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hw: Special Register Buffer Data Sampling (SRBDS)

🗓️ 09 Jun 2020 18:15:00Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 6 Views

SRBDS leaks internal register data via code on any core; unprivileged attackers can infer cryptographic values.

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Tenable Nessus		Amazon Linux 2 : kernel (ALASKERNEL-5.4-2022-012)
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Red Hat Enterprise Linux8.2x86_64microcode_ctl4:20191115-4.20200602.2.el8_2microcode_ctl-4:20191115-4.20200602.2.el8_2.x86_64.rpm

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28 Jun 2026 09:03Current
7High risk
Vulners AI Score7
CVSS 22.1
CVSS 3.15.5
EPSS0.0054
Special Register BufferData SamplingDomain BypassTransient ExecutionInternal RegistersUnprivileged AttackerCryptographic ValuesLocal Attack
6