#VU99058 Double free in Linux kernel - CVE-2024-49989

Vulnerability identifier: #VU99058

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-2024-49989

CWE-ID: CWE-415

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 a double free error within the link_destruct() function in drivers/gpu/drm/amd/display/dc/link/link_factory.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
http://git.kernel.org/stable/c/cf6f3ebd6312d465fee096d1f58089b177c7c67f
http://git.kernel.org/stable/c/7af9e6fa63dbd43a61d4ecc8f59426596a75e507
http://git.kernel.org/stable/c/3c0ff4de45ce2c5f7997a1ffa6eefee4b79e6b58
http://git.kernel.org/stable/c/20b5a8f9f4670a8503aa9fa95ca632e77c6bf55d

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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.