CVE-2016-9102 json
Memory leak in the v9fs_xattrcreate function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a d…
published 2016-12-09 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-9923
- cvss
- 6.0
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 34%
- public exploits
- 0
- none known
Summary
Memory leak in the v9fs_xattrcreate function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) via a large number of Txattrcreate messages with the same fid number.
Patch / fix
- qemu Debian 14, Debian 13, Debian 12 1:2.8+dfsg-1
debian advisories DEBIAN-CVE-2016-9102
- qemu Ubuntu 14.04 LTS 2.0.0+dfsg-2ubuntu1.30
- qemu Ubuntu 16.04 LTS 1:2.5+dfsg-5ubuntu10.6
ubuntu advisories UBUNTU-CVE-2016-9102
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 SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2, SLES 12 SP2 +1 more 2.6.2-39.1
- qemu SLES for SAP 12 SP1, SLES 12 SP1, SLED 12 SP1 2.3.1-24.6
- kvm SLES for SAP 11 SP4, SLES 11 SP4 1.4.2-50.1
- qemu SLES for SAP 12, SLES 12-LTSS 2.0.2-48.25.1
suse advisories SUSE-SU-2017:0127-1SUSE-SU-2016:2988-1SUSE-SU-2016:2936-1SUSE-SU-2016:2902-1
- qemu openSUSE Tumbleweed 6.1.0-32.1
opensuse advisories openSUSE-SU-2024:11287-1
- qemu Alpine 3.24, Alpine 3.23, Alpine 3.22 +16 more 2.8.1-r1
- qemu Alpine 3.5 2.8.1.1-r0
alpine advisories ALPINE-CVE-2016-9102
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
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-2016-9102 updated cvss 3.0
Qemu: 9pfs: memory leakage when creating extended attribute
-
Red Hat Enterprise Linux 7 qemu-img, qemu-kvm, libcacard, qemu-kvm-rhev, qemu-kvm-tools, libcacard-tools, +2 moreaffected: no fix planned “Will not fix”
-
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 OpenStack Platform 5 (Icehouse) qemu-kvm-rhev Red Hat Enterprise Linux OpenStack Platform 6 (Juno) qemu-kvm-rhev Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) qemu-img-rhev, qemu-kvm-rhev, libcacard-rhev, qemu-kvm-tools-rhev, libcacard-devel-rhev, libcacard-tools-rhev, +1 more Red Hat OpenStack Platform 8 (Liberty) qemu-img-rhev, qemu-kvm-rhev, libcacard-rhev, qemu-kvm-tools-rhev, libcacard-devel-rhev, libcacard-tools-rhev, +1 morenot affected: vulnerable code not present
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
0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.0 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-772 Missing Release of Resource after Effective Lifetime
References
-
lists.gnu.org
/archive/html/qemu-devel/2016-10/msg01861.html
mailing-list, patch, third-party-advisory
-
security.gentoo.org
/glsa/201611-11
vendor-advisory, third-party-advisory
-
securityfocus.com
/bid/93962
vdb-entry, third-party-advisory
-
openwall.com
/lists/oss-security/2016/10/27/15
mailing-list, third-party-advisory
- git.qemu.org /?p=qemu.git%3Ba=commit%3Bh=ff55e94d23ae94c8628b0115320157c763eb3e06
-
openwall.com
/lists/oss-security/2016/10/30/6
mailing-list, third-party-advisory
-
lists.debian.org
/debian-lts-announce/2018/11/msg00038.html
mailing-list, third-party-advisory
Sources
- CVE List CVE-2016-9102
- NVD CVE-2016-9102
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.