CVE-2024-46726

System crash via AMD display index overflow

Published Sep 18, 2024 · Updated May 11, 2026

Integer overflow in the Linux kernel AMD display driver allows local users to crash affected systems through out-of-range indices. The driver calculates vmid0p72_idx, vnom0p8_idx, and vmax0p9_idx without constraining the arithmetic, allowing wrapped results to exceed array bounds. Low-privileged local access and an active AMD display path are required; the published impact is an availability-only system crash.

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

Integer overflow in the Linux kernel AMD display driver allows local users to crash affected systems through out-of-range indices. The driver calculates vmid0p72_idx, vnom0p8_idx, and vmax0p9_idx without constraining the arithmetic, allowing wrapped results to exceed array bounds. Low-privileged local access and an active AMD display path are required; the published impact is an availability-only system crash.

The record

CVE
CVE-2024-46726
Published
Sep 18, 2024
Updated
May 11, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-190, T1499.004
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 <3dc6bb57dab36b38b7374af0ac916174c146b6ed
  3. Affected versionversion=4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <733ae185502d30bbe79575167b6178cfb6c5d6bd
  4. Affected versionversion=4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <8e2734bf444767fed787305ccdcb36a2be5301a2
  5. Affected versionversion=4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <d705b5869f6b1b46ad5ceb1bd2a08c04f7e5003b

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=4.15; version=4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <3dc6bb57dab36b38b7374af0ac916174c146b6ed; version=4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <733ae185502d30bbe79575167b6178cfb6c5d6bd; version=4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <8e2734bf444767fed787305ccdcb36a2be5301a2; version=4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <d705b5869f6b1b46ad5ceb1bd2a08c04f7e5003b

Published CVSS scores

5.5UbuntuCVSS: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-190Integer Overflow or Wraparound
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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