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xen vulnerabilities

CVEs whose affected-version data names the xen package. Each record lists the affected and patched versions; check a specific version with the dependency checker or POST /api/sbom.

4 CVEsRSS

CVE-2026-79603Medium· 4.3
1mo ago

x86 PV guests can free memory pages while still keeping a stale TLB entry pointing to them

x86 PV guests can free memory pages while still keeping a stale TLB entry pointing to them. A TLB flush is only issued by Xen (if needed) when the page is re-used. Since it's possible for the page to be scrubbed ahead of the TLB flush,…

▾ SunlitXen · XenEPSS 0.22%via NVD
CVE-2026-79602High· 8.8⚖ disputed
1mo ago

A guest with a PCI device assigned that has at least a BAR on the IO port space can trigger a BUG() in Xen.

A guest with a PCI device assigned that has at least a BAR on the IO port space can trigger a BUG() in Xen.

▾ TwilightXen · XenEPSS 0.13%via NVD
CVE-2026-62437Medium· 6.5
1mo ago

When guests are terminated, various pieces of cleanup need carrying out. The cleaning up of PCI devices which were assigned to guests, and the associated removal of tracking structures for IRQs used by the devices occurs relatively early…

When guests are terminated, various pieces of cleanup need carrying out. The cleaning up of PCI devices which were assigned to guests, and the associated removal of tracking structures for IRQs used by the devices occurs relatively early…

▾ SunlitXen · XenEPSS 0.10%via NVD
CVE-2022-23960Medium· 5.6
4y ago

Certain Arm Cortex and Neoverse processors through 2022-03-08 do not properly restrict cache speculation, aka Spectre-BHB

Certain Arm Cortex and Neoverse processors through 2022-03-08 do not properly restrict cache speculation, aka Spectre-BHB. An attacker can leverage the shared branch history in the Branch History Buffer (BHB) to influence mispredicted br…

▾ Sunlitxen · xenEPSS 0.50%via NVD
xen vulnerabilities (CVEs) · VulnSea