{"id":"CVE-2025-39912","state":"PUBLISHED","title":"nfs/localio: restore creds before releasing pageio data","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfs/localio: restore creds before releasing pageio data\n\nOtherwise if the nfsd filecache code releases the nfsd_file\nimmediately, it can trigger the BUG_ON(cred == current->cred) in\n__put_cred() when it puts the nfsd_file->nf_file->f-cred.","publishedAt":"2025-10-01T07:44:35.513Z","updatedAt":"2026-05-11T21:38:48.660Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b9f5dd57f4a52990963eeb1f1b58d00f717ece69","status":"affected","lessThan":"57c1bb02b4fc8eec6eb01736e7fad26dffacf18c","versionType":"git"},{"version":"b9f5dd57f4a52990963eeb1f1b58d00f717ece69","status":"affected","lessThan":"c250be1d75bf80dc5ab46f0b434b746c1868a1ea","versionType":"git"},{"version":"b9f5dd57f4a52990963eeb1f1b58d00f717ece69","status":"affected","lessThan":"992203a1fba51b025c60ec0c8b0d9223343dea95","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/localio.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.12","versionType":"semver"},{"version":"6.12.48","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.16.8","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/localio.c"]}],"references":["https://git.kernel.org/stable/c/57c1bb02b4fc8eec6eb01736e7fad26dffacf18c","https://git.kernel.org/stable/c/c250be1d75bf80dc5ab46f0b434b746c1868a1ea","https://git.kernel.org/stable/c/992203a1fba51b025c60ec0c8b0d9223343dea95"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/39xxx/CVE-2025-39912.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-39912","state":"PUBLISHED","datePublished":"2025-10-01T07:44:35.513Z","dateUpdated":"2026-05-11T21:38:48.660Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:20:57.147Z"},"containers":{"cna":{"title":"nfs/localio: restore creds before releasing pageio data","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfs/localio: restore creds before releasing pageio data\n\nOtherwise if the nfsd filecache code releases the nfsd_file\nimmediately, it can trigger the BUG_ON(cred == current->cred) in\n__put_cred() when it puts the nfsd_file->nf_file->f-cred."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b9f5dd57f4a52990963eeb1f1b58d00f717ece69","status":"affected","lessThan":"57c1bb02b4fc8eec6eb01736e7fad26dffacf18c","versionType":"git"},{"version":"b9f5dd57f4a52990963eeb1f1b58d00f717ece69","status":"affected","lessThan":"c250be1d75bf80dc5ab46f0b434b746c1868a1ea","versionType":"git"},{"version":"b9f5dd57f4a52990963eeb1f1b58d00f717ece69","status":"affected","lessThan":"992203a1fba51b025c60ec0c8b0d9223343dea95","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/localio.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.12","versionType":"semver"},{"version":"6.12.48","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.16.8","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/localio.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/57c1bb02b4fc8eec6eb01736e7fad26dffacf18c"},{"url":"https://git.kernel.org/stable/c/c250be1d75bf80dc5ab46f0b434b746c1868a1ea"},{"url":"https://git.kernel.org/stable/c/992203a1fba51b025c60ec0c8b0d9223343dea95"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:38:48.660Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"6.12.48"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"6.16.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"6.17"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","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-2025-39912","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-01-14T17:42:49.682127Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","description":"CWE-noinfo Not enough information"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-14T17:52:47.282Z"}}]}}}