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CacheWarp Attack: New Vulnerability in AMD SEV Exposes Encrypted VMs

The Hacker Newsby @TheHackersNews ()3 min read4 · 2 reads
Analyze CVE-2023-20592 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2023-20583
A potential power side-channel vulnerability in AMD processors may allow an authenticated attacker to monitor the CPU power consumption as the data in a cache…
4.7<1%
CVE-2023-20592
Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache line write-back…
6.51%

From the original article

3 min read at thehackernews.com

 Ravie Lakshmanan  Nov 14, 2023 Hardware Security / Virtualization A group of academics has disclosed a new "software fault attack" on AMD's Secure Encrypted Virtualization ( SEV ) technology that could be potentially exploited by threat actors to infiltrate encrypted virtual machines (VMs) and even perform privilege escalation.

The Hacker News

By @TheHackersNews · thehackernews.com

Read the full article at The Hacker News

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.