#VU104983 Out-of-bounds read in Linux kernel - CVE-2025-21789
Published: February 27, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104983
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-2025-21789
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/loongarch/lib/csum.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/6287f1a8c16138c2ec750953e35039634018c84a
- https://git.kernel.org/stable/c/964a8895704a22efc06a2a3276b624a5ae985a06
- https://git.kernel.org/stable/c/9f15a8df542c0f08732a67d1a14ee7c22948fb97
- https://git.kernel.org/stable/c/d6508ffff32b44b6d0de06704034e4eef1c307a7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.4