SB2024111030 - Improper locking in Linux kernel acpi driver
Published: November 10, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024111030
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-2024-50249)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the acpi_cppc_processor_probe() and cpc_write() functions in drivers/acpi/cppc_acpi.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/c46d6b02588000c27b7b869388c2c0278bd0d173
- https://git.kernel.org/stable/c/23039b4aaf1e82e0feea1060834d4ec34262e453
- https://git.kernel.org/stable/c/0eb2b767c42fac61ab23c4063eb456baa4c2c262
- https://git.kernel.org/stable/c/43b1df48d1e7000a214acd1a81b8012ca8a929c8
- https://git.kernel.org/stable/c/1c10941e34c5fdc0357e46a25bd130d9cf40b925
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.171
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.116
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.60