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kernel: xen: Xen hypercall page unsafe against speculative attacks (Xen Security Advisory 466)

🗓️ 15 Apr 2025 09:50:32Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

Xen: disable hypercall page for PV iret to fix speculative attacks CVE-2024-53241.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.10x86_64kernel-rt4.18.0-553.50.1.rt7.391.el8_10kernel-rt-4.18.0-553.50.1.rt7.391.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-core4.18.0-553.50.1.rt7.391.el8_10kernel-rt-core-4.18.0-553.50.1.rt7.391.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug4.18.0-553.50.1.rt7.391.el8_10kernel-rt-debug-4.18.0-553.50.1.rt7.391.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-core4.18.0-553.50.1.rt7.391.el8_10kernel-rt-debug-core-4.18.0-553.50.1.rt7.391.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-debuginfo4.18.0-553.50.1.rt7.391.el8_10kernel-rt-debug-debuginfo-4.18.0-553.50.1.rt7.391.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-devel4.18.0-553.50.1.rt7.391.el8_10kernel-rt-debug-devel-4.18.0-553.50.1.rt7.391.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-kvm4.18.0-553.50.1.rt7.391.el8_10kernel-rt-debug-kvm-4.18.0-553.50.1.rt7.391.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-modules4.18.0-553.50.1.rt7.391.el8_10kernel-rt-debug-modules-4.18.0-553.50.1.rt7.391.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-modules-extra4.18.0-553.50.1.rt7.391.el8_10kernel-rt-debug-modules-extra-4.18.0-553.50.1.rt7.391.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debuginfo4.18.0-553.50.1.rt7.391.el8_10kernel-rt-debuginfo-4.18.0-553.50.1.rt7.391.el8_10.x86_64.rpm
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21 Jul 2026 14:42Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.15.5
EPSS0.0031
6