Linux Kernel up to 6.1.1 iommu fsl_pamu_probe memory leak

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.1.1. Impacted is the function fsl_pamu_probe of the component iommu. The manipulation results in an unknown weakness. This vulnerability is known as CVE-2022-50525. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Linux Kernel up to 6.1.1. Affected is the function fsl_pamu_probe of the component iommu. CWE is classifying the issue as CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. The impact remains unknown. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: iommu/fsl_pamu: Fix resource leak in fsl_pamu_probe() The fsl_pamu_probe() returns directly when create_csd() failed, leaving irq and memories unreleased. Fix by jumping to error if create_csd() returns error.

The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2022-50525 since 10/07/2025. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 270266 (Linux Distros Unpatched Vulnerability : CVE-2022-50525), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.9.337, 4.14.303, 4.19.270, 5.4.229, 5.10.163, 5.15.86, 6.0.16 or 6.1.2 eliminates this vulnerability. Applying the patch c93983230562883e0b5f122040efbb3d478c36d4/a305d0e4d0ce3166e31d7dbcb4c98b09cad6d49a/9fbccdf2fefa3944dd8ba8c6a808b387787f3917/17fd440594961c5e2ea0f58591bc1bdba0629c75/0d240ac0e4c35d3f64fc782c11433138c1bd016e/e42b543d08052c3b223bcfb48f05cbaf0b767f86/9238b687fd62cde14c6e2e8576a40e4246de7ebe/de7eb55009796687fc0a1670e0b944fa8ed54e9b/73f5fc5f884ad0c5f7d57f66303af64f9f002526 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 (270266) and CERT Bund (WID-SEC-2025-2229). Once again VulDB remains the best source for vulnerability data.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • RESF Rocky Linux
  • Open Source Linux Kernel
  • IBM QRadar SIEM
  • Dell NetWorker

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: 5.4

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

NVD Base Score: 5.5
NVD Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 270266
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2022-50525

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 4.9.337/4.14.303/4.19.270/5.4.229/5.10.163/5.15.86/6.0.16/6.1.2
Patch: c93983230562883e0b5f122040efbb3d478c36d4/a305d0e4d0ce3166e31d7dbcb4c98b09cad6d49a/9fbccdf2fefa3944dd8ba8c6a808b387787f3917/17fd440594961c5e2ea0f58591bc1bdba0629c75/0d240ac0e4c35d3f64fc782c11433138c1bd016e/e42b543d08052c3b223bcfb48f05cbaf0b767f86/9238b687fd62cde14c6e2e8576a40e4246de7ebe/de7eb55009796687fc0a1670e0b944fa8ed54e9b/73f5fc5f884ad0c5f7d57f66303af64f9f002526

Timelineinfo

10/07/2025 Advisory disclosed
10/07/2025 +0 days CVE reserved
10/07/2025 +0 days VulDB entry created
04/19/2026 +194 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-50525 (🔒)
GCVE (CVE): GCVE-0-2022-50525
GCVE (VulDB): GCVE-100-327420
CERT Bund: WID-SEC-2025-2229 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 10/07/2025 19:14
Updated: 04/19/2026 03:51
Changes: 10/07/2025 19:14 (58), 10/19/2025 05:33 (2), 11/22/2025 21:06 (7), 12/22/2025 05:18 (1), 02/04/2026 21:03 (12), 02/28/2026 20:14 (1), 04/19/2026 03:51 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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