{"id":"CVE-2021-47260","state":"PUBLISHED","title":"NFS: Fix a potential NULL dereference in nfs_get_client()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nNFS: Fix a potential NULL dereference in nfs_get_client()\n\nNone of the callers are expecting NULL returns from nfs_get_client() so\nthis code will lead to an Oops.  It's better to return an error\npointer.  I expect that this is dead code so hopefully no one is\naffected.","publishedAt":"2024-05-21T14:19:53.375Z","updatedAt":"2026-05-11T13:51:04.046Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"31434f496abb9f3410b10f541462fe58613dd3ad","status":"affected","lessThan":"fab8bfdfb4aac9e4e8363666333adfdf21e89106","versionType":"git"},{"version":"31434f496abb9f3410b10f541462fe58613dd3ad","status":"affected","lessThan":"a979e601000982a3ca693171a6d4dffc47f8ad00","versionType":"git"},{"version":"31434f496abb9f3410b10f541462fe58613dd3ad","status":"affected","lessThan":"634f17ff1d59905eb3b4bbbc00805961d08beaee","versionType":"git"},{"version":"31434f496abb9f3410b10f541462fe58613dd3ad","status":"affected","lessThan":"4b380a7d84ef2ce3f4f5bec5d8706ed937ac6502","versionType":"git"},{"version":"31434f496abb9f3410b10f541462fe58613dd3ad","status":"affected","lessThan":"0057ecef9f324007c0ba5fcca4ddd131178ce78b","versionType":"git"},{"version":"31434f496abb9f3410b10f541462fe58613dd3ad","status":"affected","lessThan":"279ad78a00f8b9c5ff24171a59297187a3bd44b7","versionType":"git"},{"version":"31434f496abb9f3410b10f541462fe58613dd3ad","status":"affected","lessThan":"58ddf61f10b8f9b7b1341644bfee2f1c6508d4e1","versionType":"git"},{"version":"31434f496abb9f3410b10f541462fe58613dd3ad","status":"affected","lessThan":"09226e8303beeec10f2ff844d2e46d1371dc58e0","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/client.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.17","versionType":"semver"},{"version":"4.4.273","status":"unaffected","lessThanOrEqual":"4.4.*","versionType":"semver"},{"version":"4.9.273","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.237","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.195","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.126","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.44","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.12.11","status":"unaffected","lessThanOrEqual":"5.12.*","versionType":"semver"},{"version":"5.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/client.c"]}],"references":["https://git.kernel.org/stable/c/fab8bfdfb4aac9e4e8363666333adfdf21e89106","https://git.kernel.org/stable/c/a979e601000982a3ca693171a6d4dffc47f8ad00","https://git.kernel.org/stable/c/634f17ff1d59905eb3b4bbbc00805961d08beaee","https://git.kernel.org/stable/c/4b380a7d84ef2ce3f4f5bec5d8706ed937ac6502","https://git.kernel.org/stable/c/0057ecef9f324007c0ba5fcca4ddd131178ce78b","https://git.kernel.org/stable/c/279ad78a00f8b9c5ff24171a59297187a3bd44b7","https://git.kernel.org/stable/c/58ddf61f10b8f9b7b1341644bfee2f1c6508d4e1","https://git.kernel.org/stable/c/09226e8303beeec10f2ff844d2e46d1371dc58e0"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:19.404Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/47xxx/CVE-2021-47260.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-47260","state":"PUBLISHED","datePublished":"2024-05-21T14:19:53.375Z","dateUpdated":"2026-05-11T13:51:04.046Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-05-21T13:27:52.126Z"},"containers":{"cna":{"title":"NFS: Fix a potential NULL dereference in nfs_get_client()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nNFS: Fix a potential NULL dereference in nfs_get_client()\n\nNone of the callers are expecting NULL returns from nfs_get_client() so\nthis code will lead to an Oops.  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