SB20251226102 - Memory leak in Linux kernel pci driver
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226102
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-2023-53993)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the signal_task_complete() function in drivers/pci/doe.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/2a0e0f4773fe8032fb17e56f897bee32ce3cdc2b
- https://git.kernel.org/stable/c/95628b830952943631d3d74f73f431f501c5d6f5
- https://git.kernel.org/stable/c/abf04be0e7071f2bcd39bf97ba407e7d4439785e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.24
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3