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

🗓️ 18 Oct 2022 08:15:53Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 1 Views

Incomplete cleanup in special register writes may enable an authenticated user to disclose information locally on Intel processors.

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Tenable Nessus		Amazon Linux 2022 : bpftool, kernel, kernel-devel (ALAS2022-2022-185)
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Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-070)
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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 Linux8.4aarch64bpftool0:4.18.0-305.65.1.el8_4bpftool-0:4.18.0-305.65.1.el8_4.aarch64.rpm
Red Hat Enterprise Linux8.4ppc64lebpftool0:4.18.0-305.65.1.el8_4bpftool-0:4.18.0-305.65.1.el8_4.ppc64le.rpm
Red Hat Enterprise Linux8.4s390xbpftool0:4.18.0-305.65.1.el8_4bpftool-0:4.18.0-305.65.1.el8_4.s390x.rpm
Red Hat Enterprise Linux8.4x86_64bpftool0:4.18.0-305.65.1.el8_4bpftool-0:4.18.0-305.65.1.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4aarch64bpftool-debuginfo0:4.18.0-305.65.1.el8_4bpftool-debuginfo-0:4.18.0-305.65.1.el8_4.aarch64.rpm
Red Hat Enterprise Linux8.4ppc64lebpftool-debuginfo0:4.18.0-305.65.1.el8_4bpftool-debuginfo-0:4.18.0-305.65.1.el8_4.ppc64le.rpm
Red Hat Enterprise Linux8.4s390xbpftool-debuginfo0:4.18.0-305.65.1.el8_4bpftool-debuginfo-0:4.18.0-305.65.1.el8_4.s390x.rpm
Red Hat Enterprise Linux8.4x86_64bpftool-debuginfo0:4.18.0-305.65.1.el8_4bpftool-debuginfo-0:4.18.0-305.65.1.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4aarch64kernel0:4.18.0-305.65.1.el8_4kernel-0:4.18.0-305.65.1.el8_4.aarch64.rpm
Red Hat Enterprise Linux8.4ppc64lekernel0:4.18.0-305.65.1.el8_4kernel-0:4.18.0-305.65.1.el8_4.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
incomplete cleanupspecial register writesinformation disclosurelocal accessIntel processorssecurity flawprocessor flaw
1