CVE-2024-26647

Local system crash via premature DSC dereference

Published Mar 26, 2024 · Updated May 11, 2026

NULL pointer dereference in the Linux kernel AMD display driver allows local users to crash affected systems during DSC packet setup. link_set_dsc_pps_packet() passes dsc->ctx->logger to DC_LOGGER_INIT before checking whether the dsc pointer is NULL. Exploitation requires local low-privileged access and a display path that reaches DSC packet setup; the reported consequence is loss of availability.

CVSS severity5.5
Medium
EPSS probability0.22%
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 the Linux kernel AMD display driver allows local users to crash affected systems during DSC packet setup. link_set_dsc_pps_packet() passes dsc->ctx->logger to DC_LOGGER_INIT before checking whether the dsc pointer is NULL. Exploitation requires local low-privileged access and a display path that reaches DSC packet setup; the reported consequence is loss of availability.

The record

CVE
CVE-2024-26647
Published
Mar 26, 2024
Updated
May 11, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-476, T1499.004
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 26, 2024CVE 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

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=6.3
  2. Affected versionversion=6ca7415f11af5200ab10bd420b513f846e9bfb99 <3bb9b1f958c3d986ed90a3ff009f1e77e9553207
  3. Affected versionversion=6ca7415f11af5200ab10bd420b513f846e9bfb99 <6aa5ede6665122f4c8abce3c6eba06b49e54d25c
  4. Affected versionversion=6ca7415f11af5200ab10bd420b513f846e9bfb99 <cf656fc7276e5b3709a81bc9d9639459be2b2647

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=6.3; version=6ca7415f11af5200ab10bd420b513f846e9bfb99 <3bb9b1f958c3d986ed90a3ff009f1e77e9553207; version=6ca7415f11af5200ab10bd420b513f846e9bfb99 <6aa5ede6665122f4c8abce3c6eba06b49e54d25c; version=6ca7415f11af5200ab10bd420b513f846e9bfb99 <cf656fc7276e5b3709a81bc9d9639459be2b2647

Published CVSS scores

4.1SUSECVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
5.5NIST National Vulnerability DatabaseCVSS: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

CWE-476NULL Pointer Dereference
T1499.004Application or System Exploitation

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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