#VU97509 Out-of-bounds read in Linux kernel - CVE-2024-46723

Vulnerability identifier: #VU97509

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-2024-46723

CWE-ID: CWE-125

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 an out-of-bounds read error within the amdgpu_cgs_get_firmware_info() function in drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.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/82ac8f1d02886b5d8aeb9e058989d3bd6fc581e2
https://git.kernel.org/stable/c/e789e05388854a5436b2b5d8695fdb864c9bcc27
https://git.kernel.org/stable/c/5f09fa5e0ad45fbca71933a0e024ca52da47d59b
https://git.kernel.org/stable/c/0bef65e069d84d1cd77ce757aea0e437b8e2bd33
https://git.kernel.org/stable/c/8981927ebc6c12fa76b30c4178acb462bab15f54
https://git.kernel.org/stable/c/f2b7a9f3839e92f43559b2795b34640ca8cf839f
https://git.kernel.org/stable/c/23fefef859c6057e6770584242bdd938254f8ddd
https://git.kernel.org/stable/c/8944acd0f9db33e17f387fdc75d33bb473d7936f

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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.