#VU74128 Return of pointer value outside of expected range in Linux kernel


Published: 2023-03-28

Vulnerability identifier: #VU74128

Vulnerability 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-2023-23002

CWE-ID: CWE-466

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor:

Description

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

The vulnerability exist due to the devm_gpiod_get_index_optional() function in drivers/bluetooth/hci_qca.c misinterprets the return value. A local user can perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.3
http://github.com/torvalds/linux/commit/6845667146a28c09b5dfc401c1ad112374087944


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.


Latest bulletins with this vulnerability