#VU117576 Out-of-bounds read in Linux kernel - CVE-2023-53726
Published: October 23, 2025 / Updated: October 26, 2025
Vulnerability identifier: #VU117576
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-2023-53726
CWE-ID: CWE-125
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 an out-of-bounds read error within the do_csum() function in arch/arm64/lib/csum.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/5a85727239a23de1cc8d93985f1056308128f3e2
- https://git.kernel.org/stable/c/8bd795fedb8450ecbef18eeadbd23ed8fc7630f5
- https://git.kernel.org/stable/c/9a43563cfd6b9200ff2f76b3f9fcdcb217ceb523
- https://git.kernel.org/stable/c/a5ad2f87d8e74e351d3f500ad9d5b3a5653e1c6f
- https://git.kernel.org/stable/c/ba0b46166b8e547024d02345a68b747841931ad2
- https://git.kernel.org/stable/c/fcdf904e866de0e3715835e50409fda3b2590527
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.3