{"id":"CVE-2026-74730","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nNFS: Pin the 'struct nfs_server' during a FREE_STATEID call\n\nDan Aloni reports that he was able to hit a use-after-free bug if a\nFREE_STATEID operation gets delayed for…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nNFS: Pin the 'struct nfs_server' during a FREE_STATEID call\n\nDan Aloni reports that he was able to hit a use-after-free bug if a\nFREE_STATEID operation gets delayed for…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-911"],"vendor":"Linux","product":"Linux","affected":["Linux >= 7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009 < ed2f92ce2fc48463c41e0e540b9a3454889e8af8","Linux >= 7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009 < d858ab09e787106432d4d9830bad9dfedf02f890","Linux >= 7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009 < af62f1af182d33a0de38308c012841885d8ab92e","Linux >= 7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009 < caee6a68ffaa5016dfc01cd0b3dc1896a32e3abd","Linux >= 7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009 < ed1161ab6239761958b38d5667225634fc2be894","Linux >= 7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009 < d71dfffa512e71b166a889484e4c3b148a9a3af2","Linux >= 7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009 < 80ed3d762628b36c9e4b22fac7c65b72ef3b13dd","Linux >= 7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009 < cf616096a0f3a2b60f7d68b6b39674a6867ded9c","Linux 3.10"],"published":"2026-08-22","updated":"2026-10-16","sourceUpdated":"2026-10-16T20:17:55.210","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-74730","references":[{"url":"https://git.kernel.org/stable/c/80ed3d762628b36c9e4b22fac7c65b72ef3b13dd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/af62f1af182d33a0de38308c012841885d8ab92e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/caee6a68ffaa5016dfc01cd0b3dc1896a32e3abd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cf616096a0f3a2b60f7d68b6b39674a6867ded9c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d71dfffa512e71b166a889484e4c3b148a9a3af2","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d858ab09e787106432d4d9830bad9dfedf02f890","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ed1161ab6239761958b38d5667225634fc2be894","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ed2f92ce2fc48463c41e0e540b9a3454889e8af8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-74730.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-74730"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2521360"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74730"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74730"},{"url":"https://kernelcve.org/list/?q=CVE-2026-74730"},{"url":"https://lore.kernel.org/linux-cve-announce/2026082242-CVE-2026-74730-e35d@gregkh/T"}],"tags":["nvd","cve.org","csaf","vex","red-hat","score-dispute"],"epss":0.0051,"epssPercentile":0.43321,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-16T19:15:50.650757Z"},"scores":{"nvd":9.8,"vendor":4.7},"ingestedAt":"2026-10-14T13:30:58.550Z","slug":"CVE-2026-74730","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nNFS: Pin the 'struct nfs_server' during a FREE_STATEID call\n\nDan Aloni reports that he was able to hit a use-after-free bug if a\nFREE_STATEID operation gets delayed for whatever reason. Fix this by\nbumping the refcount of the 'struct nfs_server' object for the duration\nof the FREE_STATEID so it doesn't get cleaned up from underneath us\nwhile operations are still in flight.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, … · updated 2026-10-26 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-74730.json)","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}