SB20251210156 - Resource management error in Linux kernel net ppp driver
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB20251210156
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) Resource management error (CVE-ID: CVE-2022-50655)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the ppp_send_frame() function in drivers/net/ppp/ppp_generic.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/148dcbd3af039ae39c3af697a3183008c7995805
- https://git.kernel.org/stable/c/18dc946360bfe0de016a59e3cc3ee1f450fceb9d
- https://git.kernel.org/stable/c/30f186978e87bef2f22ed349010d3e23271e8d44
- https://git.kernel.org/stable/c/4b8f3b939266c90f03b7cc7e26a4c28c7b64137b
- https://git.kernel.org/stable/c/7da524781c531ebaf2f94c9dc4c541b82edecfed
- https://git.kernel.org/stable/c/9f225444467b98579cf28d94f4ad053460dfdb84
- https://git.kernel.org/stable/c/c2a698ff156974908308f42cf5991ab5c0c4b8cd
- https://git.kernel.org/stable/c/e387a25552951802102e279931d6f7dd2ecc34c1
- https://git.kernel.org/stable/c/ee678b1f52f9439e930db2db3fd7e345d03e1a50
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2