NULL pointer dereference in Linux kernel display amdgpu_dm driver

1) NULL pointer dereference

EUVDB-ID: #VU98979

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-2024-47683

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 is_dsc_need_re_compute() function in drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.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

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/282f0a482ee61d5e863512f3c4fcec90216c20d9
https://git.kernel.org/stable/c/7c887efda1201110211fed8921a92a713e0b6bcd
https://git.kernel.org/stable/c/718d83f66fb07b2cab89a1fc984613a00e3db18f
https://git.kernel.org/stable/c/a53841b074cc196c3caaa37e1f15d6bc90943b97
https://git.kernel.org/stable/c/70275bb960c71d313254473d38c14e7101cee5ad
https://git.kernel.org/stable/c/6f9c39e8169384d2a5ca9bf323a0c1b81b3d0f3a
https://git.kernel.org/stable/c/d45c64d933586d409d3f1e0ecaca4da494b1d9c6
https://git.kernel.org/stable/c/8151a6c13111b465dbabe07c19f572f7cbd16fef

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.