CVE-2022-50458

Service interruption via Tegra device-node reference leak

Published Oct 1, 2025 · Updated Oct 1, 2025

A reference-count leak in the Tegra210 clock driver in affected Linux kernels allows local users to exhaust resources and interrupt service. The tegra210_clock_init function retains the node returned by of_find_matching_node because it omits the matching of_node_put release. Reachability is limited to kernels using the NVIDIA Tegra210 clock driver; the documented consequence is availability loss without data disclosure or modification.

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

What happened

A reference-count leak in the Tegra210 clock driver in affected Linux kernels allows local users to exhaust resources and interrupt service. The tegra210_clock_init function retains the node returned by of_find_matching_node because it omits the matching of_node_put release. Reachability is limited to kernels using the NVIDIA Tegra210 clock driver; the documented consequence is availability loss without data disclosure or modification.

The record

CVE
CVE-2022-50458
Published
Oct 1, 2025
Updated
Oct 1, 2025
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 1, 2025CVE publishedPublication date reported by the CVE source.
  2. Oct 1, 2025Record 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=4.5
  2. Affected versionversion=6b301a059eb2ebed1b12a900e3b21a38e48dd410 <1a6d97139b0a370a9d0809a00e91c41f5bcd3ef1
  3. Affected versionversion=6b301a059eb2ebed1b12a900e3b21a38e48dd410 <417ed4432b1b40526b1cb50e535d46900505f6d9
  4. Affected versionversion=6b301a059eb2ebed1b12a900e3b21a38e48dd410 <56c78cb1f00a9dde8cd762131ce8f4c5eb046fbb
  5. Affected versionversion=6b301a059eb2ebed1b12a900e3b21a38e48dd410 <6d3ac23b952f374017e1a5249d1f03bdbc7f9878
  6. Affected versionversion=6b301a059eb2ebed1b12a900e3b21a38e48dd410 <a19360db83d29bd6b0de4ffad2c815d79246ba99
  7. Affected versionversion=6b301a059eb2ebed1b12a900e3b21a38e48dd410 <ac010ec3484ba95c6ab3d946f9a83560005c13c6
  8. Affected versionversion=6b301a059eb2ebed1b12a900e3b21a38e48dd410 <e715510adc20a4a07f157ece4e6d068e648a0383
  9. Affected versionversion=6b301a059eb2ebed1b12a900e3b21a38e48dd410 <f38f34ba1e1029b927b81b9bf9d952f4ed4007bd
  10. Affected versionversion=6b301a059eb2ebed1b12a900e3b21a38e48dd410 <f487137a53b1a0692211f7ae82c0a7f87c30bdbe

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=4.5; version=6b301a059eb2ebed1b12a900e3b21a38e48dd410 <1a6d97139b0a370a9d0809a00e91c41f5bcd3ef1; version=6b301a059eb2ebed1b12a900e3b21a38e48dd410 <417ed4432b1b40526b1cb50e535d46900505f6d9; version=6b301a059eb2ebed1b12a900e3b21a38e48dd410 <56c78cb1f00a9dde8cd762131ce8f4c5eb046fbb; version=6b301a059eb2ebed1b12a900e3b21a38e48dd410 <6d3ac23b952f374017e1a5249d1f03bdbc7f9878; version=6b301a059eb2ebed1b12a900e3b21a38e48dd410 <a19360db83d29bd6b0de4ffad2c815d79246ba99; version=6b301a059eb2ebed1b12a900e3b21a38e48dd410 <ac010ec3484ba95c6ab3d946f9a83560005c13c6; version=6b301a059eb2ebed1b12a900e3b21a38e48dd410 <e715510adc20a4a07f157ece4e6d068e648a0383; version=6b301a059eb2ebed1b12a900e3b21a38e48dd410 <f38f34ba1e1029b927b81b9bf9d952f4ed4007bd; version=6b301a059eb2ebed1b12a900e3b21a38e48dd410 <f487137a53b1a0692211f7ae82c0a7f87c30bdbe

Published CVSS scores

5.5NIST NVDCVSS: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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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