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kernel: drm/i915/gt: fix refcount underflow in intel_engine_park_heartbeat

🗓️ 15 Sep 2026 08:14:42Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

Local use-after-free in Linux kernel i915 driver in intel_engine_park_heartbeat enabling DoS.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB		CVE-2026-31656
24 Apr 202614:45
–attackerkb
nessus
Tenable Nessus		Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1693)
9 May 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2026-1694)
9 May 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1695)
9 May 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-123 (ALASKERNEL-5.10-2026-123)
22 Jun 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2026-102 (ALASKERNEL-5.15-2026-102)
9 May 202600:00
–nessus
nessus
Tenable Nessus		Debian dla-4561 : linux-config-6.1 - security update
2 May 202600:00
–nessus
nessus
Tenable Nessus		Debian dla-4664 : ata-modules-5.10.0-43-armmp-di - security update
3 Jul 202600:00
–nessus
nessus
Tenable Nessus		Debian dsa-6238 : ata-modules-6.12.74+deb13+1-armmp-di - security update
30 Apr 202600:00
–nessus
nessus
Tenable Nessus		Debian dsa-6243 : affs-modules-6.1.0-44-4kc-malta-di - security update
2 May 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.2aarch64kernel6.12.0-211.55.1.el10_2kernel-6.12.0-211.55.1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lekernel6.12.0-211.55.1.el10_2kernel-6.12.0-211.55.1.el10_2.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xkernel6.12.0-211.55.1.el10_2kernel-6.12.0-211.55.1.el10_2.s390x.rpm
Red Hat Enterprise Linux10.2x86_64kernel6.12.0-211.55.1.el10_2kernel-6.12.0-211.55.1.el10_2.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64kernel-64k6.12.0-211.55.1.el10_2kernel-64k-6.12.0-211.55.1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2aarch64kernel-64k-core6.12.0-211.55.1.el10_2kernel-64k-core-6.12.0-211.55.1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2aarch64kernel-64k-debug6.12.0-211.55.1.el10_2kernel-64k-debug-6.12.0-211.55.1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2aarch64kernel-64k-debug-core6.12.0-211.55.1.el10_2kernel-64k-debug-core-6.12.0-211.55.1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2aarch64kernel-64k-debug-debuginfo6.12.0-211.55.1.el10_2kernel-64k-debug-debuginfo-6.12.0-211.55.1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2aarch64kernel-64k-debug-devel6.12.0-211.55.1.el10_2kernel-64k-debug-devel-6.12.0-211.55.1.el10_2.aarch64.rpm
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17 Sep 2026 15:02Current
7.1High risk
Vulners AI Score7.1
CVSS 3.17.8
EPSS0.00117
CWE-911
Linux kerneli915use-after-freeintel_engine_park_heartbeatrefcount underflowlocal attack
5