Improper error handling in Linux kernel crypto inside-secure driver

1) Improper error handling

EUVDB-ID: #VU90945

Risk: Low

CVSSv3.1: 4.8 [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-2023-52687

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

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

External links

http://git.kernel.org/stable/c/4c0ac81a172a69a7733290915276672787e904ec
http://git.kernel.org/stable/c/8084b788c2fb1260f7d44c032d5124680b20d2b2
http://git.kernel.org/stable/c/fc0b785802b856566df3ac943e38a072557001c4
http://git.kernel.org/stable/c/87e02063d07708cac5bfe9fd3a6a242898758ac8

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.