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hw: cpu: AMD: RetBleed Arbitrary Speculative Code Execution with Return Instructions

🗓️ 13 Dec 2022 16:08:56Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

A hardware flaw enables speculative code execution from mis-trained return predictions on processors.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.0x86_64kernel-rt0:5.14.0-70.36.1.rt21.108.el9_0kernel-rt-0:5.14.0-70.36.1.rt21.108.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-core0:5.14.0-70.36.1.rt21.108.el9_0kernel-rt-core-0:5.14.0-70.36.1.rt21.108.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug0:5.14.0-70.36.1.rt21.108.el9_0kernel-rt-debug-0:5.14.0-70.36.1.rt21.108.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-core0:5.14.0-70.36.1.rt21.108.el9_0kernel-rt-debug-core-0:5.14.0-70.36.1.rt21.108.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-debuginfo0:5.14.0-70.36.1.rt21.108.el9_0kernel-rt-debug-debuginfo-0:5.14.0-70.36.1.rt21.108.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-devel0:5.14.0-70.36.1.rt21.108.el9_0kernel-rt-debug-devel-0:5.14.0-70.36.1.rt21.108.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-kvm0:5.14.0-70.36.1.rt21.108.el9_0kernel-rt-debug-kvm-0:5.14.0-70.36.1.rt21.108.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-modules0:5.14.0-70.36.1.rt21.108.el9_0kernel-rt-debug-modules-0:5.14.0-70.36.1.rt21.108.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debug-modules-extra0:5.14.0-70.36.1.rt21.108.el9_0kernel-rt-debug-modules-extra-0:5.14.0-70.36.1.rt21.108.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0x86_64kernel-rt-debuginfo0:5.14.0-70.36.1.rt21.108.el9_0kernel-rt-debuginfo-0:5.14.0-70.36.1.rt21.108.el9_0.x86_64.rpm
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28 Jun 2026 12:13Current
7High risk
Vulners AI Score7
CVSS 22.1
CVSS 3.16.5
EPSS0.03764
SSVC
6