NULL pointer dereference in Linux kernel drm bridge driver

1) NULL pointer dereference

EUVDB-ID: #VU90640

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-2024-26607

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 sii902x_init() and sii902x_probe() functions in drivers/gpu/drm/bridge/sii902x.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/e0f83c234ea7a3dec1f84e5d02caa1c51664a076
http://git.kernel.org/stable/c/56f96cf6eb11a1c2d594367c3becbfb06a855ec1
http://git.kernel.org/stable/c/2a4c6af7934a7b4c304542c38fee35e09cc1770c
http://git.kernel.org/stable/c/08ac6f132dd77e40f786d8af51140c96c6d739c9

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.