#VU93758 Incorrect calculation in Linux kernel - CVE-2024-27027

Vulnerability identifier: #VU93758

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-2024-27027

CWE-ID: CWE-682

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 incorrect calculation within the dpll_xa_ref_pin_del() and dpll_xa_ref_dpll_del() functions in drivers/dpll/dpll_core.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/769324eb35143462542cdb15483cdaf4877bf661
https://git.kernel.org/stable/c/b27e32e9367dac024cd6f61f22655714f483fd67
https://git.kernel.org/stable/c/b446631f355ece73b13c311dd712c47381a23172

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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.