SB2025102309 - Memory leak in Linux kernel tty serial driver
Published: October 23, 2025 Updated: October 26, 2025
Security Bulletin ID
SB2025102309
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-2023-53719)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the arc_serial_probe() function in drivers/tty/serial/arc_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/081790eee6b47389a0d895262086d64c6a38d6e5
- https://git.kernel.org/stable/c/153017561d2804cfae87cc9aa377aa84dd906ae1
- https://git.kernel.org/stable/c/3f00df24a5021a6f02c1830a290acd4bceb22a2d
- https://git.kernel.org/stable/c/40a462313ba4f337a2b419e7fb4a670f3dd95e14
- https://git.kernel.org/stable/c/7525aa211758cc023a371e010d16ceaae1057807
- https://git.kernel.org/stable/c/8ab5fc55d7f65d58a3c3aeadf11bdf60267cd2bd
- https://git.kernel.org/stable/c/f76a18e53a66c0ef2938276110717b3805720cd9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.113