SB2024062063 - NULL pointer dereference in Linux kernel brcm80211 brcmfmac driver
Published: June 20, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024062063
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-2024-38575)
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_pcie_provide_random_bytes() and brcmf_pcie_download_fw_nvram() functions in drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.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/0eb2c0528e232b3c32cde9d5e1c9f80ba2996e49
- https://git.kernel.org/stable/c/c37466406f075476c2702ecc01917928af871f3b
- https://git.kernel.org/stable/c/7c15eb344b0d4d3468c9b2a7591ad2b859b29b88
- https://git.kernel.org/stable/c/3729ca9e48d19a03ae049e2bde510e161c2f3720
- https://git.kernel.org/stable/c/316f790ebcf94bdf59f794b7cdea4068dc676d4c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.93
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.33
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.12