SB2025022666 - Memory leak in Linux kernel arm64 net
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025022666
CSH 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 vulnerability.
1) Memory leak (CVE-ID: CVE-2022-49341)
CWE-ID: CWE-401 - Missing release of memory after effective lifetime
CVSSv4: 5.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:U/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the bpf_jit_binary_free() function in arch/arm64/net/bpf_jit_comp.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/0cf7aaff290cdc4d7cee683d4a18138b0dacac48
- https://git.kernel.org/stable/c/10f3b29c65bb2fe0d47c2945cd0b4087be1c5218
- https://git.kernel.org/stable/c/3f4d5e727aeaa610688d46c9f101f78b7f712583
- https://git.kernel.org/stable/c/41f7c4f85d402043687e863627a1a84fa867c62d
- https://git.kernel.org/stable/c/5c25a3040bc0486c41a7b63a1fb0de7cdb846ad7
- https://git.kernel.org/stable/c/aaf61a312af63e1cfe2264c4c5b8cd4ea3626025
- https://git.kernel.org/stable/c/e412b3d178ea4bf746f6b8ee086761613704c6be
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.198