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CVE-2014-8594

MEDIUM · CVSS 5.4EPSS 2.2%EU EUVD

The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).

Key facts

CVSS score
5.4 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:H/Au:N/C:N/I:N/A:C
Weakness (CWE)
CWE-20
EPSS score
2.2% (83th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2014-8431)
Published
November 19, 2014
NVD last modified
June 17, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-8431 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • debian / debian linux
  • opensuse / opensuse
  • opensuse / opensuse
  • xen / xen
  • xen / xen
  • xen / xen
  • xen / xen
  • xen / xen
  • xen / xen
  • xen / xen
  • xen / xen
  • xen / xen
  • xen / xen
  • xen / xen
  • xen / xen
  • xen / xen
  • xen / xen
  • xen / xen
  • xen / xen
  • xen / xen
  • xen / xen

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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