SB2024073168 - Improper locking in Linux kernel riscv kernel
Published: July 31, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024073168
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) Improper locking (CVE-ID: CVE-2024-42140)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the machine_kexec_mask_interrupts() function in arch/riscv/kernel/machine_kexec.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/bb80a7911218bbab2a69b5db7d2545643ab0073d
- https://git.kernel.org/stable/c/653deee48a4682ea17a05b96fb6842795ab5943c
- https://git.kernel.org/stable/c/7692c9b6baacdee378435f58f19baf0eb69e4155
- https://git.kernel.org/stable/c/484dd545271d02d1571e1c6b62ea7df9dbe5e692
- https://git.kernel.org/stable/c/c562ba719df570c986caf0941fea2449150bcbc4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.163
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.98
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.39