#VU98369 Improper locking in Linux kernel - CVE-2024-47658

Vulnerability identifier: #VU98369

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-2024-47658

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 stm32_cryp_irq_thread() function in drivers/crypto/stm32/stm32-cryp.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/d93a2f86b0a998aa1f0870c85a2a60a0771ef89a
https://git.kernel.org/stable/c/5d734665cd5d93270731e0ff1dd673fec677f447
https://git.kernel.org/stable/c/56ddb9aa3b324c2d9645b5a7343e46010cf3f6ce

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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.