CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2016-0728
The join_session_keyring function in security/keys/process_keys.c in the Linux kernel before 4.4.1 mishandles object references in a certain error case, which allows local users to gain privileges or cause a denial of service (integer overflow and use-after-free) via crafted keyctl commands.
Severity
- EPSS
- 3.4% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-31)
- Published
- Modified
- Record from
- the NVD, synced
Affected
- canonical:ubuntu_linux
- debian:debian_linux
- google:android
- hp:server_migration_pack
- linux:linux_kernel
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=23567fd052a9abb6d67fe8e7a9ccdd9800a540f2
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00012.html