Input validation error in Linux kernel soc qcom driver

1) Input validation error

EUVDB-ID: #VU90861

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-2023-52495

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the pmic_glink_altmode_sc8180xp_notify() and pmic_glink_altmode_sc8280xp_notify() functions in drivers/soc/qcom/pmic_glink_altmode.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/532a5557da6892a6b2d5793052e1bce1f4c9e177
http://git.kernel.org/stable/c/d26edf4ee3672cc9828f2a3ffae34086a712574d
http://git.kernel.org/stable/c/c4fb7d2eac9ff9bfc35a2e4d40c7169a332416e0

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.