#VU106869 Input validation error in Linux kernel - CVE-2025-21909
Published: April 2, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU106869
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-2025-21909
CWE-ID: CWE-20
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 improper input validation within the parse_monitor_flags() function in net/wireless/nl80211.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/236f41ca728f23210b31ed2d1d8a6df575a4b2d6
- https://git.kernel.org/stable/c/351eb7ac53ff1cd94d893c0c4534ced2f36ae7d7
- https://git.kernel.org/stable/c/49f27f29446a5bfe633dd2cc0cfebd48a1a5e77f
- https://git.kernel.org/stable/c/521e55c2b0d6028861ac0a2d06aa57bb0e3ac486
- https://git.kernel.org/stable/c/5ea856d93794c4afa5542defd8c61f2708dc245a
- https://git.kernel.org/stable/c/ac4860141300581d3e2f6c6dafa37220f7ea9f65
- https://git.kernel.org/stable/c/cd1bdcb77fdc03c253137e55bae10551b3481461
- https://git.kernel.org/stable/c/ebebbb0eded2ed9a1abfa31962f6fb699e6abce7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.83