CVE-2023-0266 — Linux Kernel Use-After-Free Vulnerability
CVE-2023-0266: Linux Kernel Use-After-Free Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Linux |
| Product | Kernel |
| Date added | 2023-03-30 |
| Due date | 2023-04-20 |
| Ransomware campaign use | Unknown |
Description
Linux kernel contains a use-after-free vulnerability that allows for privilege escalation to gain ring0 access from the system user.
Required action (CISA)
Apply updates per vendor instructions.
Notes
https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-5.10/alsa-pcm-move-rwsem-lock-inside-snd_ctl_elem_read-to-prevent-uaf.patch?id=72783cf35e6c55bca84c4bb7b776c58152856fd4; https://nvd.nist.gov/vuln/detail/CVE-2023-0266
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-0266
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog