#VU97826 Resource management error in Linux kernel - CVE-2024-46820

Vulnerability identifier: #VU97826

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-2024-46820

CWE-ID: CWE-399

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 resource management error within the vcn_v5_0_0_hw_fini(), vcn_v5_0_0_set_powergating_state() and vcn_v5_0_0_process_interrupt() functions in drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.10, 6.10.1, 6.10.2, 6.10.3, 6.10.4, 6.10.5, 6.10.6, 6.10.7, 6.10.8

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External links
https://git.kernel.org/stable/c/aa92264ba6fd4fb570002f69762634221316e7ae
https://git.kernel.org/stable/c/10fe1a79cd1bff3048e13120e93c02f8ecd05e9d
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.9
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11

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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.