CVE-2024-46732

Kernel crash via uninitialized display pitch alignment

Published Sep 18, 2024 · Updated May 11, 2026

Divide-by-zero in the AMD display core in Linux allows local users to crash the kernel when the display stack runs in a virtual machine. The dc_create function fails to initialize dc->caps.linear_pitch_alignment for DCE_ENV_VIRTUAL_HW, leaving zero for a later division. Exploitation requires low-privileged local access and the AMD virtual-display path; the reported consequence is a kernel crash without data disclosure or modification.

CVSS severity5.5
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

Divide-by-zero in the AMD display core in Linux allows local users to crash the kernel when the display stack runs in a virtual machine. The dc_create function fails to initialize dc->caps.linear_pitch_alignment for DCE_ENV_VIRTUAL_HW, leaving zero for a later division. Exploitation requires low-privileged local access and the AMD virtual-display path; the reported consequence is a kernel crash without data disclosure or modification.

The record

CVE
CVE-2024-46732
Published
Sep 18, 2024
Updated
May 11, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-369, T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 18, 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=4.15
  2. Affected versionversion=4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <4bd7710f2fecfc5fb2dda1ca2adc69db8a66b8b6
  3. Affected versionversion=4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <984debc133efa05e62f5aa1a7a1dd8ca0ef041f4
  4. Affected versionversion=4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <c44b568931d23aed9d37ecbb31fb5fbdd198bf7b
  5. Affected versionversion=4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <d219f902b16d42f0cb8c499ea8f31cf3c0f36349
  6. Affected versionversion=4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <d2fe7ac613a1ea8c346c9f5c89dc6ecc27232997

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=4.15; version=4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <4bd7710f2fecfc5fb2dda1ca2adc69db8a66b8b6; version=4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <984debc133efa05e62f5aa1a7a1dd8ca0ef041f4; version=4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <c44b568931d23aed9d37ecbb31fb5fbdd198bf7b; version=4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <d219f902b16d42f0cb8c499ea8f31cf3c0f36349; version=4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <d2fe7ac613a1ea8c346c9f5c89dc6ecc27232997

Published CVSS scores

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.

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-369Divide By Zero
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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