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TI-2014-07243 Aliases CVE-2014-8867GHSA-jj57-646v-244j

The acceleration support for the "REP MOVS" instruction in Xen 4.4.x, 3.2.x, and earlier…

Priority LOW 23CWE-17Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Complete
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

The acceleration support for the "REP MOVS" instruction in Xen 4.4.x, 3.2.x, and earlier lacks properly bounds checking for memory mapped I/O (MMIO) emulated in the hypervisor, which allows local HVM guests to cause a denial of service (host crash) via unspecified vectors.

Why it matters now

EPSS 0.00465 40th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 11

CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*up to 3.2.0VulnerableXen
cpe:2.3:o:xen:xen:3.2.1:*:*:*:*:*:*:*3.2.1VulnerableXen
cpe:2.3:o:xen:xen:3.2.2:*:*:*:*:*:*:*3.2.2VulnerableXen
cpe:2.3:o:xen:xen:3.2.3:*:*:*:*:*:*:*3.2.3VulnerableXen
cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*4.4.0VulnerableXen
cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:*4.4.1VulnerableXen
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*7.0VulnerableDebian
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*13.1VulnerableopenSUSE
  • cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
  • cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* Versions up to 3.2.0 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:3.2.1:*:*:*:*:*:*:* Versions 3.2.1 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:3.2.2:*:*:*:*:*:*:* Versions 3.2.2 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:3.2.3:*:*:*:*:*:*:* Versions 3.2.3 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:* Versions 4.4.0 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:* Versions 4.4.1 Vulnerable ·Xen
  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
  • cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* Versions 13.1 Vulnerable ·openSUSE
Show 1 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*13.2VulnerableopenSUSE
  • cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* Versions 13.2 Vulnerable ·openSUSE

Remediation

Red Hat 1 advisory

  • RHSA-2015:0783 Released 2015-04-07 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-404.el5, kernel-2.6.18-404.el5.ia64, kernel-PAE-2.6.18-404.el5 +18
    • Red Hat Enterprise Linux Desktop (v. 5 client) kernel-2.6.18-404.el5, kernel-PAE-2.6.18-404.el5, kernel-PAE-devel-2.6.18-404.el5 +8

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2015:0783
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2015:0783

Timeline

  1. 2026-10-02 Threatist record created from CVE-2014-8867
  2. 2026-10-03 Alias added: GHSA-jj57-646v-244j

References

Patch 1

Advisory 5

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences