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kernel: nouveau: fix instmem race condition around ptr stores

🗓️ 06 Apr 2026 01:38:53Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

Nouveau kernel fix prevents instruction memory race causing null pointer dereference and denial of service.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.10x86_64kernel-rt4.18.0-553.117.1.rt7.458.el8_10kernel-rt-4.18.0-553.117.1.rt7.458.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-core4.18.0-553.117.1.rt7.458.el8_10kernel-rt-core-4.18.0-553.117.1.rt7.458.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug4.18.0-553.117.1.rt7.458.el8_10kernel-rt-debug-4.18.0-553.117.1.rt7.458.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-core4.18.0-553.117.1.rt7.458.el8_10kernel-rt-debug-core-4.18.0-553.117.1.rt7.458.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-debuginfo4.18.0-553.117.1.rt7.458.el8_10kernel-rt-debug-debuginfo-4.18.0-553.117.1.rt7.458.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-devel4.18.0-553.117.1.rt7.458.el8_10kernel-rt-debug-devel-4.18.0-553.117.1.rt7.458.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-kvm4.18.0-553.117.1.rt7.458.el8_10kernel-rt-debug-kvm-4.18.0-553.117.1.rt7.458.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-modules4.18.0-553.117.1.rt7.458.el8_10kernel-rt-debug-modules-4.18.0-553.117.1.rt7.458.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-modules-extra4.18.0-553.117.1.rt7.458.el8_10kernel-rt-debug-modules-extra-4.18.0-553.117.1.rt7.458.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debuginfo4.18.0-553.117.1.rt7.458.el8_10kernel-rt-debuginfo-4.18.0-553.117.1.rt7.458.el8_10.x86_64.rpm
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12 Jul 2026 02:58Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.5
EPSS0.00202
SSVC
3