360 lines
17 KiB
JSON
360 lines
17 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-97995",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-09-25T10:18:58.209Z",
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"datePublished": "2026-09-25T10:23:26.307Z",
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"dateUpdated": "2026-10-19T09:12:02.162Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-10-19T09:12:02.162Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio_console: do not free control-out buffers on remove\n\n__send_control_msg() publishes &portdev->cpkt as the control-out\nvirtqueue cookie. remove_vqs() walks every virtqueue and passes leftover\ncookies to free_buf(), which treats them as struct port_buffer and\nreads sgpages.\n\nIf a control message is still on c_ovq when the device is unbound,\nfree_buf() reads past the ports_device object.\n\nKASAN reported slab-out-of-bounds in free_buf():\n\n\tfree_buf\n\tremove_vqs\n\tvirtcons_remove\n\tunbind_store\n\nThe object was the ports_device allocated in virtcons_probe().\n\nDrain c_ovq without freeing. The packet lives in portdev and is released\nwith it."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/char/virtio_console.c"
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],
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"versions": [
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{
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"version": "a7a69ec0d8e4a58be7db88d33cbfa2912807bb2b",
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"lessThan": "b1f39c2a676698cc64c8e105e08b25111a112ec6",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "a7a69ec0d8e4a58be7db88d33cbfa2912807bb2b",
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"lessThan": "e03522a990cd2e0f1a736eaa349a9df9ab8541c3",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "a7a69ec0d8e4a58be7db88d33cbfa2912807bb2b",
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"lessThan": "8f6cfc3eca79b8e108d0823756101e2f4f9d811f",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "a7a69ec0d8e4a58be7db88d33cbfa2912807bb2b",
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"lessThan": "2e40c69b9c3448b9c6609cd02013da593b2e123b",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "a7a69ec0d8e4a58be7db88d33cbfa2912807bb2b",
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"lessThan": "177ee901aa2bab02e7f1f8edbb814fd5e386ed62",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "a7a69ec0d8e4a58be7db88d33cbfa2912807bb2b",
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"lessThan": "a80c33488e0bbe642ed803b13a4ac8078a70b507",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "a7a69ec0d8e4a58be7db88d33cbfa2912807bb2b",
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"lessThan": "f620c40ea6862feed84deb105568b21ec53a7830",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "a7a69ec0d8e4a58be7db88d33cbfa2912807bb2b",
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"lessThan": "894f98e73983f37354214a89a3a7fd35bf9e3072",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "f92b16b815efe8207090a9b5a767618fd89542ca",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "d2bbfac82b7942afc5d8e564d7087835280df495",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "a88e13d9a092fbb772d380944b44eb549ef131fe",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "dd807a784fd36f4136516d5858efb6473dda422c",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "47cb14192bcbba3f15b1c3561e05e084e56fdef6",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "6b1c41a0f7183702abb7a104c6c7e196ad69a6b3",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "9037306163a6ba5587e4b5ca511ac7be4fb7295b",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "3.16.60",
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"lessThan": "3.17",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "3.18.108",
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"lessThan": "3.19",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "4.1.52",
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"lessThan": "4.2",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "4.4.131",
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"lessThan": "4.5",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "4.9.98",
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"lessThan": "4.10",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "4.14.39",
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"lessThan": "4.15",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "4.16.7",
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"lessThan": "4.17",
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"status": "affected",
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"versionType": "semver"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/char/virtio_console.c"
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],
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"versions": [
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{
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"version": "4.17",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "4.17",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.10.271",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.222",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.189",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.158",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.111",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.18.53",
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"lessThanOrEqual": "6.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.2.7",
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"lessThanOrEqual": "7.2.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.3",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.17",
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"versionEndExcluding": "5.10.271"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.17",
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"versionEndExcluding": "5.15.222"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.17",
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"versionEndExcluding": "6.1.189"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.17",
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"versionEndExcluding": "6.6.158"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.17",
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"versionEndExcluding": "6.12.111"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.17",
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"versionEndExcluding": "6.18.53"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.17",
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"versionEndExcluding": "7.2.7"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.17",
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"versionEndExcluding": "7.3"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.16.60"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.18.108"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.1.52"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.4.131"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.9.98"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.14.39"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.16.7"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/b1f39c2a676698cc64c8e105e08b25111a112ec6"
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},
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{
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"url": "https://git.kernel.org/stable/c/e03522a990cd2e0f1a736eaa349a9df9ab8541c3"
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},
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{
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"url": "https://git.kernel.org/stable/c/8f6cfc3eca79b8e108d0823756101e2f4f9d811f"
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},
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{
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"url": "https://git.kernel.org/stable/c/2e40c69b9c3448b9c6609cd02013da593b2e123b"
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},
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{
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"url": "https://git.kernel.org/stable/c/177ee901aa2bab02e7f1f8edbb814fd5e386ed62"
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},
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{
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"url": "https://git.kernel.org/stable/c/a80c33488e0bbe642ed803b13a4ac8078a70b507"
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},
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{
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"url": "https://git.kernel.org/stable/c/f620c40ea6862feed84deb105568b21ec53a7830"
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},
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{
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"url": "https://git.kernel.org/stable/c/894f98e73983f37354214a89a3a7fd35bf9e3072"
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}
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],
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"title": "virtio_console: do not free control-out buffers on remove",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |