NULL pointer dereference in Linux kernel drm panel driver

1) NULL pointer dereference

EUVDB-ID: #VU90454

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-52826

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 tpg110_get_modes() function in drivers/gpu/drm/panel/panel-tpo-tpg110.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.10 - 6.7 rc7

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:5.10:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10:rc1:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10:rc2:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10:rc3:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10:rc4:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10:rc5:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10:rc7:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10.2:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10.3:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/9acc2bc00135e9ecd13a70ce1140e2673e504cdc
https://git.kernel.org/stable/c/84c923d898905187ebfd4c0ef38cd1450af7e0ea
https://git.kernel.org/stable/c/d0bc9ab0a161a9745273f5bf723733a8e6c57aca
https://git.kernel.org/stable/c/9268bfd76bebc85ff221691b61498cc16d75451c
https://git.kernel.org/stable/c/eaede6900c0961b072669d6bd97fe8f90ed1900f
https://git.kernel.org/stable/c/f22def5970c423ea7f87d5247bd0ef91416b0658
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.202
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.140
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.64
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.13
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.3
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7

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.