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hw: cpu: incomplete clean-up in specific special register write operations (aka DRPW)

🗓️ 09 Aug 2022 11:52:06Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 7 Views

Hardware flaw in some processors causes incomplete cleanup of special register writes, enabling authenticated local information disclosure.

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Red Hat Enterprise Linux7x86_64kernel-rt3.10.0-1160.76.1.rt56.1220.el7kernel-rt-3.10.0-1160.76.1.rt56.1220.el7.x86_64.rpm
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Red Hat Enterprise Linux7x86_64kernel-rt-debug-devel3.10.0-1160.76.1.rt56.1220.el7kernel-rt-debug-devel-3.10.0-1160.76.1.rt56.1220.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-kvm3.10.0-1160.76.1.rt56.1220.el7kernel-rt-debug-kvm-3.10.0-1160.76.1.rt56.1220.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-kvm-debuginfo3.10.0-1160.76.1.rt56.1220.el7kernel-rt-debug-kvm-debuginfo-3.10.0-1160.76.1.rt56.1220.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debuginfo3.10.0-1160.76.1.rt56.1220.el7kernel-rt-debuginfo-3.10.0-1160.76.1.rt56.1220.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debuginfo-common-x86_643.10.0-1160.76.1.rt56.1220.el7kernel-rt-debuginfo-common-x86_64-3.10.0-1160.76.1.rt56.1220.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-devel3.10.0-1160.76.1.rt56.1220.el7kernel-rt-devel-3.10.0-1160.76.1.rt56.1220.el7.x86_64.rpm
Red Hat Enterprise Linux7noarchkernel-rt-doc3.10.0-1160.76.1.rt56.1220.el7kernel-rt-doc-3.10.0-1160.76.1.rt56.1220.el7.noarch.rpm
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28 Jun 2026 12:36Current
6.5Medium risk
Vulners AI Score6.5
CVSS 22.1
CVSS 3.15.5
EPSS0.05778
SSVC
CWE-459
hardware flawprocessor vulnerabilitylocal information disclosureauthenticated userspecial register writes
7