#VU104975 Out-of-bounds read in Linux kernel - CVE-2025-21734
Published: February 27, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104975
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-2025-21734
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 fastrpc_get_args() function in drivers/misc/fastrpc.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/24a79c6bc8de763f7c50f4f84f8b0c183bc25a51
- https://git.kernel.org/stable/c/c0464bad0e85fcd5d47e4297d1e410097c979e55
- https://git.kernel.org/stable/c/c3f7161123fcbdc64e90119ccce292d8b66281c4
- https://git.kernel.org/stable/c/c56ba3ea8e3c9a69a992aad18f7a65e43e51d623
- https://git.kernel.org/stable/c/e966eae72762ecfdbdb82627e2cda48845b9dd66
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.129
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.78