SB2024071768 - Improper locking in Linux kernel wireless
Published: July 17, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071768
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 locking (CVE-ID: CVE-2022-48784)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the cfg80211_event_work() function in net/wireless/core.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/241e633cb379c4f332fc1baf2abec95ec840cbeb
- https://git.kernel.org/stable/c/c979f792a2baf6d0f3419587668a1a6eba46a3d2
- https://git.kernel.org/stable/c/f0a6fd1527067da537e9c48390237488719948ed
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.25
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17