259 lines
12 KiB
JSON
259 lines
12 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-2021-46956",
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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": "2024-02-27T18:42:55.937Z",
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"datePublished": "2024-02-27T18:46:58.101Z",
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"dateUpdated": "2026-05-11T13:45:10.978Z"
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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": "2026-05-11T13:45:10.978Z"
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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\nvirtiofs: fix memory leak in virtio_fs_probe()\n\nWhen accidentally passing twice the same tag to qemu, kmemleak ended up\nreporting a memory leak in virtiofs. Also, looking at the log I saw the\nfollowing error (that's when I realised the duplicated tag):\n\n virtiofs: probe of virtio5 failed with error -17\n\nHere's the kmemleak log for reference:\n\nunreferenced object 0xffff888103d47800 (size 1024):\n comm \"systemd-udevd\", pid 118, jiffies 4294893780 (age 18.340s)\n hex dump (first 32 bytes):\n 00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00 .....N..........\n ff ff ff ff ff ff ff ff 80 90 02 a0 ff ff ff ff ................\n backtrace:\n [<000000000ebb87c1>] virtio_fs_probe+0x171/0x7ae [virtiofs]\n [<00000000f8aca419>] virtio_dev_probe+0x15f/0x210\n [<000000004d6baf3c>] really_probe+0xea/0x430\n [<00000000a6ceeac8>] device_driver_attach+0xa8/0xb0\n [<00000000196f47a7>] __driver_attach+0x98/0x140\n [<000000000b20601d>] bus_for_each_dev+0x7b/0xc0\n [<00000000399c7b7f>] bus_add_driver+0x11b/0x1f0\n [<0000000032b09ba7>] driver_register+0x8f/0xe0\n [<00000000cdd55998>] 0xffffffffa002c013\n [<000000000ea196a2>] do_one_initcall+0x64/0x2e0\n [<0000000008f727ce>] do_init_module+0x5c/0x260\n [<000000003cdedab6>] __do_sys_finit_module+0xb5/0x120\n [<00000000ad2f48c6>] do_syscall_64+0x33/0x40\n [<00000000809526b5>] entry_SYSCALL_64_after_hwframe+0x44/0xae"
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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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"fs/fuse/virtio_fs.c"
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],
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"versions": [
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{
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"version": "a62a8ef9d97da23762a588592c8b8eb50a8deb6a",
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"lessThan": "310efc95c72c13faf855c692d19cd4d054d827c8",
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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": "a62a8ef9d97da23762a588592c8b8eb50a8deb6a",
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"lessThan": "d19555ff225d0896a33246a49279e6d578095f15",
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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": "a62a8ef9d97da23762a588592c8b8eb50a8deb6a",
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"lessThan": "9b9d60c0eb8ada99cce2a9ab5c15dffc523b01ae",
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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": "a62a8ef9d97da23762a588592c8b8eb50a8deb6a",
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"lessThan": "5116e79fc6e6725b8acdad8b7e928a83ab7b47e6",
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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": "a62a8ef9d97da23762a588592c8b8eb50a8deb6a",
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"lessThan": "c79c5e0178922a9e092ec8fed026750f39dcaef4",
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"status": "affected",
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"versionType": "git"
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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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"fs/fuse/virtio_fs.c"
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],
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"versions": [
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{
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"version": "5.4",
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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": "5.4",
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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": "5.4.118",
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"lessThanOrEqual": "5.4.*",
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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": "5.10.36",
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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": "5.11.20",
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"lessThanOrEqual": "5.11.*",
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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": "5.12.3",
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"lessThanOrEqual": "5.12.*",
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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": "5.13",
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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": "5.4",
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"versionEndExcluding": "5.4.118"
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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": "5.4",
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"versionEndExcluding": "5.10.36"
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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": "5.4",
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"versionEndExcluding": "5.11.20"
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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": "5.4",
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"versionEndExcluding": "5.12.3"
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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": "5.4",
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"versionEndExcluding": "5.13"
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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/310efc95c72c13faf855c692d19cd4d054d827c8"
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},
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{
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"url": "https://git.kernel.org/stable/c/d19555ff225d0896a33246a49279e6d578095f15"
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},
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{
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"url": "https://git.kernel.org/stable/c/9b9d60c0eb8ada99cce2a9ab5c15dffc523b01ae"
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},
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{
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"url": "https://git.kernel.org/stable/c/5116e79fc6e6725b8acdad8b7e928a83ab7b47e6"
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},
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{
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"url": "https://git.kernel.org/stable/c/c79c5e0178922a9e092ec8fed026750f39dcaef4"
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}
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],
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"title": "virtiofs: fix memory leak in virtio_fs_probe()",
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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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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2021-46956",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2024-02-27T19:29:39.801497Z"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2024-07-05T17:22:02.090Z"
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}
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},
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{
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2024-08-04T05:17:42.907Z"
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},
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"title": "CVE Program Container",
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/310efc95c72c13faf855c692d19cd4d054d827c8",
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"tags": [
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} |