Recently, Google noted a rise in CPU vulnerabilities this year, as August disclosures reveal the following vulnerabilities for the Intel and AMD CPUs:- Downfall (CVE-2022-40982) for Intel CPUs Zenbleed (CVE-2023-20593) for AMD CPUs Besides this, Google recently identified a new CPU vulnerability affecting CPUs from both Intel and AMD, and this vulnerability has been tracked as “CVE-2023-23583,” which is dubbed “Reptar.” Reptar New CPU Vulnerability The escalating trend of vulnerabilities poses a threat to billions of personal and cloud computers.  Google’s InfoSec team reported the flaw to Intel, who swiftly disclosed and mitigated the flaw with industry collaboration. A Google researcher found CPU vulnerability in interpreting redundant prefixes, enabling security bypass.

Source: GBHackers