{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49280","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-02-26T01:49:39.298Z","datePublished":"2025-02-26T01:56:22.662Z","dateUpdated":"2025-12-23T13:22:56.166Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-12-23T13:22:56.166Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nNFSD: prevent underflow in nfssvc_decode_writeargs()\n\nSmatch complains:\n\n\tfs/nfsd/nfsxdr.c:341 nfssvc_decode_writeargs()\n\twarn: no lower bound on 'args->len'\n\nChange the type to unsigned to prevent this issue."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfsd/nfsproc.c","fs/nfsd/xdr.h"],"versions":[{"version":"a51b5b737a0be93fae6ea2a18df03ab2359a3f4b","lessThan":"614a61e1592051cc42d3c38f899c9f7bdaad8a1d","status":"affected","versionType":"git"},{"version":"a51b5b737a0be93fae6ea2a18df03ab2359a3f4b","lessThan":"2764af8ce0bf03cc43ee4a11897cab96bde6caae","status":"affected","versionType":"git"},{"version":"a51b5b737a0be93fae6ea2a18df03ab2359a3f4b","lessThan":"413d8fefafe531a9442bb623e3fe292a38f88d65","status":"affected","versionType":"git"},{"version":"a51b5b737a0be93fae6ea2a18df03ab2359a3f4b","lessThan":"184416d4b98509fb4c3d8fc3d6dc1437896cc159","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfsd/nfsproc.c","fs/nfsd/xdr.h"],"versions":[{"version":"5.12","status":"affected"},{"version":"0","lessThan":"5.12","status":"unaffected","versionType":"semver"},{"version":"5.15.33","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.16.19","lessThanOrEqual":"5.16.*","status":"unaffected","versionType":"semver"},{"version":"5.17.2","lessThanOrEqual":"5.17.*","status":"unaffected","versionType":"semver"},{"version":"5.18","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":"5.12","versionEndExcluding":"5.15.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.16.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.17.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.18"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/614a61e1592051cc42d3c38f899c9f7bdaad8a1d"},{"url":"https://git.kernel.org/stable/c/2764af8ce0bf03cc43ee4a11897cab96bde6caae"},{"url":"https://git.kernel.org/stable/c/413d8fefafe531a9442bb623e3fe292a38f88d65"},{"url":"https://git.kernel.org/stable/c/184416d4b98509fb4c3d8fc3d6dc1437896cc159"}],"title":"NFSD: prevent underflow in nfssvc_decode_writeargs()","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-2022-49280","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:45:22.983376Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-191","description":"CWE-191 Integer Underflow (Wrap or Wraparound)"}]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-10-01T19:47:00.943Z"}}]}}