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hw: cpu: incomplete clean-up of multi-core shared buffers (aka SBDR)

🗓️ 13 Sep 2022 09:53:20Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 7 Views

Hardware flaw in incomplete cleanup of multi-core shared buffers on Intel processors may enable local information disclosure.

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Red Hat Enterprise Linux8.6x86_64kernel-rt4.18.0-372.26.1.rt7.183.el8_6kernel-rt-4.18.0-372.26.1.rt7.183.el8_6.x86_64.rpm
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Red Hat Enterprise Linux8.6x86_64kernel-rt-debug4.18.0-372.26.1.rt7.183.el8_6kernel-rt-debug-4.18.0-372.26.1.rt7.183.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6x86_64kernel-rt-debug-core4.18.0-372.26.1.rt7.183.el8_6kernel-rt-debug-core-4.18.0-372.26.1.rt7.183.el8_6.x86_64.rpm
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Red Hat Enterprise Linux8.6x86_64kernel-rt-debug-devel4.18.0-372.26.1.rt7.183.el8_6kernel-rt-debug-devel-4.18.0-372.26.1.rt7.183.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6x86_64kernel-rt-debug-kvm4.18.0-372.26.1.rt7.183.el8_6kernel-rt-debug-kvm-4.18.0-372.26.1.rt7.183.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6x86_64kernel-rt-debug-modules4.18.0-372.26.1.rt7.183.el8_6kernel-rt-debug-modules-4.18.0-372.26.1.rt7.183.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6x86_64kernel-rt-debug-modules-extra4.18.0-372.26.1.rt7.183.el8_6kernel-rt-debug-modules-extra-4.18.0-372.26.1.rt7.183.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6x86_64kernel-rt-debuginfo4.18.0-372.26.1.rt7.183.el8_6kernel-rt-debuginfo-4.18.0-372.26.1.rt7.183.el8_6.x86_64.rpm
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28 Jun 2026 12:37Current
6.5Medium risk
Vulners AI Score6.5
CVSS 22.1
CVSS 3.15.5
EPSS0.06155
SSVC
CWE-459
multi core buffersshared buffers cleanupinformation disclosurelocal accessIntel processors
7