Xen
CVE-2026-102703: [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] A common access pattern is a b
CVE-2026-102703 Nov 4, 2026 Source: Vendor
[This CNA information record relates to multiple CVEs; the
text explains which aspects/vulnerabilities correspond to which CVE.]
A common access pattern is a batch of Grant Copy operations acting on
adjacent address ranges in the same source or destination page. For
performance reasons, Xen caches details internally to reuse already
validated data. The conditions on when to re-validate the internal data
were not correct in some cases:
- Frame numbers and grant references could wrongly be mi
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://nvd.nist.gov/vuln/detail/CVE-2026-102703
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CVE-2026-102703
BR2026-0000-042218
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Credited as Anthropic using Claude, then validated by Stephan Lipp of Ada Logics. It was then independently reported by the CodeAnt AI Security Research Team