SB2025100804 - Memory leak in Linux kernel tty serial driver
Published: October 8, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100804
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-2023-53687)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the s3c24xx_serial_getclk() function in drivers/tty/serial/samsung.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/01dd8a43a84616c830782166ba3cceb01ad95363
- https://git.kernel.org/stable/c/1962717c4649e026a4252fe6625175affd28a593
- https://git.kernel.org/stable/c/1f426293fef1c13742b2a685bf7e363f51f6ee03
- https://git.kernel.org/stable/c/46574e5a0a2aee41e6ebb979cfe1dbaea8693e16
- https://git.kernel.org/stable/c/832e231cff476102e8204a9e7bddfe5c6154a375
- https://git.kernel.org/stable/c/933e5b2998bc3a527d15efbf1e97c9e63297aa3c
- https://git.kernel.org/stable/c/9dd8091959bc41fee51d0827276a2b982e84adf0
- https://git.kernel.org/stable/c/f0bf102ef9b05d7294bd8d506755465f6867d944
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.40