CVE-2025-21843 — Use of Uninitialized Resource in Linux

CWE-908 — Use of Uninitialized Resource5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 77.38%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedMar 7

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages3 packages

▶NVDlinux/linux_kernel6.13 — 6.13.4+1
▶CVEListV5linux/linuxf70000ef23527f6d928d1175c66c5fafa968814b — 64b95bbc08bacf3e4b05c8604e6a4fec43bb712a+2
▶debiandebian/linux

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

2
GHSA
GHSA-r2jh-h942-fgww: In the Linux kernel, the following vulnerability has been resolved: drm/panthor: avoid garbage value in panthor_ioctl_dev_query() 'priorities_info'↗2025-03-07
▶
OSV
CVE-2025-21843: In the Linux kernel, the following vulnerability has been resolved: drm/panthor: avoid garbage value in panthor_ioctl_dev_query() 'priorities_info' is↗2025-03-07
▶

📋Vendor Advisories

2
Red Hat
kernel: drm/panthor: avoid garbage value in panthor_ioctl_dev_query()↗2025-03-07
▶
Debian
CVE-2025-21843: linux - In the Linux kernel, the following vulnerability has been resolved: drm/panthor...↗2025
▶
CVE-2025-21843 — Use of Uninitialized Resource in Linux | cvebase