CVE-2026-72244

GPU memory disclosure and corruption via misaligned allocation

Published Aug 15, 2026 · Updated Aug 15, 2026

GPU buddy allocation in Linux allows local users to disclose or corrupt cross-process VRAM through crafted GEM allocation requests. The __alloc_contig_try_harder() fallback can return a contiguous range whose start violates the requested min_block_size alignment, and GPU drivers trust that range without a post-check. Access to a DRM render node is required; exploitation can read or overwrite adjacent VRAM and cause GPU hangs or resets without crossing an IOMMU or virtual-machine boundary.

CVSS severity7.8
High
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

GPU buddy allocation in Linux allows local users to disclose or corrupt cross-process VRAM through crafted GEM allocation requests. The __alloc_contig_try_harder() fallback can return a contiguous range whose start violates the requested min_block_size alignment, and GPU drivers trust that range without a post-check. Access to a DRM render node is required; exploitation can read or overwrite adjacent VRAM and cause GPU hangs or resets without crossing an IOMMU or virtual-machine boundary.

The record

CVE
CVE-2026-72244
Published
Aug 15, 2026
Updated
Aug 15, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
T1005
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 15, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 15, 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=0a1844bf0b532d84324453374ad6845f64066c28 <419d7d9306491f3e0e417cf794844c73cabee090
  2. Affected versionversion=0a1844bf0b532d84324453374ad6845f64066c28 <4289531106ee175a6eb45db7d4f2734d1dae9887
  3. Affected versionversion=0a1844bf0b532d84324453374ad6845f64066c28 <56bc6384314fb9ae98975fb2af8b143097ede3dc
  4. Affected versionversion=0a1844bf0b532d84324453374ad6845f64066c28 <7185c5262435b93e5eeffa647008992256b9c51a
  5. Affected versionversion=6.7

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=0a1844bf0b532d84324453374ad6845f64066c28 <419d7d9306491f3e0e417cf794844c73cabee090; version=0a1844bf0b532d84324453374ad6845f64066c28 <4289531106ee175a6eb45db7d4f2734d1dae9887; version=0a1844bf0b532d84324453374ad6845f64066c28 <56bc6384314fb9ae98975fb2af8b143097ede3dc; version=0a1844bf0b532d84324453374ad6845f64066c28 <7185c5262435b93e5eeffa647008992256b9c51a; version=6.7

Published CVSS scores

7.8kernel.orgCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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

T1005Data from Local System

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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