SB20240531426 - NULL pointer dereference in Linux kernel brcm80211 brcmfmac driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531426
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) NULL pointer dereference (CVE-ID: CVE-2024-27048)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the brcmf_pmksa_v3_op() function in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.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/df62e22c2e27420e8990a4f09e30d7bf56c2036f
- https://git.kernel.org/stable/c/9975908315c13bae2f2ed5ba92870fa935180b0e
- https://git.kernel.org/stable/c/6138a82f3bccfc67ed7ac059493579fc326c02e5
- https://git.kernel.org/stable/c/b4152222e04cb8afeeca239c90e3fcaf4c553b42
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.23
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.2