#VU115432 NULL pointer dereference in Linux kernel - CVE-2023-53210
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115432
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-2023-53210
CWE-ID: CWE-476
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 NULL pointer dereference within the r5l_log_flush_endio() function in drivers/md/raid5-cache.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/0d0bd28c500173bfca78aa840f8f36d261ef1765
- https://git.kernel.org/stable/c/711fb92606208a8626b785da4f9f23d648a5b6c8
- https://git.kernel.org/stable/c/7a8b6d93991bf4b72b3f959baea35397c6c8e521
- https://git.kernel.org/stable/c/e46b2e7be8059d156af8c011dd8d665229b65886
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.3