Memory leak in Linux kernel - CVE-2023-53191
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115340
CSH Severity: Low
CVSS v4.0: 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
CVE-ID: CVE-2023-53191
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2023-53191
Install update from vendor's repository.
Sources
- 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