{"id":"CVE-2021-47260","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-47260","generatedAt":"2026-10-27T19:05:24.859Z","title":"In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a potential NULL dereference in nfs_get_client() None of the callers are expecting NULL returns from nfs_get_client() so this code will lead to an Oops.","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.","published":"2024-05-21T15:15:15.000Z","lastModified":"2026-06-17T04:17:02.000Z","status":"Analyzed","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-476"],"affected":["linux/linux kernel"],"epss":{"score":0.00236,"percentile":0.14498,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.24%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/0057ecef9f324007c0ba5fcca4ddd131178ce78b","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/09226e8303beeec10f2ff844d2e46d1371dc58e0","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/279ad78a00f8b9c5ff24171a59297187a3bd44b7","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4b380a7d84ef2ce3f4f5bec5d8706ed937ac6502","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/58ddf61f10b8f9b7b1341644bfee2f1c6508d4e1","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/634f17ff1d59905eb3b4bbbc00805961d08beaee","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a979e601000982a3ca693171a6d4dffc47f8ad00","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fab8bfdfb4aac9e4e8363666333adfdf21e89106","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/0057ecef9f324007c0ba5fcca4ddd131178ce78b","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/09226e8303beeec10f2ff844d2e46d1371dc58e0","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/279ad78a00f8b9c5ff24171a59297187a3bd44b7","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/4b380a7d84ef2ce3f4f5bec5d8706ed937ac6502","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/58ddf61f10b8f9b7b1341644bfee2f1c6508d4e1","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/634f17ff1d59905eb3b4bbbc00805961d08beaee","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/a979e601000982a3ca693171a6d4dffc47f8ad00","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/fab8bfdfb4aac9e4e8363666333adfdf21e89106","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-47260","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}