CVE-2022-49969
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-06-18

Last updated on: 2025-11-13

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: clear optc underflow before turn off odm clock [Why] After ODM clock off, optc underflow bit will be kept there always and clear not work. We need to clear that before clock off. [How] Clear that if have when clock off.
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Meta Information
Published
2025-06-18
Last Modified
2025-11-13
Generated
2026-05-07
AI Q&A
2025-06-18
EPSS Evaluated
2026-05-05
NVD
Affected Vendors & Products
Showing 6 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
linux linux_kernel 6.0
Helpful Resources
Exploitability
CWE
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CWE ID Description
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AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is in the Linux kernel's AMD display driver. It occurs because the optc underflow bit is not cleared properly before turning off the ODM clock. As a result, after the ODM clock is turned off, the optc underflow bit remains set and cannot be cleared. The fix involves clearing this bit before turning off the clock to prevent the issue.


How can this vulnerability impact me? :

The vulnerability could potentially cause display or graphics issues related to the AMD display driver in the Linux kernel, such as improper handling of the optc underflow state after the ODM clock is turned off. However, specific impacts on system stability, security, or data integrity are not detailed.


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