SB2026012212 - Memory leak in Linux kernel core
Published: January 22, 2026
Security Bulletin ID
SB2026012212
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2026-22977)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the sock_enable_timestamp() and sock_recv_errqueue() functions in net/core/sock.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/005671c60fcf1dbdb8bddf12a62568fd5e4ec391
- https://git.kernel.org/stable/c/2a71a1a8d0ed718b1c7a9ac61f07e5755c47ae20
- https://git.kernel.org/stable/c/582a5e922a9652fcbb7d0165c95d5b20aa37575d
- https://git.kernel.org/stable/c/88dd6be7ebb3153b662c2cebcb06e032a92857f5
- https://git.kernel.org/stable/c/8c6901aa29626e35045130bac09b75f791acca85
- https://git.kernel.org/stable/c/c655d2167bf014d4c61b4faeca59b60ff9b9f6b1
- https://git.kernel.org/stable/c/e00b169eaac5f7cdbf710c354c8fa76d02009115