#VU98924 NULL pointer dereference in Linux kernel - CVE-2024-49922

Vulnerability identifier: #VU98924

Vulnerability 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-2024-49922

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 create_validate_stream_for_sink(), amdgpu_dm_commit_streams() and amdgpu_dm_atomic_commit_tail() functions in drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.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

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External links
https://git.kernel.org/stable/c/65e1d2c291553ef3f433a0b7109cc3002a5f40ae
https://git.kernel.org/stable/c/5e9386baa3033c369564d55de4bab62423e8a1d3
https://git.kernel.org/stable/c/1ff12bcd7deaeed25efb5120433c6a45dd5504a8

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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.