{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-21918","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-12-29T08:45:45.787Z","datePublished":"2025-04-01T15:40:53.561Z","dateUpdated":"2026-05-11T21:09:03.181Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:09:03.181Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: ucsi: Fix NULL pointer access\n\nResources should be released only after all threads that utilize them\nhave been destroyed.\nThis commit ensures that resources are not released prematurely by waiting\nfor the associated workqueue to complete before deallocating them."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/typec/ucsi/ucsi.c"],"versions":[{"version":"b9aa02ca39a49740926c2c450a1505a4a0f8954a","lessThan":"7a735a8a46f6ebf898bbefd96659ca5da798bce0","status":"affected","versionType":"git"},{"version":"b9aa02ca39a49740926c2c450a1505a4a0f8954a","lessThan":"46fba7be161bb89068958138ea64ec33c0b446d4","status":"affected","versionType":"git"},{"version":"b9aa02ca39a49740926c2c450a1505a4a0f8954a","lessThan":"079a3e52f3e751bb8f5937195bdf25c5d14fdff0","status":"affected","versionType":"git"},{"version":"b9aa02ca39a49740926c2c450a1505a4a0f8954a","lessThan":"592a0327d026a122e97e8e8bb7c60cbbe7697344","status":"affected","versionType":"git"},{"version":"b9aa02ca39a49740926c2c450a1505a4a0f8954a","lessThan":"b13abcb7ddd8d38de769486db5bd917537b32ab1","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/typec/ucsi/ucsi.c"],"versions":[{"version":"5.16","status":"affected"},{"version":"0","lessThan":"5.16","status":"unaffected","versionType":"semver"},{"version":"6.1.133","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.83","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.19","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.13.7","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":"5.16","versionEndExcluding":"6.1.133"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.6.83"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.12.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.13.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.14"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/7a735a8a46f6ebf898bbefd96659ca5da798bce0"},{"url":"https://git.kernel.org/stable/c/46fba7be161bb89068958138ea64ec33c0b446d4"},{"url":"https://git.kernel.org/stable/c/079a3e52f3e751bb8f5937195bdf25c5d14fdff0"},{"url":"https://git.kernel.org/stable/c/592a0327d026a122e97e8e8bb7c60cbbe7697344"},{"url":"https://git.kernel.org/stable/c/b13abcb7ddd8d38de769486db5bd917537b32ab1"}],"title":"usb: typec: ucsi: Fix NULL pointer access","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"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":{"id":"CVE-2025-21918","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:24:04.279275Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-476","description":"CWE-476 NULL Pointer Dereference"}]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-10-01T19:26:33.991Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T19:39:09.717Z"}}]}}