#VU90777 Improper locking in Linux kernel - CVE-2024-26933


Vulnerability identifier: #VU90777

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-26933

CWE-ID: CWE-667

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 execute arbitrary code.

The vulnerability exists due to improper locking within the disable_show() and disable_store() functions in drivers/usb/core/port.c. A local user can execute arbitrary code.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions


External links
https://git.kernel.org/stable/c/9dac54f08198147f5ec0ec52fcf1bc8ac899ac05
https://git.kernel.org/stable/c/f51849833705dea5b4f9b0c8de714dd87bd6c95c
https://git.kernel.org/stable/c/4facc9421117ba9d8148c73771b213887fec77f7
https://git.kernel.org/stable/c/73d1589b91f2099e5f6534a8497b7c6b527e064e
https://git.kernel.org/stable/c/f4d1960764d8a70318b02f15203a1be2b2554ca1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability