CVE-2022-48849

drm/amdgpu: bypass tiling flag check in virtual display case (v2)

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: bypass tiling flag check in virtual display case (v2) vkms leverages common amdgpu framebuffer creation, and also as it does not support FB modifier, there is no need to check tiling flags when initing framebuffer when virtual display is enabled. This can fix below calltrace: amdgpu 0000:00:08.0: GFX9+ requires FB check based on format modifier WARNING: CPU: 0 PID: 1023 at drivers/gpu/drm/amd/amdgpu/amdgpu_display.c:1150 amdgpu_display_framebuffer_init+0x8e7/0xb40 [amdgpu] v2: check adev->enable_virtual_display instead as vkms can be enabled in bare metal as well.

5.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.03%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/fcd1d79aa943fff4fbaa0cce1d576995a7960699	patch
https://git.kernel.org/stable/c/cb29021be49858059138f75d6311a7c35a9379b2	patch
https://git.kernel.org/stable/c/e2b993302f40c4eb714ecf896dd9e1c5be7d4cd7	patch

Frequently Asked Questions

What is the severity of CVE-2022-48849?: CVE-2022-48849 has been scored as a medium severity vulnerability.
How to fix CVE-2022-48849?: To fix CVE-2022-48849, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-48849 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-48849 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-48849?: CVE-2022-48849 affects Linux Linux, Linux Linux.

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