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

🗓️ 14 Sep 2026 10:21:24Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 4 Views

Refcount underflow in Linux kernel i915 driver via race condition enabling use-after-free 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 Linux9.8aarch64kernel5.14.0-687.47.1.el9_8kernel-5.14.0-687.47.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64lekernel5.14.0-687.47.1.el9_8kernel-5.14.0-687.47.1.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xkernel5.14.0-687.47.1.el9_8kernel-5.14.0-687.47.1.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64kernel5.14.0-687.47.1.el9_8kernel-5.14.0-687.47.1.el9_8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k5.14.0-687.47.1.el9_8kernel-64k-5.14.0-687.47.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-core5.14.0-687.47.1.el9_8kernel-64k-core-5.14.0-687.47.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug5.14.0-687.47.1.el9_8kernel-64k-debug-5.14.0-687.47.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-core5.14.0-687.47.1.el9_8kernel-64k-debug-core-5.14.0-687.47.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-debuginfo5.14.0-687.47.1.el9_8kernel-64k-debug-debuginfo-5.14.0-687.47.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-devel5.14.0-687.47.1.el9_8kernel-64k-debug-devel-5.14.0-687.47.1.el9_8.aarch64.rpm
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15 Sep 2026 05:32Current
CVSS 3.17.8
EPSS0.00117
CWE-911
i915 driverrefcount underflowuse-after-freerace conditiondenial of serviceLinux kernel
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