NULL pointer dereference in Linux kernel pci driver

1) NULL pointer dereference

EUVDB-ID: #VU93121

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-2024-34030

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 of_pci_prop_intr_map() function in drivers/pci/of_property.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

CPE2.3

External links

http://git.kernel.org/stable/c/b5f31d1470c4fdfae368feeb389768ba8d24fb34
http://git.kernel.org/stable/c/598e4a37a2f8da9144ba1fab04320c32169b6d0d
http://git.kernel.org/stable/c/e6f7d27df5d208b50cae817a91d128fb434bb12c

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.