SB2025022667 - Memory leak in Linux kernel ethernet broadcom driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025022667
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) Memory leak (CVE-ID: CVE-2022-49342)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the bcma_mdio_mii_register() function in drivers/net/ethernet/broadcom/bgmac-bcma-mdio.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/7fb1fe7d9a167205413f1de8db9f7d0f82c78286
- https://git.kernel.org/stable/c/b51996e35bbfcc7a27d94dfeed5cc2429b2c0df4
- https://git.kernel.org/stable/c/b8d91399775c55162073bb2aca061ec42e3d4bc1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19