#VU121932 Memory leak in Linux kernel - CVE-2026-22977
Published: January 22, 2026
Vulnerability identifier: #VU121932
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-22977
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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 repository.
External links
- 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