NULL pointer dereference in Linux kernel power supply driver

1) NULL pointer dereference

EUVDB-ID: #VU90654

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-2023-52465

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to NULL pointer dereference within the smb2_probe() function in drivers/power/supply/qcom_pmi8998_charger.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/e2717302fbc20f148bcda362facee0444b949a3a
http://git.kernel.org/stable/c/bd3d2ec447ede9da822addf3960a5f4275e3ae76
http://git.kernel.org/stable/c/88f04bc3e737155e13caddf0ba8ed19db87f0212

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.