CVE-2024-26915

GPU service interruption via stale overflow-clear bit

Published Apr 17, 2024 · Updated May 11, 2026

A buffer-management flaw in the Linux kernel allows local users to interrupt AMD GPU operation by triggering repeated IH ring overflows. The amdgpu IH ring update paths fail to reset OVERFLOW_CLEAR after writing the read pointer, leaving later ring overflows undetectable. Local low-privileged access and affected AMD GPU hardware are required; the documented impact is availability loss, not data access or modification.

CVSS severity5.5
Medium
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A buffer-management flaw in the Linux kernel allows local users to interrupt AMD GPU operation by triggering repeated IH ring overflows. The amdgpu IH ring update paths fail to reset OVERFLOW_CLEAR after writing the read pointer, leaving later ring overflows undetectable. Local low-privileged access and affected AMD GPU hardware are required; the documented impact is availability loss, not data access or modification.

The record

CVE
CVE-2024-26915
Published
Apr 17, 2024
Updated
May 11, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-120, T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 17, 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=4.2
  2. Affected versionversion=d38ceaf99ed015f2a0b9af3499791bd3a3daae21 <2827633c9dab6304ec4cdbf369363219832e605d
  3. Affected versionversion=d38ceaf99ed015f2a0b9af3499791bd3a3daae21 <7330256268664ea0a7dd5b07a3fed363093477dd
  4. Affected versionversion=d38ceaf99ed015f2a0b9af3499791bd3a3daae21 <8983397951b4b0bd51bb4b4ba9749424e1ccbb70
  5. Affected versionversion=d38ceaf99ed015f2a0b9af3499791bd3a3daae21 <9a9d00c23d170d4ef5a1b28e6b69f5c85dd12bc1
  6. Affected versionversion=d38ceaf99ed015f2a0b9af3499791bd3a3daae21 <a28f4d1e0bed85943d309ac243fd1c200f8af9a2

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=4.2; version=d38ceaf99ed015f2a0b9af3499791bd3a3daae21 <2827633c9dab6304ec4cdbf369363219832e605d; version=d38ceaf99ed015f2a0b9af3499791bd3a3daae21 <7330256268664ea0a7dd5b07a3fed363093477dd; version=d38ceaf99ed015f2a0b9af3499791bd3a3daae21 <8983397951b4b0bd51bb4b4ba9749424e1ccbb70; version=d38ceaf99ed015f2a0b9af3499791bd3a3daae21 <9a9d00c23d170d4ef5a1b28e6b69f5c85dd12bc1; version=d38ceaf99ed015f2a0b9af3499791bd3a3daae21 <a28f4d1e0bed85943d309ac243fd1c200f8af9a2

Published CVSS scores

5.5CISA-ADPCVSS: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-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
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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