#VU97843 Input validation error in Linux kernel - CVE-2024-46815

Vulnerability identifier: #VU97843

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-2024-46815

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 build_watermark_ranges() function in drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.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/a72d4996409569027b4609414a14a87679b12267
https://git.kernel.org/stable/c/7c47dd2e92341f2989ab73dbed07f8894593ad7b
https://git.kernel.org/stable/c/c4a7f7c0062fe2c73f70bb7e335199e25bd71492
https://git.kernel.org/stable/c/b36e9b3104c4ba0f2f5dd083dcf6159cb316c996
https://git.kernel.org/stable/c/21f9cb44f8c60bf6c26487d428b1a09ad3e8aebf
https://git.kernel.org/stable/c/6a4a08e45e614cfa7a56498cdfaeb7fae2f07fa0
https://git.kernel.org/stable/c/b38a4815f79b87efb196cd5121579fc51e29a7fb

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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.