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kernel: iommu: disable SVA when CONFIG_X86 is set

🗓️ 12 Jun 2026 19:56:20Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

Disable IOMMU Shared Virtual Addressing on x86 to prevent stale kernel page entries enabling arbitrary direct memory access.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.6x86_64bpftool0:4.18.0-372.195.1.el8_6bpftool-0:4.18.0-372.195.1.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6x86_64bpftool-debuginfo0:4.18.0-372.195.1.el8_6bpftool-debuginfo-0:4.18.0-372.195.1.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6x86_64kernel0:4.18.0-372.195.1.el8_6kernel-0:4.18.0-372.195.1.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6anykernel-abi-stablelists0:4.18.0-372.195.1.el8_6.noarchkernel-abi-stablelists-0:4.18.0-372.195.1.el8_6.noarch.noarch.rpm
Red Hat Enterprise Linux8.6x86_64kernel-core0:4.18.0-372.195.1.el8_6kernel-core-0:4.18.0-372.195.1.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6x86_64kernel-debug0:4.18.0-372.195.1.el8_6kernel-debug-0:4.18.0-372.195.1.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6x86_64kernel-debug-core0:4.18.0-372.195.1.el8_6kernel-debug-core-0:4.18.0-372.195.1.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6x86_64kernel-debug-debuginfo0:4.18.0-372.195.1.el8_6kernel-debug-debuginfo-0:4.18.0-372.195.1.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6x86_64kernel-debug-devel0:4.18.0-372.195.1.el8_6kernel-debug-devel-0:4.18.0-372.195.1.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6x86_64kernel-debug-modules0:4.18.0-372.195.1.el8_6kernel-debug-modules-0:4.18.0-372.195.1.el8_6.x86_64.rpm
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03 Jul 2026 10:20Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.17.8
EPSS0.00145
SSVC
6