SB20251226291 - Integer overflow in Linux kernel
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226291
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Integer overflow (CVE-ID: CVE-2022-50749)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to integer overflow within the encode_comp_t() function in kernel/acct.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0aac6e60c464a5f942f995428e67f8ae1c422250
- https://git.kernel.org/stable/c/1750a0983c455a9b3badd848471fc8d58cb61f67
- https://git.kernel.org/stable/c/2224897d8187dc22a83e05d9361efcccf67bcf12
- https://git.kernel.org/stable/c/6edd0cdee5780fd5f43356b72b29a2a6d48ef6da
- https://git.kernel.org/stable/c/a815a3e019456c94b03bd183e7ac22fd29e9e6fd
- https://git.kernel.org/stable/c/c5f31c655bcc01b6da53b836ac951c1556245305
- https://git.kernel.org/stable/c/cf60bbca1b83a7e0927e36dbf178328982927886
- https://git.kernel.org/stable/c/e93f995a591c352d35d89c518c54f790e1537754
- https://git.kernel.org/stable/c/ebe16676e1dcaa4556ec4d36ca40c82e99e88cfa
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.86