#VU93623 Buffer overflow in Linux kernel - CVE-2024-35924

Vulnerability identifier: #VU93623

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-2024-35924

CWE-ID: CWE-119

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 memory corruption within the ucsi_read_message_in(), ucsi_read_error(), ucsi_send_command() and ucsi_register() functions in drivers/usb/typec/ucsi/ucsi.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/266f403ec47573046dee4bcebda82777ce702c40
https://git.kernel.org/stable/c/0defcaa09d3b21e8387829ee3a652c43fa91e13f
https://git.kernel.org/stable/c/b3db266fb031fba88c423d4bb8983a73a3db6527

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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.