SB20250226208 - Memory leak in Linux kernel tty driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226208
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-2022-49191)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the mxser_activate() function in drivers/tty/mxser.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/125b7c929fc9b1e5eaa344bceb6367dfa6fd3f9d
- https://git.kernel.org/stable/c/2cd05c38a27bee7fb42aa4d43174d68ac55dac0f
- https://git.kernel.org/stable/c/376922045009f8ea2d20a8fa3475e95b47c41690
- https://git.kernel.org/stable/c/685b6d16bf89595310b5d61394c9b97cc9505c7c
- https://git.kernel.org/stable/c/6c9041b2f90c0eace73106f22350e1d2c98f5edc
- https://git.kernel.org/stable/c/6dffc2035fbaada60ca8db59e0962e34f760370a
- https://git.kernel.org/stable/c/996291d06851a26678a0fab488b6e1f0677c0576
- https://git.kernel.org/stable/c/b125b08dbee3611f03f53b71471813ed4ccafcdd
- https://git.kernel.org/stable/c/cd3a4907ee334b40d7aa880c7ab310b154fd5cd4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.276
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.238
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.311
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.110
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.33
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.189