#VU102935 Improper locking in Linux kernel - CVE-2024-57889

Vulnerability identifier: #VU102935

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-2024-57889

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 ARRAY_SIZE(), mcp_pinconf_get() and mcp_pinconf_set() functions in drivers/pinctrl/pinctrl-mcp23s08.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/0310cbad163a908d09d99c26827859365cd71fcb
https://git.kernel.org/stable/c/788d9e9a41b81893d6bb8faa05f045c975278318
https://git.kernel.org/stable/c/830f838589522404cd7c2f0f540602f25034af61
https://git.kernel.org/stable/c/8c6fd5803b988a5e78c9b9e42c70a936d7cfc6ec
https://git.kernel.org/stable/c/9372e160d8211a7e17f2abff8370794f182df785
https://git.kernel.org/stable/c/a37eecb705f33726f1fb7cd2a67e514a15dfe693
https://git.kernel.org/stable/c/c55d186376a87b468c9ee30f2195e0f3857f61a0

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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.