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Xen 3.0.3 through 4.1.x (possibly 4.1.6.1), 4.2.x (possibly 4.2.3), and 4.3.x (possibly 4.3.1) does not properly prevent access to hypercalls, which allows local guest users to gain privileges via a crafted application running in ring 1 or 2.
December 24, 2013
April 29, 2026
See which npm, PyPI, Go, and Maven packages are affected by CVE-2013-4554
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.