SB20251230156 - Use-after-free in Linux kernel ethernet cadence driver
Published: December 30, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251230156
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) Use-after-free (CVE-ID: CVE-2023-54257)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the macb_get_addr() function in drivers/net/ethernet/cadence/macb_main.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/1bec9da233f779e7b6954ee07ad7e6d8f2a4dd83
- https://git.kernel.org/stable/c/5dcf3a6843d0d7cc76960fbe8511d425f217744c
- https://git.kernel.org/stable/c/7169d1638824c4bf7e0fe0baad381ddec861fa70
- https://git.kernel.org/stable/c/7ccc58a1a75601c936069d4a0741940623990ade
- https://git.kernel.org/stable/c/82e626af24683e01211abe66cec27a387f8f17c9
- https://git.kernel.org/stable/c/9412a9bf5952cdf5d0f736cc1e8c68fd366c2d47
- https://git.kernel.org/stable/c/dd7a49a3eaf723a01b2fdf153f98450a82b0b0fe
- https://git.kernel.org/stable/c/e8b74453555872851bdd7ea43a7c0ec39659834f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.313
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.281
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.178
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.108
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.241
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.25
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3