Buffer overflow in Linux kernel drm vmwgfx driver

1) Buffer overflow

EUVDB-ID: #VU97285

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-46709

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory corruption within the vmw_stdu_bo_cpu_commit() and vmw_stdu_bo_populate_update_cpu() functions in drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c, within the vmw_bo_cpu_blit_line() and vmw_bo_cpu_blit() functions in drivers/gpu/drm/vmwgfx/vmwgfx_blit.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

CPE2.3

External links

http://git.kernel.org/stable/c/9a9716bbbf3dd6b6cbefba3abcc89af8b72631f4
http://git.kernel.org/stable/c/5c12391ee1ab59cb2f3be3f1f5e6d0fc0c2dc854
http://git.kernel.org/stable/c/50f1199250912568606b3778dc56646c10cb7b04

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.