SB20251001118 - Incorrect calculation in Linux kernel rpmsg driver
Published: October 1, 2025 Updated: October 27, 2025
Security Bulletin ID
SB20251001118
CSH 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 vulnerability.
1) Incorrect calculation (CVE-ID: CVE-2022-50421)
CWE-ID: CWE-682 - Incorrect Calculation
CVSSv4: 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
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect calculation within the rpmsg_chrdev_eptdev_destroy() function in drivers/rpmsg/rpmsg_char.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.