{"id":"CVE-2022-49316","state":"PUBLISHED","title":"NFSv4: Don't hold the layoutget locks across multiple RPC calls","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nNFSv4: Don't hold the layoutget locks across multiple RPC calls\n\nWhen doing layoutget as part of the open() compound, we have to be\ncareful to release the layout locks before we can call any further RPC\ncalls, such as setattr(). The reason is that those calls could trigger\na recall, which could deadlock.","publishedAt":"2025-02-26T02:10:43.569Z","updatedAt":"2026-05-11T18:57:20.248Z","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":"56f487f8c8fc5d6e582b79a86fc132d050129e15","status":"affected","lessThan":"6b3fc1496e7227cd6a39a80bbfb7588ef7c7a010","versionType":"git"},{"version":"56f487f8c8fc5d6e582b79a86fc132d050129e15","status":"affected","lessThan":"a2b3be930e79cc5d9d829f158e31172b2043f0cd","versionType":"git"},{"version":"56f487f8c8fc5d6e582b79a86fc132d050129e15","status":"affected","lessThan":"0ee5b9644f06b4d3cdcd9544f43f63312e425a4c","versionType":"git"},{"version":"56f487f8c8fc5d6e582b79a86fc132d050129e15","status":"affected","lessThan":"d4c2a041ed3ba114502d5ed6ace5b1a48d637a8e","versionType":"git"},{"version":"56f487f8c8fc5d6e582b79a86fc132d050129e15","status":"affected","lessThan":"08d7a26d115cc7892668baa9750f64bd8baca29b","versionType":"git"},{"version":"56f487f8c8fc5d6e582b79a86fc132d050129e15","status":"affected","lessThan":"ea759ae0a9ae5acee677d722129710ac89cc59c1","versionType":"git"},{"version":"56f487f8c8fc5d6e582b79a86fc132d050129e15","status":"affected","lessThan":"6949493884fe88500de4af182588e071cf1544ee","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/nfs4proc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.18","versionType":"semver"},{"version":"4.19.247","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.198","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.122","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.47","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.15","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.4","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/nfs4proc.c"]}],"references":["https://git.kernel.org/stable/c/6b3fc1496e7227cd6a39a80bbfb7588ef7c7a010","https://git.kernel.org/stable/c/a2b3be930e79cc5d9d829f158e31172b2043f0cd","https://git.kernel.org/stable/c/0ee5b9644f06b4d3cdcd9544f43f63312e425a4c","https://git.kernel.org/stable/c/d4c2a041ed3ba114502d5ed6ace5b1a48d637a8e","https://git.kernel.org/stable/c/08d7a26d115cc7892668baa9750f64bd8baca29b","https://git.kernel.org/stable/c/ea759ae0a9ae5acee677d722129710ac89cc59c1","https://git.kernel.org/stable/c/6949493884fe88500de4af182588e071cf1544ee"],"weaknesses":["CWE-667"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49316.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49316","state":"PUBLISHED","datePublished":"2025-02-26T02:10:43.569Z","dateUpdated":"2026-05-11T18:57:20.248Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:08:31.537Z"},"containers":{"cna":{"title":"NFSv4: Don't hold the layoutget locks across multiple RPC calls","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nNFSv4: Don't hold the layoutget locks across multiple RPC calls\n\nWhen doing layoutget as part of the open() compound, we have to be\ncareful to release the layout locks before we can call any further RPC\ncalls, such as setattr(). The reason is that those calls could trigger\na recall, which could deadlock."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"56f487f8c8fc5d6e582b79a86fc132d050129e15","status":"affected","lessThan":"6b3fc1496e7227cd6a39a80bbfb7588ef7c7a010","versionType":"git"},{"version":"56f487f8c8fc5d6e582b79a86fc132d050129e15","status":"affected","lessThan":"a2b3be930e79cc5d9d829f158e31172b2043f0cd","versionType":"git"},{"version":"56f487f8c8fc5d6e582b79a86fc132d050129e15","status":"affected","lessThan":"0ee5b9644f06b4d3cdcd9544f43f63312e425a4c","versionType":"git"},{"version":"56f487f8c8fc5d6e582b79a86fc132d050129e15","status":"affected","lessThan":"d4c2a041ed3ba114502d5ed6ace5b1a48d637a8e","versionType":"git"},{"version":"56f487f8c8fc5d6e582b79a86fc132d050129e15","status":"affected","lessThan":"08d7a26d115cc7892668baa9750f64bd8baca29b","versionType":"git"},{"version":"56f487f8c8fc5d6e582b79a86fc132d050129e15","status":"affected","lessThan":"ea759ae0a9ae5acee677d722129710ac89cc59c1","versionType":"git"},{"version":"56f487f8c8fc5d6e582b79a86fc132d050129e15","status":"affected","lessThan":"6949493884fe88500de4af182588e071cf1544ee","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/nfs4proc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.18","versionType":"semver"},{"version":"4.19.247","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.198","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.122","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.47","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.15","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.4","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/nfs4proc.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/6b3fc1496e7227cd6a39a80bbfb7588ef7c7a010"},{"url":"https://git.kernel.org/stable/c/a2b3be930e79cc5d9d829f158e31172b2043f0cd"},{"url":"https://git.kernel.org/stable/c/0ee5b9644f06b4d3cdcd9544f43f63312e425a4c"},{"url":"https://git.kernel.org/stable/c/d4c2a041ed3ba114502d5ed6ace5b1a48d637a8e"},{"url":"https://git.kernel.org/stable/c/08d7a26d115cc7892668baa9750f64bd8baca29b"},{"url":"https://git.kernel.org/stable/c/ea759ae0a9ae5acee677d722129710ac89cc59c1"},{"url":"https://git.kernel.org/stable/c/6949493884fe88500de4af182588e071cf1544ee"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:57:20.248Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"4.19.247"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"5.4.198"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"5.10.122"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"5.15.47"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"5.17.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"5.18.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"5.19"}]}]}],"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-2022-49316","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:43:59.003502Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-667","lang":"en","type":"CWE","description":"CWE-667 Improper Locking"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:46:57.250Z"}}]}}}