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the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: call cache_put if xdr_reserve_space returns NULL\n\nIf not enough buffer space available, but idmap_lookup has triggered\nlookup_fn which calls cache_get and returns successfully. Then we\nmissed to call cache_put here which pairs with cache_get.\n\nReviwed-by: Jeff Layton <jlayton@kernel.org>"}],"providerMetadata":{"dateUpdated":"2026-05-11T20:39:46.764Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/3e8081ebff12bec1347deaceb6bce0765cce54df"},{"url":"https://git.kernel.org/stable/c/c6b16e700cf4d959af524bd9d3978407ff7ce462"},{"url":"https://git.kernel.org/stable/c/9f03f0016ff797932551881c7e06ae50e9c39134"},{"url":"https://git.kernel.org/stable/c/9803ab882d565a8fb2dde5999d98866d1c499dfd"},{"url":"https://git.kernel.org/stable/c/81821617312988096f5deccf0f7da6f888e98056"},{"url":"https://git.kernel.org/stable/c/a1afbbb5276f943ad7173d0b4c626b8c75a260da"},{"url":"https://git.kernel.org/stable/c/e32ee6a61041925d1a05c14d10352dcfce9ef029"},{"url":"https://git.kernel.org/stable/c/8d0765f86135e27f0bb5c950c136495719b4c834"},{"url":"https://git.kernel.org/stable/c/d078cbf5c38de83bc31f83c47dcd2184c04a50c7"}],"title":"nfsd: call cache_put if xdr_reserve_space returns NULL","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2024-47737","datePublished":"2024-10-21T12:14:07.168Z","dateReserved":"2024-09-30T16:00:12.959Z","dateUpdated":"2026-05-12T11:58:49.610Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2024-10-21 13:15:03","lastModifiedDate":"2026-05-12 12:17:16","problem_types":["CWE-476"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"5.10.227","matchCriteriaId":"C0D97D0B-F854-4066-B9AF-B7EFA41FA724"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.168","matchCriteriaId":"4D51C05D-455B-4D8D-89E7-A58E140B864C"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.113","matchCriteriaId":"D01BD22E-ACD1-4618-9D01-6116570BE1EE"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.54","matchCriteriaId":"D448821D-C085-4CAF-88FA-2DDE7BE21976"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.10.13","matchCriteriaId":"CE94BB8D-B0AB-4563-9ED7-A12122B56EBE"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.11.2","matchCriteriaId":"AB755D26-97F4-43B6-8604-CD076811E181"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2024","CveId":"47737","Ordinal":"1","Title":"nfsd: call cache_put if xdr_reserve_space returns NULL","CVE":"CVE-2024-47737","Year":"2024"},"notes":[{"CveYear":"2024","CveId":"47737","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: call cache_put if xdr_reserve_space returns NULL\n\nIf not enough buffer space available, but idmap_lookup has triggered\nlookup_fn which calls cache_get and returns successfully. Then we\nmissed to call cache_put here which pairs with cache_get.\n\nReviwed-by: Jeff Layton <jlayton@kernel.org>","Type":"Description","Title":"nfsd: call cache_put if xdr_reserve_space returns NULL"}]}}}