CVE-2025-21843

drm/panthor: avoid garbage value in panthor_ioctl_dev_query()

Description

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: avoid garbage value in panthor_ioctl_dev_query() 'priorities_info' is uninitialized, and the uninitialized value is copied to user object when calling PANTHOR_UOBJ_SET(). Using memset to initialize 'priorities_info' to avoid this garbage value problem.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/64b95bbc08bacf3e4b05c8604e6a4fec43bb712a patch
https://git.kernel.org/stable/c/3b32b7f638fe61e9d29290960172f4e360e38233 patch

Frequently Asked Questions

What is the severity of CVE-2025-21843?
CVE-2025-21843 has been scored as a medium severity vulnerability.
How to fix CVE-2025-21843?
To fix CVE-2025-21843, 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-2025-21843 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-21843 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-2025-21843?
CVE-2025-21843 affects Linux Linux, Linux Linux.
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