CVE-2026-31656: drm/i915/gt: fix refcount underflow in intel_engine_park_heartbeat
Published Apr 24, 2026
·Updated
drm/i915/gt: fix refcount underflow in intelengineparkheartbeat
Affected Software
16 affected componentsFixes available
Linux Linux kernel (i915 DRM driver)
Linux Linux kernel>=5.5.1<5.15.203
Linux Linux kernel>=5.16<6.1.169
Linux Linux kernel>=6.2<6.6.135
Linux Linux kernel>=6.7<6.12.82
Linux Linux kernel>=6.13<6.18.23
Linux Linux kernel>=6.19<6.19.13
Linux Linux kernel=5.5
Linux Linux kernel=7.0-rc1
Linux Linux kernel=7.0-rc2
Linux Linux kernel=7.0-rc3
Linux Linux kernel=7.0-rc4
Linux Linux kernel=7.0-rc5
Linux Linux kernel=7.0-rc6
Linux Linux kernel=7.0-rc7
Microsoft azl3 kernel 6.6.134.1-2
Event History
Apr 24, 2026
CVE Published
via MITRE·02:45 PM
Data Sourced
via MITRE·02:45 PM
DescriptionSeverity
Data Sourced
via NVD·03:16 PM
RemedyDescriptionSeverityWeaknessAffected Software
Apr 26, 2026
Data Sourced
via Microsoft·08:10 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:10 AM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2026-31656?
CVE-2026-31656 is classified as a high-severity vulnerability affecting the Linux kernel's i915 DRM driver.
2
How do I fix CVE-2026-31656?
To fix CVE-2026-31656, update the Linux kernel to the latest version that includes the patch for this vulnerability.
3
What types of systems are affected by CVE-2026-31656?
CVE-2026-31656 affects systems running the Linux kernel with the i915 DRM driver.
4
What are the potential impacts of CVE-2026-31656?
The potential impacts of CVE-2026-31656 include system crashes or exploitation leading to unauthorized access.
5
Is there a known exploit for CVE-2026-31656?
As of now, there are no publicly known exploits specifically targeting CVE-2026-31656.