CVE-2025-71162

Kernel compromise via ADMA descriptor use-after-free

Published Jan 25, 2026 · Updated Jan 25, 2026

Use-after-free in the Linux Kernel Tegra ADMA driver allows local users to read or alter kernel data or crash the system during audio termination. tegra_adma_terminate_all() frees a DMA descriptor before the queued vchan_complete() tasklet finishes accessing it. Triggering the race requires Tegra ADMA audio activity and stream termination, particularly an XRUN, while completion remains pending.

CVSS severity7.8
High
EPSS probability0.20%
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 Tegra ADMA driver allows local users to read or alter kernel data or crash the system during audio termination. tegra_adma_terminate_all() frees a DMA descriptor before the queued vchan_complete() tasklet finishes accessing it. Triggering the race requires Tegra ADMA audio activity and stream termination, particularly an XRUN, while completion remains pending.

The record

CVE
CVE-2025-71162
Published
Jan 25, 2026
Updated
Jan 25, 2026
Vendor
The Linux Kernel Organization
Product
Linux Kernel
Classifications
CWE-416, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 25, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 25, 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=4.7
  2. Affected versionversion=f46b195799b5cb05338e7c44cb3617eacb56d755 <2efd07a7c36949e6fa36a69183df24d368bf9e96
  3. Affected versionversion=f46b195799b5cb05338e7c44cb3617eacb56d755 <be655c3736b3546f39bc8116ffbf2a3b6cac96c4
  4. Affected versionversion=f46b195799b5cb05338e7c44cb3617eacb56d755 <cb2c9c4bb1322cc3c9984ad17db8cdd2663879ca

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linux Kernelversion=4.7; version=f46b195799b5cb05338e7c44cb3617eacb56d755 <2efd07a7c36949e6fa36a69183df24d368bf9e96; version=f46b195799b5cb05338e7c44cb3617eacb56d755 <be655c3736b3546f39bc8116ffbf2a3b6cac96c4; version=f46b195799b5cb05338e7c44cb3617eacb56d755 <cb2c9c4bb1322cc3c9984ad17db8cdd2663879ca

Published CVSS scores

7.8kernel.orgCVSS: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

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

CWE-416Use After Free
T1068Exploitation for Privilege Escalation

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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