{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38352","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T04:51:24.006Z","datePublished":"2025-07-22T08:04:25.277Z","dateUpdated":"2026-05-11T21:26:19.732Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:26:19.732Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nposix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del()\n\nIf an exiting non-autoreaping task has already passed exit_notify() and\ncalls handle_posix_cpu_timers() from IRQ, it can be reaped by its parent\nor debugger right after unlock_task_sighand().\n\nIf a concurrent posix_cpu_timer_del() runs at that moment, it won't be\nable to detect timer->it.cpu.firing != 0: cpu_timer_task_rcu() and/or\nlock_task_sighand() will fail.\n\nAdd the tsk->exit_state check into run_posix_cpu_timers() to fix this.\n\nThis fix is not needed if CONFIG_POSIX_CPU_TIMERS_TASK_WORK=y, because\nexit_task_work() is called before exit_notify(). But the check still\nmakes sense, task_work_add(&tsk->posix_cputimers_work.work) will fail\nanyway in this case."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/time/posix-cpu-timers.c"],"versions":[{"version":"0bdd2ed4138ec04e09b4f8165981efc99e439f55","lessThan":"78a4b8e3795b31dae58762bc091bb0f4f74a2200","status":"affected","versionType":"git"},{"version":"0bdd2ed4138ec04e09b4f8165981efc99e439f55","lessThan":"c076635b3a42771ace7d276de8dc3bc76ee2ba1b","status":"affected","versionType":"git"},{"version":"0bdd2ed4138ec04e09b4f8165981efc99e439f55","lessThan":"2f3daa04a9328220de46f0d5c919a6c0073a9f0b","status":"affected","versionType":"git"},{"version":"0bdd2ed4138ec04e09b4f8165981efc99e439f55","lessThan":"764a7a5dfda23f69919441f2eac2a83e7db6e5bb","status":"affected","versionType":"git"},{"version":"0bdd2ed4138ec04e09b4f8165981efc99e439f55","lessThan":"2c72fe18cc5f9f1750f5bc148cf1c94c29e106ff","status":"affected","versionType":"git"},{"version":"0bdd2ed4138ec04e09b4f8165981efc99e439f55","lessThan":"c29d5318708e67ac13c1b6fc1007d179fb65b4d7","status":"affected","versionType":"git"},{"version":"0bdd2ed4138ec04e09b4f8165981efc99e439f55","lessThan":"460188bc042a3f40f72d34b9f7fc6ee66b0b757b","status":"affected","versionType":"git"},{"version":"0bdd2ed4138ec04e09b4f8165981efc99e439f55","lessThan":"f90fff1e152dedf52b932240ebbd670d83330eca","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/time/posix-cpu-timers.c"],"versions":[{"version":"2.6.36","status":"affected"},{"version":"0","lessThan":"2.6.36","status":"unaffected","versionType":"semver"},{"version":"5.4.295","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.239","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.186","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.142","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.94","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.34","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.15.3","lessThanOrEqual":"6.15.*","status":"unaffected","versionType":"semver"},{"version":"6.16","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":"2.6.36","versionEndExcluding":"5.4.295"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.36","versionEndExcluding":"5.10.239"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.36","versionEndExcluding":"5.15.186"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.36","versionEndExcluding":"6.1.142"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.36","versionEndExcluding":"6.6.94"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.36","versionEndExcluding":"6.12.34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.36","versionEndExcluding":"6.15.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.36","versionEndExcluding":"6.16"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/78a4b8e3795b31dae58762bc091bb0f4f74a2200"},{"url":"https://git.kernel.org/stable/c/c076635b3a42771ace7d276de8dc3bc76ee2ba1b"},{"url":"https://git.kernel.org/stable/c/2f3daa04a9328220de46f0d5c919a6c0073a9f0b"},{"url":"https://git.kernel.org/stable/c/764a7a5dfda23f69919441f2eac2a83e7db6e5bb"},{"url":"https://git.kernel.org/stable/c/2c72fe18cc5f9f1750f5bc148cf1c94c29e106ff"},{"url":"https://git.kernel.org/stable/c/c29d5318708e67ac13c1b6fc1007d179fb65b4d7"},{"url":"https://git.kernel.org/stable/c/460188bc042a3f40f72d34b9f7fc6ee66b0b757b"},{"url":"https://git.kernel.org/stable/c/f90fff1e152dedf52b932240ebbd670d83330eca"}],"title":"posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.4,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2025-38352","role":"CISA Coordinator","options":[{"Exploitation":"active"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-09-05T03:55:31.566379Z"}}},{"other":{"type":"kev","content":{"dateAdded":"2025-09-04","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-38352"}}}],"references":[{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-38352","tags":["government-resource"]},{"url":"https://github.com/farazsth98/chronomaly","tags":["exploit"]}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-367","description":"CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition"}]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-02-26T17:50:25.787Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T17:37:02.965Z"}}]}}