CVE-2026-31460

Local system crash via invalid backlight pointer

Published Apr 22, 2026 · Updated Apr 22, 2026

Null-pointer dereference in Linux Kernel 6.19 through 6.19.10 allows local users to crash systems with AMD GPUs and LVDS connectors. The AMD display backlight setup path reads ext_caps without checking whether LVDS connector initialization supplied a valid pointer. The affected hardware must be present; reaching the path after boot requires root privileges to rebind the driver through sysfs or reload its module.

CVSS severity5.5
Medium
EPSS probability0.11%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Null-pointer dereference in Linux Kernel 6.19 through 6.19.10 allows local users to crash systems with AMD GPUs and LVDS connectors. The AMD display backlight setup path reads ext_caps without checking whether LVDS connector initialization supplied a valid pointer. The affected hardware must be present; reaching the path after boot requires root privileges to rebind the driver through sysfs or reload its module.

The record

CVE
CVE-2026-31460
Published
Apr 22, 2026
Updated
Apr 22, 2026
Vendor
The Linux Kernel Organization
Product
Linux Kernel
Classifications
T1499
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Apr 22, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 22, 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=1454642960b0a4fafd48b08919d39350ee2ac372 <60b0524bfb7d691ab378cdc788209f11cd34da89
  2. Affected versionversion=1454642960b0a4fafd48b08919d39350ee2ac372 <9da4f9964abcaeb6e19797d5e3b10faad338a786
  3. Affected versionversion=6.19

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

The Linux Kernel Organization · Linux Kernelversion=1454642960b0a4fafd48b08919d39350ee2ac372 <60b0524bfb7d691ab378cdc788209f11cd34da89; version=1454642960b0a4fafd48b08919d39350ee2ac372 <9da4f9964abcaeb6e19797d5e3b10faad338a786; version=6.19

Published CVSS scores

5.5NVDCVSS: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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499Endpoint Denial of Service

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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