Vulnerability identifier: #VU94251

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-2024-39498

CWE-ID: CWE-476

Exploitation vector: Local

Exploit availability: No

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

Vendor: Linux Foundation

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 nv50_msto_cleanup() function in drivers/gpu/drm/nouveau/dispnv50/disp.c, within the intel_mst_enable_dp() function in drivers/gpu/drm/i915/display/intel_dp_mst.c, within the EXPORT_SYMBOL() function in drivers/gpu/drm/display/drm_dp_mst_topology.c, within the dm_helpers_dp_mst_send_payload_allocation() function in drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:

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External links
http://git.kernel.org/stable/c/8e21de5f99b2368a5155037ce0aae8aaba3f5241
http://git.kernel.org/stable/c/5a507b7d2be15fddb95bf8dee01110b723e2bcd9

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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.