248 lines
11 KiB
JSON
248 lines
11 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-2026-98754",
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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": "2026-09-25T10:25:14.368Z",
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"datePublished": "2026-10-18T15:47:40.255Z",
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"dateUpdated": "2026-10-30T12:39:24.788Z"
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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": "2026-10-30T12:39:24.788Z"
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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\ntty: vcc: hold port lock when clearing tty pointer in vcc_cleanup\n\nvcc_cleanup() sets port->tty to NULL without holding port->lock, racing\nwith vcc_event() LDC callbacks that read port->tty under port->lock and\nthen use tty->port. This can cause a use-after-free when the callback\ndereferences tty->port after cleanup has already destroyed and freed 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/tty/vcc.c"
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],
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"versions": [
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{
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"version": "8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb",
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"lessThan": "b0ad9d025c3229a628a82fbaa7578891075a950d",
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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": "8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb",
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"lessThan": "b193617080b7036d143674089bcfb7d2ba3db588",
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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": "8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb",
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"lessThan": "afcbb821c571f39b273127a7c7d26cb2cef27d2f",
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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": "8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb",
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"lessThan": "57753441ef84bee3bf0e9ee1e3778d119c44aa32",
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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": "8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb",
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"lessThan": "88f6ecb058801e9ce7b9aabc966530118d7cd53c",
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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": "8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb",
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"lessThan": "821050631750e982007c0856c119346edba51cae",
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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": "8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb",
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"lessThan": "1a9fb9eaeb69b1f6c00bed09289a33d9fe1e7ae4",
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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": "8f03f948ba356b7cb254b45a4e78b5b3d86fd3bb",
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"lessThan": "03b49c991abb8d021ca6fe51cd173447236b0552",
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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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"drivers/tty/vcc.c"
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],
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"versions": [
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{
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"version": "4.14",
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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": "4.14",
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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": "5.10.273",
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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": "5.15.224",
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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": "6.1.191",
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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": "6.6.160",
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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": "6.12.113",
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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": "6.18.56",
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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": "7.2.10",
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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": "4.14",
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"versionEndExcluding": "5.10.273"
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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",
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"versionEndExcluding": "5.15.224"
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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",
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"versionEndExcluding": "6.1.191"
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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",
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"versionEndExcluding": "6.6.160"
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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",
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"versionEndExcluding": "6.12.113"
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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",
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"versionEndExcluding": "6.18.56"
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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",
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"versionEndExcluding": "7.2.10"
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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",
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"versionEndExcluding": "7.3"
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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/b0ad9d025c3229a628a82fbaa7578891075a950d"
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},
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{
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"url": "https://git.kernel.org/stable/c/b193617080b7036d143674089bcfb7d2ba3db588"
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},
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{
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"url": "https://git.kernel.org/stable/c/afcbb821c571f39b273127a7c7d26cb2cef27d2f"
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},
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{
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"url": "https://git.kernel.org/stable/c/57753441ef84bee3bf0e9ee1e3778d119c44aa32"
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},
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{
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"url": "https://git.kernel.org/stable/c/88f6ecb058801e9ce7b9aabc966530118d7cd53c"
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},
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{
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"url": "https://git.kernel.org/stable/c/821050631750e982007c0856c119346edba51cae"
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},
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{
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"url": "https://git.kernel.org/stable/c/1a9fb9eaeb69b1f6c00bed09289a33d9fe1e7ae4"
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},
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{
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"url": "https://git.kernel.org/stable/c/03b49c991abb8d021ca6fe51cd173447236b0552"
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}
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],
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"title": "tty: vcc: hold port lock when clearing tty pointer in vcc_cleanup",
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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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} |