SB2025091682 - Memory leak in Linux kernel irqchip driver
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091682
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-2023-53191)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the alpine_msix_init_domains() function in drivers/irqchip/irq-alpine-msi.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/071d068b89e95d1b078aa6bbcb9d0961b77d6aa1
- https://git.kernel.org/stable/c/5fbf2cc39b62a4afe44f3d42ee3dcf8f012c1926
- https://git.kernel.org/stable/c/65e30bd1310d90b794c377bf405394157854aa30
- https://git.kernel.org/stable/c/9e79ac4f70fd51243e1c6108d4b0baf16cfde99c
- https://git.kernel.org/stable/c/c9aaf4efe1f02b2fef21a69fb3652f5ad12a5710
- https://git.kernel.org/stable/c/d6c66c46889752fa4962c6388516f7ab66a8d6a1
- https://git.kernel.org/stable/c/eef04516f0c317ce80502c1d6b0d06235a87cd8f
- https://git.kernel.org/stable/c/eef09f786df4b34b97557929287c4e5a83bbf09b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.276