SB20250620207 - Incorrect calculation in Linux kernel hwtracing intel_th driver
Published: June 20, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250620207
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) Incorrect calculation (CVE-ID: CVE-2022-50142)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect calculation within the msc_buffer_set_uc(), __msc_buffer_win_free() and for_each_sg() functions in drivers/hwtracing/intel_th/msu.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/0ed72c6bc632cbf8d979ac60f982ff84b7bb610a
- https://git.kernel.org/stable/c/4914c50670b6a531e2cb17cd984cc565b4681312
- https://git.kernel.org/stable/c/566887bad7ff2297d6b3f9659c702ba075f3d62d
- https://git.kernel.org/stable/c/6ae2881c1d1fa0e33f4763b7c786f8ef05a9c828
- https://git.kernel.org/stable/c/ac12ad3ccf6d386e64a9d6a890595a2509d24edd
- https://git.kernel.org/stable/c/b5d924cb4c7b952eaa61622f14427723a78137a3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.211