#VU97820 Infinite loop in Linux kernel - CVE-2024-46848

Vulnerability identifier: #VU97820

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-2024-46848

CWE-ID: CWE-835

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 infinite loop within the adl_get_hybrid_cpu_type() and intel_pmu_init() functions in arch/x86/events/intel/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/15210b7c8caff4929f25d049ef8404557f8ae468
https://git.kernel.org/stable/c/0eaf812aa1506704f3b78be87036860e5d0fe81d
https://git.kernel.org/stable/c/8717dc35c0e5896f4110f4b3882f7ff787a5f73d
https://git.kernel.org/stable/c/25dfc9e357af8aed1ca79b318a73f2c59c1f0b2b

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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.