#VU102485 NULL pointer dereference in Linux kernel - CVE-2024-56777

Vulnerability identifier: #VU102485

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-2024-56777

CWE-ID: CWE-476

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 NULL pointer dereference within the sti_gdp_atomic_check() function in drivers/gpu/drm/sti/sti_gdp.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/3cf2e7c448e246f7e700c7aa47450d1e27579559
https://git.kernel.org/stable/c/997b64c3f4c1827c5cfda8ae7f5d13f78d28b541
https://git.kernel.org/stable/c/b79612ed6bc1a184c45427105c851b5b2d4342ca
https://git.kernel.org/stable/c/e965e771b069421c233d674c3c8cd8c7f7245f42
https://git.kernel.org/stable/c/f5804567cf9605d6e5ec46c0bb786f7d50f18c13

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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.