SB2024062698 - Buffer overflow in Linux kernel firmware efi driver
Published: June 26, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024062698
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-2024-26843)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the riscv_enable_runtime_services() function in drivers/firmware/efi/riscv-runtime.c, within the arm_enable_runtime_services() function in drivers/firmware/efi/arm-runtime.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/4fff3d735baea104017f2e3c245e27cdc79f2426
- https://git.kernel.org/stable/c/4aa36b62c3eaa869860bf78b1146e9f2b5f782a9
- https://git.kernel.org/stable/c/700c3f642c32721f246e09d3a9511acf40ae42be
- https://git.kernel.org/stable/c/cf3d6813601fe496de7f023435e31bfffa74ae70
- https://git.kernel.org/stable/c/156cb12ffdcf33883304f0db645e1eadae712fe0
- https://git.kernel.org/stable/c/de1034b38a346ef6be25fe8792f5d1e0684d5ff4
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.211
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.150
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.80
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8