Input validation error in Linux kernel drm xlnx driver

1) Input validation error

EUVDB-ID: #VU102284

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-2024-56537

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

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 zynqmp_disp_layer_release_dma() function in drivers/gpu/drm/xlnx/zynqmp_disp.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.11 - 6.11.10

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:6.11:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.11.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.11.2:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.11.3:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.11.4:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.11.5:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.11.6:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.11.7:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.11.8:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.11.9:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/223842c7702b52846b1c5aef8aca7474ec1fd29b
https://git.kernel.org/stable/c/9218be402aeb1999cc119fc616e21c3cc7cdeec0
https://git.kernel.org/stable/c/ce7e62bbd55d20cf250396eb4e8f65b3b5a5e685
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.11

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.