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Fencer Intel
high 7.4

CVE-2012-0029 json

Heap-based buffer overflow in the process_tx_desc function in the e1000 emulation (hw/e1000.c) in qemu-kvm 0.12, and possibly other version…

published 2012-01-27 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-0069

cvss
7.4
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
0
none known

Summary

Heap-based buffer overflow in the process_tx_desc function in the e1000 emulation (hw/e1000.c) in qemu-kvm 0.12, and possibly other versions, allows guest OS users to cause a denial of service (QEMU crash) and possibly execute arbitrary code via crafted legacy mode packets.

Patch / fix

  • xen Debian 14, Debian 13, Debian 12 4.1.3~rc1+hg-20120614.a9c0a89c08f2-1

debian advisories DEBIAN-CVE-2012-0029

  • kvm RHEL 5 VIRTUALIZATION 83-239.el5_7.1
  • kmod-kvm RHEL 5 VIRTUALIZATION 83-239.el5_7.1
  • kvm-tools RHEL 5 VIRTUALIZATION 83-239.el5_7.1
  • kvm-qemu-img RHEL 5 VIRTUALIZATION 83-239.el5_7.1
  • xen RHEL 5 VIRTUALIZATION, RHEL 5 3.0.3-135.el5_8.2
  • xen-libs RHEL 5 3.0.3-135.el5_8.2
  • rhev-hypervisor6 RHEL 6 6.2-20120209.0.el6_2
  • rhev-hypervisor6-tools RHEL 6 6.2-20120209.0.el6_2

red hat advisories RHSA-2012:0051RHSA-2012:0370RHSA-2012:0109RHSA-2012:0050

  • xen openSUSE Tumbleweed 4.7.0_12-1.3

opensuse advisories openSUSE-SU-2024:10196-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2012-0029 updated cvss 7.4

qemu: e1000: process_tx_desc legacy mode packets heap overflow

  • Red Hat Enterprise Linux 5 kvm
    affected: no fix available
  • Red Hat Enterprise Linux (v. 5 server) xen 3.0.3-135.el5_8.2, xen-libs 3.0.3-135.el5_8.2 Red Hat Enterprise Linux Desktop (v. 5 client) xen 3.0.3-135.el5_8.2, xen-libs 3.0.3-135.el5_8.2
    fixed: vendor fix RHSA-2012:0370
  • Red Hat Enterprise Linux Desktop (v. 6) qemu-img 0.12.1.2-2.209.el6_2.4, qemu-kvm 0.12.1.2-2.209.el6_2.4, qemu-kvm-tools 0.12.1.2-2.209.el6_2.4 Red Hat Enterprise Linux HPC Node (v. 6) qemu-img 0.12.1.2-2.209.el6_2.4, qemu-kvm 0.12.1.2-2.209.el6_2.4, qemu-kvm-tools 0.12.1.2-2.209.el6_2.4 Red Hat Enterprise Linux Server (v. 6) qemu-img 0.12.1.2-2.209.el6_2.4, qemu-kvm 0.12.1.2-2.209.el6_2.4, qemu-kvm-tools 0.12.1.2-2.209.el6_2.4 Red Hat Enterprise Linux Workstation (v. 6) qemu-img 0.12.1.2-2.209.el6_2.4, qemu-kvm 0.12.1.2-2.209.el6_2.4, qemu-kvm-tools 0.12.1.2-2.209.el6_2.4
    fixed: vendor fix RHSA-2012:0050
  • Red Hat RHEL Desktop Multi OS (v. 5 client) kvm 83-239.el5_7.1, xen 3.0.3-135.el5_8.2, kmod-kvm 83-239.el5_7.1, kvm-tools 83-239.el5_7.1, kvm-qemu-img 83-239.el5_7.1 Red Hat RHEL Virtualization (v. 5 server) kvm 83-239.el5_7.1, xen 3.0.3-135.el5_8.2, kmod-kvm 83-239.el5_7.1, kvm-tools 83-239.el5_7.1, kvm-qemu-img 83-239.el5_7.1
    fixed: vendor fix RHSA-2012:0370
  • Red Hat RHEV Hypervisor for RHEL-6 rhev-hypervisor6 6.2-20120209.0.el6_2, rhev-hypervisor6-tools 6.2-20120209.0.el6_2
    fixed: vendor fix RHSA-2012:0109

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.90% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.4 AV:A/AC:M/Au:S/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.