Improper error handling in Linux kernel amd amdgpu driver

1) Improper error handling

EUVDB-ID: #VU95019

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-2024-41093

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

Description

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

The vulnerability exists due to improper error handling within the amdgpu_vkms_prepare_fb() and amdgpu_vkms_cleanup_fb() functions in drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.15 - 6.6.36

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:5.15:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.15:rc1:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.15:rc2:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.15:rc3:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.15:rc4:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.15:rc5:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.15:rc6:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.15:rc7:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.15.0:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.15.1:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/7f35e01cb0ea4d295f5c067bb5c67dfcddaf05bc
https://git.kernel.org/stable/c/6ce0544cabaa608018d5922ab404dc656a9d8447
https://git.kernel.org/stable/c/330c8c1453848c04d335bad81371a66710210800
https://git.kernel.org/stable/c/dd9ec0ea4cdde0fc48116e63969fc83e81d7ef46
https://git.kernel.org/stable/c/bcfa48ff785bd121316592b131ff6531e3e696bb
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.162
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.97
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.37

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.