SB20250916292 - Infinite loop in Linux kernel openvswitch
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250916292
CSH 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 vulnerability.
1) Infinite loop (CVE-ID: CVE-2023-53188)
CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the do_output() function in net/openvswitch/actions.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/066b86787fa3d97b7aefb5ac0a99a22dad2d15f8
- https://git.kernel.org/stable/c/284be5db6c8d06d247ed056cfc448c4f79bbb16c
- https://git.kernel.org/stable/c/56252da41426f3d01957456f13caf46ce670ea29
- https://git.kernel.org/stable/c/5efcb301523baacd98a47553d4996e924923114d
- https://git.kernel.org/stable/c/644b3051b06ba465bc7401bfae9b14963cbc8c1c
- https://git.kernel.org/stable/c/9b0dd09c1ceb35950d2884848099fccc9ec9a123
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.293