CVE-2021-47354

GPU data corruption via premature job completion

Published May 21, 2024 · Updated Aug 11, 2026

Data corruption in the Linux kernel DRM scheduler allows local users to corrupt GPU job results through DRM render nodes. In drm_sched_entity_kill_jobs(), queued jobs are signaled as finished during entity teardown without first waiting for each dependency fence. Access to a DRM render node and GPU job-submission ioctls is required; a crafted dependency followed by descriptor closure or process exit can corrupt GPU-managed data or disrupt GPU work.

CVSS severity7.1
High
EPSS probability0.73%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Data corruption in the Linux kernel DRM scheduler allows local users to corrupt GPU job results through DRM render nodes. In drm_sched_entity_kill_jobs(), queued jobs are signaled as finished during entity teardown without first waiting for each dependency fence. Access to a DRM render node and GPU job-submission ioctls is required; a crafted dependency followed by descriptor closure or process exit can corrupt GPU-managed data or disrupt GPU work.

The record

CVE
CVE-2021-47354
Published
May 21, 2024
Updated
Aug 11, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. May 21, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 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=4.15
  2. Affected versionversion=79867462634836ee5c39a2cdf624719feeb189bd <0687411e2a8858262de2fc4a1d576016fd77292e
  3. Affected versionversion=79867462634836ee5c39a2cdf624719feeb189bd <0b10ab80695d61422337ede6ff496552d8ace99d
  4. Affected versionversion=79867462634836ee5c39a2cdf624719feeb189bd <50d7e03ad487cc45fc85164a299b945a41756ac0
  5. Affected versionversion=79867462634836ee5c39a2cdf624719feeb189bd <a8e23e3c1ff9ec598ab1b3a941ace6045027781f
  6. Affected versionversion=79867462634836ee5c39a2cdf624719feeb189bd <c32d0f0e164ffab2a56c7cf8e612584b4b740e2e

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=4.15; version=79867462634836ee5c39a2cdf624719feeb189bd <0687411e2a8858262de2fc4a1d576016fd77292e; version=79867462634836ee5c39a2cdf624719feeb189bd <0b10ab80695d61422337ede6ff496552d8ace99d; version=79867462634836ee5c39a2cdf624719feeb189bd <50d7e03ad487cc45fc85164a299b945a41756ac0; version=79867462634836ee5c39a2cdf624719feeb189bd <a8e23e3c1ff9ec598ab1b3a941ace6045027781f; version=79867462634836ee5c39a2cdf624719feeb189bd <c32d0f0e164ffab2a56c7cf8e612584b4b740e2e
The Linux Kernel Organization · Linux Kernelversion=1da177e4c3f4 <0687411e2a88; version=1da177e4c3f4 <0b10ab80695d; version=1da177e4c3f4 <50d7e03ad487; version=1da177e4c3f4 <a8e23e3c1ff9; version=1da177e4c3f4 <c32d0f0e164f

Published CVSS scores

7.1Linux kernel CNACVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/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

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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo