#VU94140 Input validation error in Linux kernel - CVE-2024-26666


| Updated: 2025-05-13

Vulnerability identifier: #VU94140

Vulnerability risk: Low

CVSSv4.0: 4.3 [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-2024-26666

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: 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 ieee80211_check_fast_xmit() function in net/mac80211/tx.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.6 - 6.6.16, 6.7 - 6.7.4, 6.8 rc1 - 6.8 rc5


External links
https://git.kernel.org/stable/c/fc3432ae8232ff4025e7c55012dd88db0e3d18eb
https://git.kernel.org/stable/c/c255c3b653c6e8b52ac658c305e2fece2825f7ad
https://git.kernel.org/stable/c/9480adfe4e0f0319b9da04b44e4eebd5ad07e0cd
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.17
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.5
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


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