#VU93334 Improper locking in Linux kernel - CVE-2024-39362

Vulnerability identifier: #VU93334

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-2024-39362

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 i2c_acpi_find_client_by_adev() and i2c_acpi_notify() functions in drivers/i2c/i2c-core-acpi.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
http://git.kernel.org/stable/c/b1574c8c0a80bd587a7651bf64f00be1f5391d27
http://git.kernel.org/stable/c/90dd0592b3b005d6f15c4e23e1364d3ae95e588d
http://git.kernel.org/stable/c/4f08050a47a59d199e214d711b989bb4f5150373
http://git.kernel.org/stable/c/3f858bbf04dbac934ac279aaee05d49eb9910051

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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.