CVE-2025-21843

drm/panthor: avoid garbage value in panthor_ioctl_dev_query()

State: Published
Severity: 5.5 Medium
Published: Mar 7, 2025
Updated: May 11, 2026
Reserved: Dec 29, 2024

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.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-908 Use of Uninitialized Resource

Affected Products

Product	Versions
LinuxLinux	f70000ef23527f6d928d1175c66c5fafa968814b to before 64b95bbc08bacf3e4b05c8604e6a4fec43bb712aAffected f70000ef23527f6d928d1175c66c5fafa968814b to before 3b32b7f638fe61e9d29290960172f4e360e38233Affected
LinuxLinux	6.13Affected before 6.13Not affected 6.13.4 through 6.13.*Not affected 6.14 and laterNot affected

References

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