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TI-2019-07209 Aliases CVE-2019-9824GHSA-hx33-mww2-6mf5

tcp_emu in slirp/tcp_subr.c (aka slirp/src/tcp_subr.c) in QEMU 3.0.0 uses uninitialized…

Priority LOW 25CWE-908Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 15 fixed, 3 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-908 and the CVSS impact.

Summary

tcp_emu in slirp/tcp_subr.c (aka slirp/src/tcp_subr.c) in QEMU 3.0.0 uses uninitialized data in an snprintf call, leading to Information disclosure.

Why it matters now

EPSS 0.00515 44th percentileScored 2026-11-07
Fix Partial Red Hat: 5 advisoriesRed Hat: 15 fixed, 3 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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:qemu:qemu:3.0.0:*:*:*:*:*:*:*3.0.0VulnerableQEMU
  • cpe:2.3:a:qemu:qemu:3.0.0:*:*:*:*:*:*:* Versions 3.0.0 Vulnerable ·QEMU

Remediation

Red Hat 5 advisories

  • RHSA-2019:3345 Released 2019-11-05 · Red Hat rating Low
    virt:rhel security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder (v. 8) SLOF-20171214-6.gitfa98132.module+el8.1.0+4066+0f1aadab.src::virt-devel:rhel, hivex-1.3.15-7.module+el8.1.0+4066+0f1aadab.i686::virt-devel:rhel, hivex-devel-1.3.15-7.module+el8.1.0+4066+0f1aadab.i686::virt-devel:rhel +47
    • Red Hat Enterprise Linux AppStream (v. 8) SLOF-20171214-6.gitfa98132.module+el8.1.0+4066+0f1aadab.noarch::virt:rhel, SLOF-20171214-6.gitfa98132.module+el8.1.0+4066+0f1aadab.src::virt:rhel, hivex-1.3.15-7.module+el8.1.0+4066+0f1aadab.aarch64::virt:rhel +47
  • RHSA-2019:2553 Released 2019-08-22 · Red Hat rating Important
    qemu-kvm-rhev security, bug fix, and enhancement update
    • RHV-M 4.3 qemu-img-rhev-10:2.12.0-33.el7, qemu-kvm-common-rhev-10:2.12.0-33.el7, qemu-kvm-rhev-10:2.12.0-33.el7 +1
    • Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts qemu-img-rhev-10:2.12.0-33.el7, qemu-kvm-common-rhev-10:2.12.0-33.el7, qemu-kvm-rhev-10:2.12.0-33.el7 +1
  • RHSA-2019:2425 Released 2019-08-09 · Red Hat rating Important
    qemu-kvm-rhev security and bug fix update
    • Red Hat OpenStack Platform 10.0 qemu-img-rhev-10:2.12.0-33.el7, qemu-kvm-common-rhev-10:2.12.0-33.el7, qemu-kvm-rhev-10:2.12.0-33.el7 +1
    • Red Hat OpenStack Platform 13.0 qemu-img-rhev-10:2.12.0-33.el7, qemu-kvm-common-rhev-10:2.12.0-33.el7, qemu-kvm-rhev-10:2.12.0-33.el7 +1
    • Red Hat OpenStack Platform 14.0 qemu-img-rhev-10:2.12.0-33.el7, qemu-kvm-common-rhev-10:2.12.0-33.el7, qemu-kvm-rhev-10:2.12.0-33.el7 +1
Show 2 more Red Hat advisories
  • RHSA-2019:2078 Released 2019-08-06 · Red Hat rating Low
    qemu-kvm security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) qemu-img-10:1.5.3-167.el7, qemu-kvm-10:1.5.3-167.el7, qemu-kvm-common-10:1.5.3-167.el7 +1
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) qemu-img-10:1.5.3-167.el7, qemu-kvm-10:1.5.3-167.el7, qemu-kvm-common-10:1.5.3-167.el7 +1
    • Red Hat Enterprise Linux Server (v. 7) qemu-img-10:1.5.3-167.el7, qemu-kvm-10:1.5.3-167.el7, qemu-kvm-common-10:1.5.3-167.el7 +1
    • Red Hat Enterprise Linux Workstation (v. 7) qemu-img-10:1.5.3-167.el7, qemu-kvm-10:1.5.3-167.el7, qemu-kvm-common-10:1.5.3-167.el7 +1
  • RHSA-2019:1650 Released 2019-07-02 · Red Hat rating Low
    qemu-kvm security update
    • Red Hat Enterprise Linux Desktop (v. 6) qemu-guest-agent-2:0.12.1.2-2.506.el6_10.4, qemu-img-2:0.12.1.2-2.506.el6_10.4, qemu-kvm-2:0.12.1.2-2.506.el6_10.4 +1
    • Red Hat Enterprise Linux HPC Node (v. 6) qemu-guest-agent-2:0.12.1.2-2.506.el6_10.4, qemu-img-2:0.12.1.2-2.506.el6_10.4, qemu-kvm-2:0.12.1.2-2.506.el6_10.4 +1
    • Red Hat Enterprise Linux Server (v. 6) qemu-guest-agent-2:0.12.1.2-2.506.el6_10.4, qemu-img-2:0.12.1.2-2.506.el6_10.4, qemu-kvm-2:0.12.1.2-2.506.el6_10.4 +1
    • Red Hat Enterprise Linux Workstation (v. 6) qemu-guest-agent-2:0.12.1.2-2.506.el6_10.4, qemu-img-2:0.12.1.2-2.506.el6_10.4, qemu-kvm-2:0.12.1.2-2.506.el6_10.4 +1

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat OpenStack Platform 8 (Liberty)AffectedNo fix yet: Fix deferred
Red Hat OpenStack Platform 9 (Mitaka)AffectedNo fix yet: Fix deferred
RHV-M 4.3Fixed RHSA-2019:2553
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2019:3345
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2019:3345
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2019:2078
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2019:2078
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2019:1650
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2019:1650
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2019:1650
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2019:2078
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2019:1650
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2019:2078
Red Hat OpenStack Platform 10.0Fixed RHSA-2019:2425
Red Hat OpenStack Platform 13.0Fixed RHSA-2019:2425
Red Hat OpenStack Platform 14.0Fixed RHSA-2019:2425
Red Hat Virtualization 4 Management Agent for RHEL 7 HostsFixed RHSA-2019:2553
Not affected: 1 product
  • Red Hat Enterprise Linux 5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-9824
  2. 2026-10-03 Alias added: GHSA-hx33-mww2-6mf5

References

Patch 1

Advisory 6

  • TI-2024-16148 QEMU before 8.2.0 has an integer underflow, and resultant buffer overflow, via a TI… CVSS 3.1HIGH 8.8
  • TI-2022-02736 Uncontrolled resource consumption in QEMU CVSS 3.1HIGH 7.8
  • TI-2023-02681 Qemu: 9pfs: improper access control on special files CVSS 3.1HIGH 7.1
  • TI-2019-09678 The QMP migrate command in QEMU version 4.0.0 and earlier is vulnerable to OS command… CVSS 3.0CRITICAL 9.8
  • TI-2024-03326 Qemu-kvm: net: assertion failure in update_sctp_checksum() CVSS 3.1MEDIUM 5.5
  • TI-2023-22631 QEMU through 8.0.0 could trigger a division by zero in scsi_disk_reset in… CVSS 3.1MEDIUM 5.5
See all 418 →

Sources

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