266 lines
13 KiB
JSON
266 lines
13 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-2026-98752",
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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": "2026-10-18T15:47:36.877Z",
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"dateUpdated": "2026-10-30T12:39:22.635Z"
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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": "2026-10-30T12:39:22.635Z"
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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: port: fix tty_port_tty_vhangup() race\n\nDrivers rely on tty_port_tty_vhangup() to synchronously hang up their\nports before tearing down resources as part of deregistration (e.g. on\nphysical disconnect).\n\nIf tty_port_tty_vhangup() races with another hangup it may however\nreturn before the port has been shut down. This is in turn can lead to\nuse-after-free and NULL-pointer dereferences in racing ioctls (including\na synchronous hangup) and in processing of racing asynchronous hangups\n(carrier loss).\n\nAdd the missing serialisation to tty_port_tty_vhangup() and\ntty_port_hangup() so that the former does not return until the port has\nbeen shut down also when there is a racing hangup.\n\nNote that serial core does not use tty_port_hangup(), but it already\nholds the port mutex when clearing port->tty and shutting down the port\nin uart_hangup()."
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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/tty_port.c",
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"include/linux/tty_port.h"
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],
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"versions": [
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{
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"version": "7ca0ff9ab3218ec443a7a9ad247e4650373ed41e",
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"lessThan": "a78910f6d78cc1415cbc9b4fb621c3f4f6945be2",
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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": "7ca0ff9ab3218ec443a7a9ad247e4650373ed41e",
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"lessThan": "2e16ae1464a4f435425c6f6ff1e293db850a624c",
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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": "7ca0ff9ab3218ec443a7a9ad247e4650373ed41e",
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"lessThan": "a776d603d1e1bba2837295817b0a39394707b10d",
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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": "7ca0ff9ab3218ec443a7a9ad247e4650373ed41e",
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"lessThan": "ce220b4cdf62f73db0c1940f968eb33b9899fdd0",
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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": "7ca0ff9ab3218ec443a7a9ad247e4650373ed41e",
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"lessThan": "6d1a984afc3ca477dab3e51ec806671d443ad524",
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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": "7ca0ff9ab3218ec443a7a9ad247e4650373ed41e",
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"lessThan": "6b7be3b9b857947e9c1338d4919d4ebd3b75e907",
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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": "7ca0ff9ab3218ec443a7a9ad247e4650373ed41e",
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"lessThan": "017b18addbe8dcace1a569a00d40ed1ba1e03f4c",
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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": "7ca0ff9ab3218ec443a7a9ad247e4650373ed41e",
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"lessThan": "b48820de8c1a596c5b99775524dfce73c6576c5d",
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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": "4260dc792fabfd20c8644fa9414b2ae48372365f",
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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": "2.6.31.2",
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"lessThan": "2.6.32",
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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/tty/tty_port.c",
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"include/linux/tty_port.h"
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],
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"versions": [
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{
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"version": "2.6.32",
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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": "2.6.32",
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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": "2.6.32",
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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": "2.6.32",
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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": "2.6.32",
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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": "2.6.32",
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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": "2.6.32",
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"versionEndExcluding": "6.12.113"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "6.18.56"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "7.2.10"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "7.3"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.31.2"
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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/a78910f6d78cc1415cbc9b4fb621c3f4f6945be2"
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},
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{
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"url": "https://git.kernel.org/stable/c/2e16ae1464a4f435425c6f6ff1e293db850a624c"
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},
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{
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"url": "https://git.kernel.org/stable/c/a776d603d1e1bba2837295817b0a39394707b10d"
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},
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{
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"url": "https://git.kernel.org/stable/c/ce220b4cdf62f73db0c1940f968eb33b9899fdd0"
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},
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{
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"url": "https://git.kernel.org/stable/c/6d1a984afc3ca477dab3e51ec806671d443ad524"
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},
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{
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"url": "https://git.kernel.org/stable/c/6b7be3b9b857947e9c1338d4919d4ebd3b75e907"
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},
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{
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"url": "https://git.kernel.org/stable/c/017b18addbe8dcace1a569a00d40ed1ba1e03f4c"
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},
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{
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"url": "https://git.kernel.org/stable/c/b48820de8c1a596c5b99775524dfce73c6576c5d"
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}
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],
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"title": "tty: port: fix tty_port_tty_vhangup() race",
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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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} |