#VU90945 Improper error handling in Linux kernel - CVE-2023-52687

Vulnerability identifier: #VU90945

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-2023-52687

CWE-ID: CWE-388

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 error handling within the safexcel_send_req() function in drivers/crypto/inside-secure/safexcel_cipher.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/4c0ac81a172a69a7733290915276672787e904ec
https://git.kernel.org/stable/c/8084b788c2fb1260f7d44c032d5124680b20d2b2
https://git.kernel.org/stable/c/fc0b785802b856566df3ac943e38a072557001c4
https://git.kernel.org/stable/c/87e02063d07708cac5bfe9fd3a6a242898758ac8

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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.