CVE-2022-50157

Resource leak via missing error-path release

Published Jun 18, 2025 · Updated May 11, 2026

Resource leak in affected Linux kernel versions allows local users to interrupt service through Microchip PCIe initialization errors. The mc_pcie_init_irq_domains() function omits of_node_put() after event-domain or INTx-domain allocation errors, leaving the child device-tree node referenced. Exploitation requires low-privileged local access, the Microchip PolarFire PCIe controller driver, and an initialization error; public records report no confidentiality or integrity impact.

CVSS severity5.5
Medium
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Resource leak in affected Linux kernel versions allows local users to interrupt service through Microchip PCIe initialization errors. The mc_pcie_init_irq_domains() function omits of_node_put() after event-domain or INTx-domain allocation errors, leaving the child device-tree node referenced. Exploitation requires low-privileged local access, the Microchip PolarFire PCIe controller driver, and an initialization error; public records report no confidentiality or integrity impact.

The record

CVE
CVE-2022-50157
Published
Jun 18, 2025
Updated
May 11, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
Unavailable
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 18, 2025CVE publishedPublication date reported by the CVE source.
  2. May 11, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=5.12
  2. Affected versionversion=6f15a9c9f94133bee0d861a4bf25e10aaa95219d <6cd5f93b5c6a66c68a91dbc604a78207252ecd43
  3. Affected versionversion=6f15a9c9f94133bee0d861a4bf25e10aaa95219d <880ece912b958a0c92cc0baa8e906fb9b49a4b53
  4. Affected versionversion=6f15a9c9f94133bee0d861a4bf25e10aaa95219d <c0ad5c7e68d10f6f8ffb0f4329e3c19404fbca58
  5. Affected versionversion=6f15a9c9f94133bee0d861a4bf25e10aaa95219d <f030304fdeb87ec8f1b518c73703214aec6cc24a

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=5.12; version=6f15a9c9f94133bee0d861a4bf25e10aaa95219d <6cd5f93b5c6a66c68a91dbc604a78207252ecd43; version=6f15a9c9f94133bee0d861a4bf25e10aaa95219d <880ece912b958a0c92cc0baa8e906fb9b49a4b53; version=6f15a9c9f94133bee0d861a4bf25e10aaa95219d <c0ad5c7e68d10f6f8ffb0f4329e3c19404fbca58; version=6f15a9c9f94133bee0d861a4bf25e10aaa95219d <f030304fdeb87ec8f1b518c73703214aec6cc24a

Published CVSS scores

5.5Debian Security TrackerCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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