SB20250619101 - Memory leak in Linux kernel tty serial driver
Published: June 19, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250619101
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-2022-50019)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the soc_info() function in drivers/tty/serial/ucc_uart.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/17c32546166d8a7d2579c4b57c8b16241f94a66b
- https://git.kernel.org/stable/c/59bc4c19d53bdac61ec952c01c6e864f5f0f8367
- https://git.kernel.org/stable/c/81939c4fbc2d5c754d0f1c1f05149d4b70d751ed
- https://git.kernel.org/stable/c/8245e7d1d7f75a9255ad1e8146752e5051d528b8
- https://git.kernel.org/stable/c/ca3fc1c38e4253bc019881301a28ea60b8b0bca3
- https://git.kernel.org/stable/c/d24d7bb2cd947676f9b71fb944d045e09b8b282f
- https://git.kernel.org/stable/c/ec56f886f3bf0f15f7a3844d4c025e165b8e8de7
- https://git.kernel.org/stable/c/f6ed634eedb1a8a6a8cb110a7695c7abb70ffcbf
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.4