#VU98378 Input validation error in Linux kernel - CVE-2024-47662

Vulnerability identifier: #VU98378

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-2024-47662

CWE-ID: CWE-20

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 improper input validation within the dmub_dcn35_get_current_time() and dmub_dcn35_get_diagnostic_data() functions in drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.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/eba4b2a38ccdf074a053834509545703d6df1d57
https://git.kernel.org/stable/c/466423c6dd8af23ebb3a69d43434d01aed0db356
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.