SB20240620159 - Memory leak in Linux kernel bridge
Published: June 20, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240620159
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-2022-48748)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the __allowed_ingress() function in net/bridge/br_vlan.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/446ff1fc37c74093e81db40811a07b5a19f1d797
- https://git.kernel.org/stable/c/c5e216e880fa6f2cd9d4a6541269377657163098
- https://git.kernel.org/stable/c/14be8d448fca6fe7b2a413831eedd55aef6c6511
- https://git.kernel.org/stable/c/fd20d9738395cf8e27d0a17eba34169699fccdff
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.96
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17