{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-21898","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-12-29T08:45:45.783Z","datePublished":"2025-04-01T15:26:50.211Z","dateUpdated":"2026-05-11T21:08:39.481Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:08:39.481Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nftrace: Avoid potential division by zero in function_stat_show()\n\nCheck whether denominator expression x * (x - 1) * 1000 mod {2^32, 2^64}\nproduce zero and skip stddev computation in that case.\n\nFor now don't care about rec->counter * rec->counter overflow because\nrec->time * rec->time overflow will likely happen earlier."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/trace/ftrace.c"],"versions":[{"version":"f0629ee3922f10112584b1898491fecc74d98b3b","lessThan":"5b3d32f607f0478b414b16516cf27f9170cf66c8","status":"affected","versionType":"git"},{"version":"e31f7939c1c27faa5d0e3f14519eaf7c89e8a69d","lessThan":"ca381f60a3bb7cfaa618d73ca411610bd7fc3149","status":"affected","versionType":"git"},{"version":"e31f7939c1c27faa5d0e3f14519eaf7c89e8a69d","lessThan":"3d738b53ed6cddb68e68c9874520a4bf846163b5","status":"affected","versionType":"git"},{"version":"e31f7939c1c27faa5d0e3f14519eaf7c89e8a69d","lessThan":"992775227843c9376773784b8b362add44592ad7","status":"affected","versionType":"git"},{"version":"e31f7939c1c27faa5d0e3f14519eaf7c89e8a69d","lessThan":"f58a3f8e284d0bdf94164a8e61cd4e70d337a1a3","status":"affected","versionType":"git"},{"version":"e31f7939c1c27faa5d0e3f14519eaf7c89e8a69d","lessThan":"746cc474a95473591853927b3a9792a2d671155b","status":"affected","versionType":"git"},{"version":"e31f7939c1c27faa5d0e3f14519eaf7c89e8a69d","lessThan":"9cdac46fa7e854e587eb5f393fe491b6d7a9bdf6","status":"affected","versionType":"git"},{"version":"e31f7939c1c27faa5d0e3f14519eaf7c89e8a69d","lessThan":"a1a7eb89ca0b89dc1c326eeee2596f263291aca3","status":"affected","versionType":"git"},{"version":"c59e74104cfd7df3ca0b5f59f1baee9c8c28b9ef","status":"affected","versionType":"git"},{"version":"015f0fd0fcc338513f80044add27fa46cf71d217","status":"affected","versionType":"git"},{"version":"1a2985af2a20b816a5cc41a2ddc1c4109ef6b9c6","status":"affected","versionType":"git"},{"version":"7650b4b1df091815bbbbb837d308dd4154684f8a","status":"affected","versionType":"git"},{"version":"010a7e846d4beaf34384c40ff18d5de10106d9b4","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/trace/ftrace.c"],"versions":[{"version":"5.5","status":"affected"},{"version":"0","lessThan":"5.5","status":"unaffected","versionType":"semver"},{"version":"5.4.291","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.235","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.179","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.130","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.81","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.18","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.13.6","lessThanOrEqual":"6.13.*","status":"unaffected","versionType":"semver"},{"version":"6.14","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":"5.4.9","versionEndExcluding":"5.4.291"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.235"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.15.179"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.1.130"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.6.81"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.12.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.13.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16.83"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19.94"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/5b3d32f607f0478b414b16516cf27f9170cf66c8"},{"url":"https://git.kernel.org/stable/c/ca381f60a3bb7cfaa618d73ca411610bd7fc3149"},{"url":"https://git.kernel.org/stable/c/3d738b53ed6cddb68e68c9874520a4bf846163b5"},{"url":"https://git.kernel.org/stable/c/992775227843c9376773784b8b362add44592ad7"},{"url":"https://git.kernel.org/stable/c/f58a3f8e284d0bdf94164a8e61cd4e70d337a1a3"},{"url":"https://git.kernel.org/stable/c/746cc474a95473591853927b3a9792a2d671155b"},{"url":"https://git.kernel.org/stable/c/9cdac46fa7e854e587eb5f393fe491b6d7a9bdf6"},{"url":"https://git.kernel.org/stable/c/a1a7eb89ca0b89dc1c326eeee2596f263291aca3"}],"title":"ftrace: Avoid potential division by zero in function_stat_show()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-369","lang":"en","description":"CWE-369 Divide By Zero"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-10-01T17:18:13.401520Z","id":"CVE-2025-21898","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-10-01T17:18:15.822Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T19:38:44.454Z"}}]}}