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TI-2015-06242 Aliases CVE-2015-7504GHSA-55jf-8f2x-33wf

Heap-based buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU allows…

Priority LOW 39CWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 6 fixed, 2 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.

Summary

Heap-based buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU allows guest OS administrators to cause a denial of service (instance crash) or possibly execute arbitrary code via a series of packets in loopback mode.

Why it matters now

EPSS 0.00642 51st percentileScored 2026-11-07
Fix Partial Red Hat: 3 advisoriesRed Hat: 6 fixed, 2 without a fix

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 · 7

CPEVersionsRoleVendor
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*up to 2.4.1VulnerableQEMU
cpe:2.3:a:qemu:qemu:2.5.0:rc0:*:*:*:*:*:*2.5.0 rc0VulnerableQEMU
cpe:2.3:a:qemu:qemu:2.5.0:rc1:*:*:*:*:*:*2.5.0 rc1VulnerableQEMU
cpe:2.3:a:qemu:qemu:2.5.0:rc2:*:*:*:*:*:*2.5.0 rc2VulnerableQEMU
cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*all versionsVulnerableXen
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*7.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
  • cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* Versions up to 2.4.1 Vulnerable ·QEMU
  • cpe:2.3:a:qemu:qemu:2.5.0:rc0:*:*:*:*:*:* Versions 2.5.0 rc0 Vulnerable ·QEMU
  • cpe:2.3:a:qemu:qemu:2.5.0:rc1:*:*:*:*:*:* Versions 2.5.0 rc1 Vulnerable ·QEMU
  • cpe:2.3:a:qemu:qemu:2.5.0:rc2:*:*:*:*:*:* Versions 2.5.0 rc2 Vulnerable ·QEMU
  • cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Xen
  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian

Remediation

Red Hat 3 advisories

  • RHSA-2015:2694 Released 2015-12-22 · Red Hat rating Important
    qemu-kvm security update
    • Red Hat Enterprise Linux Desktop (v. 6) qemu-guest-agent-2:0.12.1.2-2.479.el6_7.3, qemu-img-2:0.12.1.2-2.479.el6_7.3, qemu-kvm-2:0.12.1.2-2.479.el6_7.3 +1
    • Red Hat Enterprise Linux HPC Node (v. 6) qemu-guest-agent-2:0.12.1.2-2.479.el6_7.3, qemu-img-2:0.12.1.2-2.479.el6_7.3, qemu-kvm-2:0.12.1.2-2.479.el6_7.3 +1
    • Red Hat Enterprise Linux Server (v. 6) qemu-guest-agent-2:0.12.1.2-2.479.el6_7.3, qemu-img-2:0.12.1.2-2.479.el6_7.3, qemu-kvm-2:0.12.1.2-2.479.el6_7.3 +1
    • Red Hat Enterprise Linux Workstation (v. 6) qemu-guest-agent-2:0.12.1.2-2.479.el6_7.3, qemu-img-2:0.12.1.2-2.479.el6_7.3, qemu-kvm-2:0.12.1.2-2.479.el6_7.3 +1
  • RHSA-2015:2695 Released 2015-12-22 · Red Hat rating Important
    qemu-kvm-rhev security update
    • Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 qemu-img-rhev-2:0.12.1.2-2.479.el6_7.3, qemu-kvm-rhev-2:0.12.1.2-2.479.el6_7.3, qemu-kvm-rhev-tools-2:0.12.1.2-2.479.el6_7.3
  • RHSA-2015:2696 Released 2015-12-22 · Red Hat rating Important
    qemu-kvm-rhev security update
    • RHEV Agents (vdsm) qemu-img-rhev-2:0.12.1.2-2.479.el6_7.3, qemu-kvm-rhev-2:0.12.1.2-2.479.el6_7.3, qemu-kvm-rhev-tools-2:0.12.1.2-2.479.el6_7.3

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Virtualization 3AffectedNo fix yet
RHEV Agents (vdsm)Fixed RHSA-2015:2696
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2015:2694
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2015:2694
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6Fixed RHSA-2015:2695
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2015:2694
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2015:2694
Not affected: 4 products
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux OpenStack Platform 6 (Juno)
  • Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)
  • Red Hat OpenStack Platform 8 (Liberty)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-7504
  2. 2026-10-03 Alias added: GHSA-55jf-8f2x-33wf
  3. 2026-10-21 EPSS moved to the 50th–90th percentile

References

Patch 5

Advisory 6

Sources

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