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kernel: drm: Set old handle to NULL before prime swap in change_handle

🗓️ 22 Jul 2026 11:40:04Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 4 Views

Kernel direct rendering manager change_handle race may cause use-after-free and arbitrary code execution or privilege escalation.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
GithubExploit		Exploit for Use After Free in Linux Linux_Kernel
19 Jul 202605:37
–githubexploit
GithubExploit		Exploit for Use After Free in Linux Linux_Kernel
11 Jul 202616:16
–githubexploit
ATTACKERKB		CVE-2026-46215
28 May 202609:40
–attackerkb
Tenable Nessus		Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1866)
22 Jun 202600:00
–nessus
Tenable Nessus		RHEL 10 : kernel (RHSA-2026:42919)
21 Jul 202600:00
–nessus
Tenable Nessus		RHEL 9 : kernel (RHSA-2026:43307)
22 Jul 202600:00
–nessus
Tenable Nessus		Linux Distros Unpatched Vulnerability : CVE-2026-46215
3 Jun 202600:00
–nessus
Amazon		Important: kernel6.18
22 Jun 202600:00
–amazon
AstraLinux		Astra Linux – Vulnerability in Linux 5.10
19 Jun 202611:10
–astralinux
BDU FSTEC		The vulnerability of the drm_gem_change_handle_ioctl() function in the Direct Rendering Manager (DRM) subsystem of Linux kernels allows a perpetrator to compromise the confidentiality, integrity, and accessibility of protected information.
6 Jul 202600:00
–bdu_fstec
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.8aarch64kernel5.14.0-687.29.1.el9_8kernel-5.14.0-687.29.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64lekernel5.14.0-687.29.1.el9_8kernel-5.14.0-687.29.1.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xkernel5.14.0-687.29.1.el9_8kernel-5.14.0-687.29.1.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64kernel5.14.0-687.29.1.el9_8kernel-5.14.0-687.29.1.el9_8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k5.14.0-687.29.1.el9_8kernel-64k-5.14.0-687.29.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-core5.14.0-687.29.1.el9_8kernel-64k-core-5.14.0-687.29.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug5.14.0-687.29.1.el9_8kernel-64k-debug-5.14.0-687.29.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-core5.14.0-687.29.1.el9_8kernel-64k-debug-core-5.14.0-687.29.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-debuginfo5.14.0-687.29.1.el9_8kernel-64k-debug-debuginfo-5.14.0-687.29.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-devel5.14.0-687.29.1.el9_8kernel-64k-debug-devel-5.14.0-687.29.1.el9_8.aarch64.rpm
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22 Jul 2026 15:03Current
7.8High risk
Vulners AI Score7.8
CVSS 3.17.8
EPSS0.00134
SSVC
CWE-825
kerneldirect rendering managerchange handleuse after freerace conditiongem closearbitrary code executionprivilege escalation
4