#VU105069 Buffer overflow in Linux kernel - CVE-2025-21738
Published: February 27, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU105069
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-2025-21738
CWE-ID: CWE-119
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 memory corruption within the ata_pio_sector() function in drivers/ata/libata-sff.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/0a17a9944b8d89ef03946121241870ac53ddaf45
- https://git.kernel.org/stable/c/0dd5aade301a10f4b329fa7454fdcc2518741902
- https://git.kernel.org/stable/c/6e74e53b34b6dec5a50e1404e2680852ec6768d2
- https://git.kernel.org/stable/c/a8f8cf87059ed1905c2a5c72f8b39a4f57b11b4c
- https://git.kernel.org/stable/c/d5e6e3000309359eae2a17117aa6e3c44897bf6c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.78