CVE-2023-52862

System crash via failed Display Core initialization

Published May 21, 2024 · Updated May 11, 2026

NULL pointer dereference in Linux 6.5 through 6.6.1 allows local users with high privileges to crash the kernel during AMD Display Core initialization. In amdgpu_dm_init, failure logging passes adev->dm.dc->ctx->dce_version to dce_version_to_string after Display Core creation leaves adev->dm.dc null. Exploitation requires high local privileges and a failed Display Core initialization; the documented consequence is an availability loss without data disclosure or modification.

CVSS severity4.1
Medium
EPSS probability0.23%
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 6.5 through 6.6.1 allows local users with high privileges to crash the kernel during AMD Display Core initialization. In amdgpu_dm_init, failure logging passes adev->dm.dc->ctx->dce_version to dce_version_to_string after Display Core creation leaves adev->dm.dc null. Exploitation requires high local privileges and a failed Display Core initialization; the documented consequence is an availability loss without data disclosure or modification.

The record

CVE
CVE-2023-52862
Published
May 21, 2024
Updated
May 11, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-476, T1499.004
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. May 21, 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

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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=6.5
  2. Affected versionversion=9788d087caffd8358d6e14349ee69d9385666719 <0c3601a2fbfb265ce283651480e30c8e60459112
  3. Affected versionversion=9788d087caffd8358d6e14349ee69d9385666719 <8b72c5d4a5d25e76b16283397c40b8b3c0d70019
  4. Affected versionversion=9788d087caffd8358d6e14349ee69d9385666719 <97ef07182ac46b069bb5e7d46cb903a764d67898

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

The Linux Kernel Organization · Linuxversion=6.5; version=9788d087caffd8358d6e14349ee69d9385666719 <0c3601a2fbfb265ce283651480e30c8e60459112; version=9788d087caffd8358d6e14349ee69d9385666719 <8b72c5d4a5d25e76b16283397c40b8b3c0d70019; version=9788d087caffd8358d6e14349ee69d9385666719 <97ef07182ac46b069bb5e7d46cb903a764d67898

Published CVSS scores

4.1CISA-ADPCVSS:3.1/AV:L/AC:H/PR:H/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
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.

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Technologies

Your stack

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Your stack

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