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x86/AMD: Zenbleed

🗓️ 24 Jul 2023 16:03:00Reported by Xen ProjectType 
xen
 xen🔗 xenbits.xen.org👁 38 Views

Zenbleed hardware bug causing vector register corruption. Attacker can access data from sibling threads or privileged context. Low probability of data corruption leads to mis-calculations. For more details visit the provided links. Affects systems running all versions of Xen, specific to AMD Zen2 microarchitecture.

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31 Jul 2023 17:00Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.15.5
EPSS0.0844
SSVC
zenbleedhardware bugvector registersdata corruptionsibling threadsprivileged contextlow probabilitymis-calculationsxenamd zen2microarchitecture
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