SB20250620118 - Improper error handling in Linux kernel ethernet broadcom driver
Published: June 20, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250620118
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) Improper error handling (CVE-ID: CVE-2022-50062)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the bgmac_dma_tx_add() function in drivers/net/ethernet/broadcom/bgmac.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/1b7680c6c1f6de9904f1d9b05c952f0c64a03350
- https://git.kernel.org/stable/c/ab2b55bb25db289ba0b68e3d58494476bdb1041d
- https://git.kernel.org/stable/c/ac6d4482f29ab992b605c1b4bd1347f1f679f4e4
- https://git.kernel.org/stable/c/c506c9a97120f43257e9b3ce7b1f9a24eafc3787
- https://git.kernel.org/stable/c/da1421a29d3b8681ba6a7f686bd0b40dda5acaf3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.4