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Fencer Intel
high 7.5

CVE-2017-8309 json

Memory leak in the audio/audio.c in QEMU (aka Quick Emulator) allows remote attackers to cause a denial of service (memory consumption) by…

published 2017-05-23 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-17270

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.5%
EPSS 4.5% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

Memory leak in the audio/audio.c in QEMU (aka Quick Emulator) allows remote attackers to cause a denial of service (memory consumption) by repeatedly starting and stopping audio capture.

Patch / fix

  • qemu Debian 14, Debian 13, Debian 12 1:2.8+dfsg-5

debian advisories DEBIAN-CVE-2017-8309

  • qemu Ubuntu 14.04 LTS 2.0.0+dfsg-2ubuntu1.34
  • qemu Ubuntu 16.04 LTS 1:2.5+dfsg-5ubuntu10.14

ubuntu advisories UBUNTU-CVE-2017-8309

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • qemu-kvm-rhev openstack 11, openstack 10, openstack 9 +3 more 10:2.9.0-10.el7
  • qemu-img-rhev openstack 11, openstack 10, openstack 9 +3 more 10:2.9.0-10.el7
  • qemu-kvm-tools-rhev openstack 11, openstack 10, openstack 9 +3 more 10:2.9.0-10.el7
  • qemu-kvm-common-rhev openstack 11, openstack 10, openstack 9 +3 more 10:2.9.0-10.el7

red hat advisories RHSA-2017:2408

  • kvm SLES 11 SP3-TERADATA, SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 1.4.2-53.11.1
  • kvm SLES for SAP 11 SP4, SLES 11 SP4 1.4.2-60.3.1
  • qemu SLES for SAP 12 SP1, SLES 12 SP1-LTSS, OpenStack Cloud 6 2.3.1-33.3.3
  • xen SLES for SAP 12 SP1, SLES 12 SP1-LTSS, OpenStack Cloud 6 4.5.5_12-22.18.1
  • qemu SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2, SLES 12 SP2 +1 more 2.6.2-41.16.1
  • xen SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 4.4.4_20-60.3
  • xen SLES for SAP 12 SP2, SLES 12 SP2, SLED 12 SP2 +1 more 4.7.2_06-42.1
  • xen SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 4.2.5_21-44.1

suse advisories SUSE-SU-2017:3084-1SUSE-SU-2017:2969-1SUSE-SU-2017:2963-1SUSE-SU-2017:2946-1SUSE-SU-2017:1812-1SUSE-SU-2017:1795-1

  • qemu openSUSE Tumbleweed 6.1.0-32.1
  • xen openSUSE Tumbleweed 4.15.1_01-1.2

opensuse advisories openSUSE-SU-2024:11287-1openSUSE-SU-2024:11520-1

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-2017-8309 updated cvss 3.0

Qemu: audio: host memory leakage via capture buffer

  • Red Hat Enterprise Linux 5 kvm, xen Red Hat Enterprise Linux 6 qemu-img, qemu-kvm, qemu-kvm-tools, qemu-guest-agent, qemu-guest-agent-win32 Red Hat Enterprise Linux 7 qemu-img, qemu-kvm, libcacard, qemu-kvm-rhev, qemu-kvm-tools, libcacard-tools, +2 more Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) qemu-kvm-rhev
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 qemu-img-rhev 2.9.0-10.el7, qemu-kvm-rhev 2.9.0-10.el7, qemu-kvm-tools-rhev 2.9.0-10.el7, qemu-kvm-common-rhev 2.9.0-10.el7 Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 qemu-img-rhev 2.9.0-10.el7, qemu-kvm-rhev 2.9.0-10.el7, qemu-kvm-tools-rhev 2.9.0-10.el7, qemu-kvm-common-rhev 2.9.0-10.el7 Red Hat OpenStack Platform 8.0 (Liberty) qemu-img-rhev 2.9.0-10.el7, qemu-kvm-rhev 2.9.0-10.el7, qemu-kvm-tools-rhev 2.9.0-10.el7, qemu-kvm-common-rhev 2.9.0-10.el7 Red Hat OpenStack Platform 9.0 qemu-img-rhev 2.9.0-10.el7, qemu-kvm-rhev 2.9.0-10.el7, qemu-kvm-tools-rhev 2.9.0-10.el7, qemu-kvm-common-rhev 2.9.0-10.el7 Red Hat OpenStack Platform 10.0 qemu-img-rhev 2.9.0-10.el7, qemu-kvm-rhev 2.9.0-10.el7, qemu-kvm-tools-rhev 2.9.0-10.el7, qemu-kvm-common-rhev 2.9.0-10.el7 Red Hat OpenStack Platform 11.0 qemu-img-rhev 2.9.0-10.el7, qemu-kvm-rhev 2.9.0-10.el7, qemu-kvm-tools-rhev 2.9.0-10.el7, qemu-kvm-common-rhev 2.9.0-10.el7
    fixed: vendor fix RHSA-2017:2408

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

4.54% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 7.8 AV:N/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-772 Missing Release of Resource after Effective Lifetime

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.