CVE-2021-47362
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-47362
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47362.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-47362
- Related
- Published
- 2024-05-21T15:15:22Z
- Modified
- 2024-09-18T03:17:26.272819Z
- Summary
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/pm: Update intermediate power state for SI
Update the current state as boot state during dpm initialization. During the subsequent initialization, setpowerstate gets called to transition to the final power state. setpowerstate refers to values from the current state and without current state populated, it could result in NULL pointer dereference.
For ex: on platforms where PCI speed change is supported through ACPI ATCS method, the link speed of current state needs to be queried before deciding on changing to final power state's link speed. The logic to query ATCS-support was broken on certain platforms. The issue became visible when broken ATCS-support logic got fixed with commit f9b7f3703ff9 ("drm/amdgpu/acpi: make ATPX/ATCS structures global (v2)").
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1698
- References
Affected packages
Debian:11 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source
Debian:12 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source
Debian:13 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source