Improper locking in Linux kernel crypto stm32 driver

1) Improper locking

EUVDB-ID: #VU98369

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-47658

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

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

CPE2.3

External links

http://git.kernel.org/stable/c/d93a2f86b0a998aa1f0870c85a2a60a0771ef89a
http://git.kernel.org/stable/c/5d734665cd5d93270731e0ff1dd673fec677f447
http://git.kernel.org/stable/c/56ddb9aa3b324c2d9645b5a7343e46010cf3f6ce

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.