SB20250916421 - Memory leak in Linux kernel misc driver
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250916421
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) Memory leak (CVE-ID: CVE-2022-50349)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the tifm_7xx1_switch_media() function in drivers/misc/tifm_7xx1.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/1695b1adcc3a7d985cd22fa3b55761edf3fab50d
- https://git.kernel.org/stable/c/2bbb222a54ff501f77ce593d21b76b79c905045e
- https://git.kernel.org/stable/c/35abbc8406cc39e72d3ce85f6e869555afe50d54
- https://git.kernel.org/stable/c/57c857353d5020bdec8284d9c0fee447484fe5e0
- https://git.kernel.org/stable/c/848c45964ded537107e010aaf353aa30a0855387
- https://git.kernel.org/stable/c/d861b7d41b17942b337d4b87a70de7cd1dc44d4e
- https://git.kernel.org/stable/c/ee2715faf7e7153f5142ed09aacfa89a64d45dcb
- https://git.kernel.org/stable/c/ef843ee20576039126d34d6eb5f45d14c3e6ce18
- https://git.kernel.org/stable/c/fd2c930cf6a5b9176382c15f9acb1996e76e25ad
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.303
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.270
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.337
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.163
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.86
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.229
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2