SB2024062530 - Buffer overflow in Linux kernel firmware efi driver
Published: June 25, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024062530
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) Buffer overflow (CVE-ID: CVE-2022-48769)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the efi_systab_report_header() function in drivers/firmware/efi/efi.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/b0f1cc093bc2493ac259c53766fd2b800e085807
- https://git.kernel.org/stable/c/3df52448978802ae15dcebf66beba1029df957b4
- https://git.kernel.org/stable/c/a4085859411c825c321c9b55b8a9dc5a128a6684
- https://git.kernel.org/stable/c/f5390cd0b43c2e54c7cf5506c7da4a37c5cef746
- 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