CVE-2022-50192

Kernel memory corruption via freed SPI controller

Published Jun 18, 2025 · Updated May 11, 2026

Use-after-free in the Linux kernel Tegra20 SLINK SPI driver allows local users to corrupt kernel memory during controller removal. tegra_slink_remove() calls spi_unregister_master(), which drops the controller's final reference and frees its device data before tspi is used again. Reachability requires the Tegra20 SLINK driver and its controller-removal path; public sources do not establish code execution.

CVSS severity7.8
High
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use-after-free in the Linux kernel Tegra20 SLINK SPI driver allows local users to corrupt kernel memory during controller removal. tegra_slink_remove() calls spi_unregister_master(), which drops the controller's final reference and frees its device data before tspi is used again. Reachability requires the Tegra20 SLINK driver and its controller-removal path; public sources do not establish code execution.

The record

CVE
CVE-2022-50192
Published
Jun 18, 2025
Updated
May 11, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-416
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=26c863418221344b1cfb8e6c11116b2b81144281 <415b4ce61308f24583912d887772dfcbf97f1d20
  2. Affected versionversion=26c863418221344b1cfb8e6c11116b2b81144281 <67f77172644260482fdafc03b6025847944701e5
  3. Affected versionversion=26c863418221344b1cfb8e6c11116b2b81144281 <7e9984d183bb1e99e766c5c2b950ff21f7f7b6c0
  4. Affected versionversion=26c863418221344b1cfb8e6c11116b2b81144281 <800c7767e05d29656713e04532823a752e57e037
  5. Affected versionversion=5.15

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=26c863418221344b1cfb8e6c11116b2b81144281 <415b4ce61308f24583912d887772dfcbf97f1d20; version=26c863418221344b1cfb8e6c11116b2b81144281 <67f77172644260482fdafc03b6025847944701e5; version=26c863418221344b1cfb8e6c11116b2b81144281 <7e9984d183bb1e99e766c5c2b950ff21f7f7b6c0; version=26c863418221344b1cfb8e6c11116b2b81144281 <800c7767e05d29656713e04532823a752e57e037; version=5.15

Published CVSS scores

5.5SUSECVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

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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

CWE-416Use After Free

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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