#VU91447 Improper locking in Linux kernel - CVE-2024-35818

Vulnerability identifier: #VU91447

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-2024-35818

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 perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the arch/loongarch/include/asm/io.h. 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/97cd43ba824aec764f5ea2790d0c0a318f885167
https://git.kernel.org/stable/c/d7d7c6cdea875be3b241d7d39873bb431db7154d
https://git.kernel.org/stable/c/0b61a7dc6712b78799b3949997e8a5e94db5c4b0
https://git.kernel.org/stable/c/9adec248bba33b1503252caf8e59d81febfc5ceb
https://git.kernel.org/stable/c/9c68ece8b2a5c5ff9b2fcaea923dd73efeb174cd

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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.