{"id":"CVE-2026-99245","published":"2026-11-03T12:17:30.877","lastModified":"2026-11-03T20:18:30.880","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nKEYS: Fix key_reject_and_link() race with keyring restriction\n\nThe restrict_link check in key_reject_and_link() is done before taking\nthe keyring semaphore, racing with a concurrent keyring_restrict()\nthat installs the restriction while holding the semaphore in write\nmode.\n\nMove the check to after __key_link_lock(), so it is done under the\nsemaphore, matching the pattern used in __key_create_or_update().","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/01835d3a3709be508ae5209f806640336c48e395","tags":[]},{"url":"https://git.kernel.org/stable/c/0b157166e612b70f98a332b6c7be7eac6f8e9593","tags":[]},{"url":"https://git.kernel.org/stable/c/19dfc37c9deefa69dc805d01d35d1f2fd7902e33","tags":[]},{"url":"https://git.kernel.org/stable/c/23a9163cc40b4996ba1e20533b1210a1a0bee416","tags":[]},{"url":"https://git.kernel.org/stable/c/2c3d907dd15f4e30d4c35b9f7a7a5078de6a1b1f","tags":[]},{"url":"https://git.kernel.org/stable/c/5787887eba0f0979a8c86d03a8e891395d5c24ad","tags":[]},{"url":"https://git.kernel.org/stable/c/6fc0c818b1cac66003e937c8a0d3bfb23fd3f130","tags":[]},{"url":"https://git.kernel.org/stable/c/72f367417a6aee56821d0b0114cfd2b080008b63","tags":[]},{"url":"https://git.kernel.org/stable/c/c7956ec99ad0e173720d95de9fa788bb077809f2","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}