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TI-2012-02267 Aliases CVE-2012-2625GHSA-87h8-hfg7-gxc3

The PyGrub boot loader in Xen unstable before changeset 25589:60f09d1ab1fe, 4.2.x, and…

Priority LOW 15CWE-20Published · Updated

Key facts

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

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

Summary

The PyGrub boot loader in Xen unstable before changeset 25589:60f09d1ab1fe, 4.2.x, and 4.1.x allows local para-virtualized guest users to cause a denial of service (memory consumption) via a large (1) bzip2 or (2) lzma compressed kernel image.

Why it matters now

EPSS 0.00923 60th 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 · 6

CPEVersionsRoleVendor
cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*4.1.0VulnerableXen
cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:*4.1.1VulnerableXen
cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:*4.1.2VulnerableXen
cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:*4.1.3VulnerableXen
cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*4.2.0VulnerableXen
cpe:2.3:o:xen:xen-unstable:*:*:*:*:*:*:*:*before 25589\:60f09d1ab1feVulnerableXen
  • cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:* Versions 4.1.0 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:* Versions 4.1.1 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:* Versions 4.1.2 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:* Versions 4.1.3 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:* Versions 4.2.0 Vulnerable ·Xen
  • cpe:2.3:o:xen:xen-unstable:*:*:*:*:*:*:*:* Versions before 25589\:60f09d1ab1fe Vulnerable ·Xen

Remediation

Red Hat 1 advisory

  • RHSA-2012:1130 Released 2012-07-31 · Red Hat rating Moderate
    xen security update
    • RHEL Desktop Multi OS (v. 5 client) xen-3.0.3-135.el5_8.4, xen-3.0.3-135.el5_8.4.i386, xen-devel-3.0.3-135.el5_8.4 +1
    • RHEL Virtualization (v. 5 server) xen-3.0.3-135.el5_8.4, xen-3.0.3-135.el5_8.4.i386, xen-3.0.3-135.el5_8.4.ia64 +3
    • Red Hat Enterprise Linux (v. 5 server) xen-3.0.3-135.el5_8.4, xen-libs-3.0.3-135.el5_8.4, xen-libs-3.0.3-135.el5_8.4.i386 +1
    • Red Hat Enterprise Linux Desktop (v. 5 client) xen-3.0.3-135.el5_8.4, xen-libs-3.0.3-135.el5_8.4, xen-libs-3.0.3-135.el5_8.4.i386

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
RHEL Desktop Multi OS (v. 5 client)Fixed RHSA-2012:1130
RHEL Virtualization (v. 5 server)Fixed RHSA-2012:1130
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2012:1130
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2012:1130

Timeline

  1. 2026-10-02 Threatist record created from CVE-2012-2625
  2. 2026-10-03 Alias added: GHSA-87h8-hfg7-gxc3

References

Advisory 10

Other 1

  • TI-2012-00210 The x86-64 kernel system-call functionality in Xen 4.1.2 and earlier, as used in Citrix… CVSS 2.0HIGH 7.2
  • TI-2023-07042 Information disclosure through error messages in AMD Ryzen™ 3000 Series Desktop… CVSS 3.1MEDIUM 5.5
  • TI-2015-04333 The C+ mode offload emulation in the RTL8139 network card device model in QEMU, as used… CVSS 2.0HIGH 9.3
  • TI-2015-06741 The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows… CVSS 3.1CRITICAL 10.0
  • TI-2018-06436 A statement in the System Programming Guide of the Intel 64 and IA-32 Architectures… CVSS 3.0HIGH 7.8
  • TI-2024-20522 x86: Incorrect logic for BTC/SRSO mitigations CVSS 3.1HIGH 7.5
See all 489 →

Sources

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