SB2025100554 - Buffer overflow in Linux kernel broadcom genet driver
Published: October 5, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100554
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) Buffer overflow (CVE-ID: CVE-2023-53535)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the bcmgenet_desc_rx() function in drivers/net/ethernet/broadcom/genet/bcmgenet.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/124ca24e0de958d2e20e0aa1e2434af7b72f8887
- https://git.kernel.org/stable/c/411317d2a4a7d6049d8efeef0d32ae43f8baefce
- https://git.kernel.org/stable/c/5c0862c2c962052ed5055220a00ac1cefb92fbcd
- https://git.kernel.org/stable/c/5f56767fb5f2df875b6553e08dbec6a45431c988
- https://git.kernel.org/stable/c/7cdb07e10c1258c08f31b24898930e4ece88d163
- https://git.kernel.org/stable/c/841881320562cbeac7046b537b91cd000480cea2
- https://git.kernel.org/stable/c/87363d1ab55e497702a9506ff423c422639c8a25
- https://git.kernel.org/stable/c/c34b1c0870323649d45c5074828d7f754dea2673
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.276