CVE-2026-99245
KEYS: Fix key_reject_and_link() race with keyring restriction
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: KEYS: Fix key_reject_and_link() race with keyring restriction The restrict_link check in key_reject_and_link() is done before taking the keyring semaphore, racing with a concurrent keyring_restrict() that installs the restriction while holding the semaphore in write mode. Move the check to after __key_link_lock(), so it is done under the semaphore, matching the pattern used in __key_create_or_update().
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Nov 3, 2026 |
| Last Updated | Nov 3, 2026 |
Stay Ahead of the Next One
Get instant alerts for linux linux
Be the first to know when new unknown vulnerabilities affecting linux linux are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
Linux / Linux
5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c < c7956ec99ad0e173720d95de9fa788bb077809f2 5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c < 2c3d907dd15f4e30d4c35b9f7a7a5078de6a1b1f 5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c < 72f367417a6aee56821d0b0114cfd2b080008b63 5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c < 19dfc37c9deefa69dc805d01d35d1f2fd7902e33 5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c < 5787887eba0f0979a8c86d03a8e891395d5c24ad 5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c < 01835d3a3709be508ae5209f806640336c48e395 5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c < 6fc0c818b1cac66003e937c8a0d3bfb23fd3f130 5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c < 23a9163cc40b4996ba1e20533b1210a1a0bee416
Linux / Linux
4.7
References
git.kernel.org: https://git.kernel.org/stable/c/c7956ec99ad0e173720d95de9fa788bb077809f2 git.kernel.org: https://git.kernel.org/stable/c/2c3d907dd15f4e30d4c35b9f7a7a5078de6a1b1f git.kernel.org: https://git.kernel.org/stable/c/72f367417a6aee56821d0b0114cfd2b080008b63 git.kernel.org: https://git.kernel.org/stable/c/19dfc37c9deefa69dc805d01d35d1f2fd7902e33 git.kernel.org: https://git.kernel.org/stable/c/5787887eba0f0979a8c86d03a8e891395d5c24ad git.kernel.org: https://git.kernel.org/stable/c/01835d3a3709be508ae5209f806640336c48e395 git.kernel.org: https://git.kernel.org/stable/c/6fc0c818b1cac66003e937c8a0d3bfb23fd3f130 git.kernel.org: https://git.kernel.org/stable/c/23a9163cc40b4996ba1e20533b1210a1a0bee416