SB2024053182 - Use-after-free in Linux kernel brcm80211 brcmfmac driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024053182
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) Use-after-free (CVE-ID: CVE-2024-35811)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the brcmf_notify_escan_complete() and brcmf_cfg80211_detach() functions in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/202c503935042272e2f9e1bb549d5f69a8681169
- https://git.kernel.org/stable/c/8e3f03f4ef7c36091f46e7349096efb5a2cdb3a1
- https://git.kernel.org/stable/c/bacb8c3ab86dcd760c15903fcee58169bc3026aa
- https://git.kernel.org/stable/c/8c36205123dc57349b59b4f1a2301eb278cbc731
- https://git.kernel.org/stable/c/0b812f706fd7090be74812101114a0e165b36744
- https://git.kernel.org/stable/c/190794848e2b9d15de92d502b6ac652806904f5a
- https://git.kernel.org/stable/c/6678a1e7d896c00030b31491690e8ddc9a90767a
- https://git.kernel.org/stable/c/0a7591e14a8da794d0b93b5d1c6254ccb23adacb
- https://git.kernel.org/stable/c/0f7352557a35ab7888bc7831411ec8a3cbe20d78
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.312
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.215
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.154
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.274
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.84
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.24
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.3