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

🗓️ 11 Oct 2022 12:35:26Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

Intel processors have a hardware flaw with special register writes causing incomplete cleanup and local information disclosure.

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Tenable Nessus		Amazon Linux 2022 : bpftool, kernel, kernel-devel (ALAS2022-2022-185)
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Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2-2022-1813 (ALAS-2022-1813)
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Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2022-015 (ALASKERNEL-5.10-2022-015)
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Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2022-002 (ALASKERNEL-5.15-2022-002)
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Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2022-028 (ALASKERNEL-5.4-2022-028)
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.1ppc64lebpftool0:4.18.0-147.76.1.el8_1bpftool-0:4.18.0-147.76.1.el8_1.ppc64le.rpm
Red Hat Enterprise Linux8.1x86_64bpftool0:4.18.0-147.76.1.el8_1bpftool-0:4.18.0-147.76.1.el8_1.x86_64.rpm
Red Hat Enterprise Linux8.1ppc64lebpftool-debuginfo0:4.18.0-147.76.1.el8_1bpftool-debuginfo-0:4.18.0-147.76.1.el8_1.ppc64le.rpm
Red Hat Enterprise Linux8.1x86_64bpftool-debuginfo0:4.18.0-147.76.1.el8_1bpftool-debuginfo-0:4.18.0-147.76.1.el8_1.x86_64.rpm
Red Hat Enterprise Linux8.1ppc64lekernel0:4.18.0-147.76.1.el8_1kernel-0:4.18.0-147.76.1.el8_1.ppc64le.rpm
Red Hat Enterprise Linux8.1x86_64kernel0:4.18.0-147.76.1.el8_1kernel-0:4.18.0-147.76.1.el8_1.x86_64.rpm
Red Hat Enterprise Linux8.1anykernel-abi-whitelists0:4.18.0-147.76.1.el8_1.noarchkernel-abi-whitelists-0:4.18.0-147.76.1.el8_1.noarch.noarch.rpm
Red Hat Enterprise Linux8.1ppc64lekernel-core0:4.18.0-147.76.1.el8_1kernel-core-0:4.18.0-147.76.1.el8_1.ppc64le.rpm
Red Hat Enterprise Linux8.1x86_64kernel-core0:4.18.0-147.76.1.el8_1kernel-core-0:4.18.0-147.76.1.el8_1.x86_64.rpm
Red Hat Enterprise Linux8.1ppc64lekernel-debug0:4.18.0-147.76.1.el8_1kernel-debug-0:4.18.0-147.76.1.el8_1.ppc64le.rpm
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03 Jul 2026 01:42Current
6.5Medium risk
Vulners AI Score6.5
CVSS 22.1
CVSS 3.15.5
EPSS0.05899
SSVC
CWE-459
hardware flawintel processorsspecial register writesincomplete cleanupinformation disclosurelocal accessauthenticated user
5