NULL pointer dereference in Linux kernel amd amdgpu driver

1) NULL pointer dereference

EUVDB-ID: #VU97797

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-2024-46819

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

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 nbio_v7_4_handle_ras_controller_intr_no_bifring() function in drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.10 - 6.10.8

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:5.10:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10:rc1:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10:rc2:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10:rc3:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10:rc4:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10:rc5:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10:rc7:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10.2:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.10.3:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/614564a5b28983de53b23a358ebe6c483a2aa21e
https://git.kernel.org/stable/c/d04ded1e73f1dcf19a71ec8b9cda3faa7acd8828
https://git.kernel.org/stable/c/70e8ec21fcb8c51446899d3bfe416b31adfa3661
https://git.kernel.org/stable/c/7d265772e44d403071a2b573eac0db60250b1c21
https://git.kernel.org/stable/c/130c2dc75c8c40acc3c96ededea6af80e03c14b8
https://git.kernel.org/stable/c/d190b459b2a4304307c3468ed97477b808381011
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.226
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.167
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.109
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.9
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.50

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.