{"id":"CVE-2024-47737","state":"PUBLISHED","title":"nfsd: call cache_put if xdr_reserve_space returns NULL","description":"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>","publishedAt":"2024-10-21T12:14:07.168Z","updatedAt":"2026-10-15T00:52:59.109Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ddd1ea56367202f6c99135cd59de7a97af4c4ffd","status":"affected","lessThan":"3e8081ebff12bec1347deaceb6bce0765cce54df","versionType":"git"},{"version":"ddd1ea56367202f6c99135cd59de7a97af4c4ffd","status":"affected","lessThan":"c6b16e700cf4d959af524bd9d3978407ff7ce462","versionType":"git"},{"version":"ddd1ea56367202f6c99135cd59de7a97af4c4ffd","status":"affected","lessThan":"9f03f0016ff797932551881c7e06ae50e9c39134","versionType":"git"},{"version":"ddd1ea56367202f6c99135cd59de7a97af4c4ffd","status":"affected","lessThan":"9803ab882d565a8fb2dde5999d98866d1c499dfd","versionType":"git"},{"version":"ddd1ea56367202f6c99135cd59de7a97af4c4ffd","status":"affected","lessThan":"81821617312988096f5deccf0f7da6f888e98056","versionType":"git"},{"version":"ddd1ea56367202f6c99135cd59de7a97af4c4ffd","status":"affected","lessThan":"a1afbbb5276f943ad7173d0b4c626b8c75a260da","versionType":"git"},{"version":"ddd1ea56367202f6c99135cd59de7a97af4c4ffd","status":"affected","lessThan":"e32ee6a61041925d1a05c14d10352dcfce9ef029","versionType":"git"},{"version":"ddd1ea56367202f6c99135cd59de7a97af4c4ffd","status":"affected","lessThan":"8d0765f86135e27f0bb5c950c136495719b4c834","versionType":"git"},{"version":"ddd1ea56367202f6c99135cd59de7a97af4c4ffd","status":"affected","lessThan":"d078cbf5c38de83bc31f83c47dcd2184c04a50c7","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfsd/nfs4idmap.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.16","versionType":"semver"},{"version":"4.19.323","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.285","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.227","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.168","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.113","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.54","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.13","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11.2","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfsd/nfs4idmap.c"]}],"references":["https://git.kernel.org/stable/c/3e8081ebff12bec1347deaceb6bce0765cce54df","https://git.kernel.org/stable/c/c6b16e700cf4d959af524bd9d3978407ff7ce462","https://git.kernel.org/stable/c/9f03f0016ff797932551881c7e06ae50e9c39134","https://git.kernel.org/stable/c/9803ab882d565a8fb2dde5999d98866d1c499dfd","https://git.kernel.org/stable/c/81821617312988096f5deccf0f7da6f888e98056","https://git.kernel.org/stable/c/a1afbbb5276f943ad7173d0b4c626b8c75a260da","https://git.kernel.org/stable/c/e32ee6a61041925d1a05c14d10352dcfce9ef029","https://git.kernel.org/stable/c/8d0765f86135e27f0bb5c950c136495719b4c834","https://git.kernel.org/stable/c/d078cbf5c38de83bc31f83c47dcd2184c04a50c7","https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html","https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","https://cert-portal.siemens.com/productcert/html/ssa-398330.html","https://cert-portal.siemens.com/productcert/html/ssa-265688.html","https://cert-portal.siemens.com/productcert/html/ssa-355557.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:56.516Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/47xxx/CVE-2024-47737.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-47737","state":"PUBLISHED","datePublished":"2024-10-21T12:14:07.168Z","dateUpdated":"2026-10-15T00:52:59.109Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-09-30T16:00:12.959Z"},"containers":{"cna":{"title":"nfsd: call cache_put if xdr_reserve_space returns NULL","descriptions":[{"lang":"en","value":"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. 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