SB20251210135 - Reachable assertion in Linux kernel dsa ocelot driver
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB20251210135
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) Reachable assertion (CVE-ID: CVE-2023-53855)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to reachable assertion within the felix_teardown() function in drivers/net/dsa/ocelot/felix.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/758dbcfb257e1aee0a310bae789c2af6ffe35d0f
- https://git.kernel.org/stable/c/7ae8fa6b70975b6efbbef7912d09bff5a0bff491
- https://git.kernel.org/stable/c/a94c16a2fda010866b8858a386a8bfbeba4f72c5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.46
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5