Incorrect calculation in Linux kernel - CVE-2022-50142
Published: June 20, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111675
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-50142
CWE-ID: CWE-682
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2022-50142
Install update from vendor's repository.
Sources
- 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