#VU116573 Improper error handling in Linux kernel - CVE-2023-53576
Published: October 5, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116573
Vulnerability risk: Low
CVSSv4.0: 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-2023-53576
CWE-ID: CWE-388
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the null_init_tag_set() function in drivers/block/null_blk/main.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/35e304dbcefa95237a3d6f94c007bfb10f012b17
- https://git.kernel.org/stable/c/63f8793ee60513a09f110ea460a6ff2c33811cdb
- https://git.kernel.org/stable/c/651260e563d9f50827dac496dc8a0b9b23d5db1a
- https://git.kernel.org/stable/c/e732a266b973cd4e115e2cc2ea5007119e8a7fbc
- https://git.kernel.org/stable/c/fd35b7bb6d5a329c427924886949ab51f210200a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.30