SB2025123076 - Memory leak in Linux kernel ptp driver
Published: December 30, 2025 Updated: December 31, 2025
Security Bulletin ID
SB2025123076
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-2023-54307)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ptp_qoriq_probe() function in drivers/ptp/ptp_qoriq.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/3907fcb5a439933cf8c10d6dc300bc11eba30de3
- https://git.kernel.org/stable/c/43b4331ce0cd88ccba425e0702ba35c1a52daccf
- https://git.kernel.org/stable/c/46c4993a1514eea3bbc7147d0c81c23cc06c6bed
- https://git.kernel.org/stable/c/c0de1a26e6595b0e7969c5b35990a77a2d93104f
- https://git.kernel.org/stable/c/c960785c8168d0e572101ed921b9be3934ed0bc9
- https://git.kernel.org/stable/c/f33642224e38d7e0d59336e10e7b4e370b1c4506
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.177
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.106
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.240
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.23
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3