Linux Kernel up to 6.13.3/6.14-rc2 drm panthor panthor_ioctl_dev_query uninitialized pointer

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Linux Kernel up to 6.13.3/6.14-rc2. Impacted is the function panthor_ioctl_dev_query of the component drm panthor. Performing a manipulation results in uninitialized pointer. This vulnerability is identified as CVE-2025-21843. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.13.3/6.14-rc2. It has been classified as problematic. This affects the function panthor_ioctl_dev_query of the component drm panthor. The manipulation with an unknown input leads to a uninitialized pointer vulnerability. CWE is classifying the issue as CWE-824. The product accesses or uses a pointer that has not been initialized. The impact remains unknown. The summary by CVE is:

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.

The advisory is shared at git.kernel.org. This vulnerability is uniquely identified as CVE-2025-21843 since 12/29/2024. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 243920 (Linux Distros Unpatched Vulnerability : CVE-2025-21843), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.13.4 or 6.14-rc3 eliminates this vulnerability. Applying the patch 64b95bbc08bacf3e4b05c8604e6a4fec43bb712a/3b32b7f638fe61e9d29290960172f4e360e38233 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (243920) and CERT Bund (WID-SEC-2025-0499). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Google Container-Optimized OS
  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • RESF Rocky Linux
  • SolarWinds Security Event Manager
  • Open Source Linux Kernel
  • Dell Secure Connect Gateway

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Uninitialized pointer
CWE: CWE-824 / CWE-908
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 243920
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-21843

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.13.4/6.14-rc3
Patch: 64b95bbc08bacf3e4b05c8604e6a4fec43bb712a/3b32b7f638fe61e9d29290960172f4e360e38233

Timelineinfo

12/29/2024 🔍
03/07/2025 +68 days 🔍
03/07/2025 +0 days 🔍
02/16/2026 +346 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2025-21843 (🔍)
GCVE (CVE): GCVE-0-2025-21843
GCVE (VulDB): GCVE-100-298941
CERT Bund: WID-SEC-2025-0499 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 03/07/2025 11:08
Updated: 02/16/2026 22:47
Changes: 03/07/2025 11:08 (58), 08/06/2025 15:03 (2), 02/16/2026 22:47 (7)
Complete: 🔍
Committer: mitr
Cache ID: 216::103

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