248 lines
12 KiB
JSON
248 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-2026-98856",
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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": "2026-09-25T10:25:14.376Z",
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"datePublished": "2026-10-18T15:51:12.359Z",
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"dateUpdated": "2026-10-30T12:40:17.396Z"
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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": "2026-10-30T12:40:17.396Z"
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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\nkprobes: Skip disarmed probes when checking optkprobe overlap\n\nOn x86, an optkprobe at A replaces five bytes with a jump. If a disabled\nprobe B is at A+2, get_optimized_kprobe() stops at B when arming a new\nprobe C at A+4. It leaves A optimized:\n\n A A+1 A+2 A+3 A+4\n A's jump | e9 | d0 | d1 | d2 | d3 |\n after C | e9 | d0 | d1 | d2 | cc |\n\nThe INT3 for C overwrites the last byte of A's jump displacement, so\nexecution can jump to the wrong address. B can have prepared optinsns\nwhile disarmed, but has no jump to unoptimize.\n\nContinue past disarmed and unprepared probes to find the active optimized\nprobe before arming a probe in its jump."
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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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"kernel/kprobes.c"
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],
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"versions": [
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{
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"version": "afd66255b9a48f5851326ddae50e2203fbf71dc9",
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"lessThan": "e29e819cacfb4e3cd56d41eb704ab4718d6d2915",
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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": "afd66255b9a48f5851326ddae50e2203fbf71dc9",
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"lessThan": "ab9ed9faa67bf67383ff7e1479655e232a843c2b",
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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": "afd66255b9a48f5851326ddae50e2203fbf71dc9",
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"lessThan": "3b0f604df9e2b9a456f1ae5266a439998c4c8826",
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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": "afd66255b9a48f5851326ddae50e2203fbf71dc9",
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"lessThan": "3f968dcdf018861129f97910fa7bd680d939a9b0",
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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": "afd66255b9a48f5851326ddae50e2203fbf71dc9",
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"lessThan": "985a568171e7bdba6dcde3420d0e5bb515813457",
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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": "afd66255b9a48f5851326ddae50e2203fbf71dc9",
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"lessThan": "6745fa65f4115045431c0c15610e876855a04625",
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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": "afd66255b9a48f5851326ddae50e2203fbf71dc9",
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"lessThan": "526fac219e8b7d3369b43026bd0a1df51b811cd4",
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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": "afd66255b9a48f5851326ddae50e2203fbf71dc9",
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"lessThan": "7a39c732a22ec4a369af9e19fbe3d666ec83eec4",
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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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"kernel/kprobes.c"
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],
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"versions": [
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{
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"version": "2.6.34",
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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": "2.6.34",
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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": "2.6.34",
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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": "2.6.34",
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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": "2.6.34",
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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": "2.6.34",
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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": "2.6.34",
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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": "2.6.34",
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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": "2.6.34",
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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": "2.6.34",
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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/e29e819cacfb4e3cd56d41eb704ab4718d6d2915"
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},
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{
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"url": "https://git.kernel.org/stable/c/ab9ed9faa67bf67383ff7e1479655e232a843c2b"
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},
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{
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"url": "https://git.kernel.org/stable/c/3b0f604df9e2b9a456f1ae5266a439998c4c8826"
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},
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{
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"url": "https://git.kernel.org/stable/c/3f968dcdf018861129f97910fa7bd680d939a9b0"
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},
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{
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"url": "https://git.kernel.org/stable/c/985a568171e7bdba6dcde3420d0e5bb515813457"
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},
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{
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"url": "https://git.kernel.org/stable/c/6745fa65f4115045431c0c15610e876855a04625"
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},
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{
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"url": "https://git.kernel.org/stable/c/526fac219e8b7d3369b43026bd0a1df51b811cd4"
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},
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{
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"url": "https://git.kernel.org/stable/c/7a39c732a22ec4a369af9e19fbe3d666ec83eec4"
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}
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],
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"title": "kprobes: Skip disarmed probes when checking optkprobe overlap",
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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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} |