{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23271", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:37:45.991Z", "datePublished": "2026-03-20T08:08:46.711Z", "dateUpdated": "2026-03-20T08:08:46.711Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-03-20T08:08:46.711Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf: Fix __perf_event_overflow() vs perf_remove_from_context() race\n\nMake sure that __perf_event_overflow() runs with IRQs disabled for all\npossible callchains. Specifically the software events can end up running\nit with only preemption disabled.\n\nThis opens up a race vs perf_event_exit_event() and friends that will go\nand free various things the overflow path expects to be present, like\nthe BPF program."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/events/core.c"], "versions": [{"version": "592903cdcbf606a838056bae6d03fc557806c914", "lessThan": "5c48fdc4b4623533d86e279f51531a7ba212eb87", "status": "affected", "versionType": "git"}, {"version": "592903cdcbf606a838056bae6d03fc557806c914", "lessThan": "3f89b61dd504c5b6711de9759e053b082f9abf12", "status": "affected", "versionType": "git"}, {"version": "592903cdcbf606a838056bae6d03fc557806c914", "lessThan": "bb190628fe5f2a73ba762a9972ba16c5e895f73e", "status": "affected", "versionType": "git"}, {"version": "592903cdcbf606a838056bae6d03fc557806c914", "lessThan": "c9bc1753b3cc41d0e01fbca7f035258b5f4db0ae", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/events/core.c"], "versions": [{"version": "2.6.31", "status": "affected"}, {"version": "0", "lessThan": "2.6.31", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.77", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.17", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.7", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0-rc2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.31", "versionEndExcluding": "6.12.77"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.31", "versionEndExcluding": "6.18.17"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.31", "versionEndExcluding": "6.19.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.31", "versionEndExcluding": "7.0-rc2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5c48fdc4b4623533d86e279f51531a7ba212eb87"}, {"url": "https://git.kernel.org/stable/c/3f89b61dd504c5b6711de9759e053b082f9abf12"}, {"url": "https://git.kernel.org/stable/c/bb190628fe5f2a73ba762a9972ba16c5e895f73e"}, {"url": "https://git.kernel.org/stable/c/c9bc1753b3cc41d0e01fbca7f035258b5f4db0ae"}], "title": "perf: Fix __perf_event_overflow() vs perf_remove_from_context() race", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf: Fix __perf_event_overflow() vs perf_remove_from_context() race\n\nMake sure that __perf_event_overflow() runs with IRQs disabled for all\npossible callchains. Specifically the software events can end up running\nit with only preemption disabled.\n\nThis opens up a race vs perf_event_exit_event() and friends that will go\nand free various things the overflow path expects to be present, like\nthe BPF program."}], "id": "CVE-2026-23271", "lastModified": "2026-03-20T13:37:50.737", "metrics": {}, "published": "2026-03-20T09:16:11.773", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3f89b61dd504c5b6711de9759e053b082f9abf12"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5c48fdc4b4623533d86e279f51531a7ba212eb87"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bb190628fe5f2a73ba762a9972ba16c5e895f73e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c9bc1753b3cc41d0e01fbca7f035258b5f4db0ae"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{}