CVE-2016-9916 — Missing Release of Memory after Effective Lifetime in Qemu

CWE-401 — Missing Release of Memory after Effective LifetimeCWE-244 — Heap Inspection10 documents7 sources
Severity
6.5MEDIUMNVD
OSV5.5
EPSS
0.1%
top 78.32%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
QemuDebian QemuDebian Linux
Timeline
PublishedDec 29
Latest updateMay 13

Description

Memory leak in hw/9pfs/9p-proxy.c in QEMU (aka Quick Emulator) allows local privileged guest OS users to cause a denial of service (host memory consumption and possibly QEMU process crash) by leveraging a missing cleanup operation in the proxy backend.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:HExploitability: 2.0 | Impact: 4.0

Affected Packages4 packages

▶NVDqemu/qemu< 2.8.0+1
▶debiandebian/qemu< qemu 1:2.8+dfsg-1 (bookworm)
▶Debianqemu/qemu< 1:2.8+dfsg-1+3
▶Ubuntuqemu/qemu< 2.0.0+dfsg-2ubuntu1.33+1

Also affects: Debian Linux 8.0

Patches

Patch: lists.gnu.org ↗Patch: lists.gnu.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-hphm-mg6m-84m8: Memory leak in hw/9pfs/9p-proxy↗2022-05-13
▶
OSV
qemu vulnerabilities↗2017-04-20
▶
OSV
CVE-2016-9916: Memory leak in hw/9pfs/9p-proxy↗2016-12-29
▶

📋Vendor Advisories

3
Ubuntu
QEMU vulnerabilities↗2017-04-20
▶
Red Hat
Qemu: 9pfs: memory leakage via proxy/handle callbacks↗2016-11-21
▶
Debian
CVE-2016-9916: qemu - Memory leak in hw/9pfs/9p-proxy.c in QEMU (aka Quick Emulator) allows local priv...↗2016
▶

💬Community

3
Bugzilla
CVE-2016-9913 CVE-2016-9914 CVE-2016-9915 CVE-2016-9916 Qemu: 9pfs: memory leakage via proxy/handle callbacks [fedora-all]↗2016-12-07
▶
Bugzilla
CVE-2016-9913 CVE-2016-9914 CVE-2016-9915 CVE-2016-9916 xen: Qemu: 9pfs: memory leakage via proxy/handle callbacks [fedora-all]↗2016-12-07
▶
Bugzilla
CVE-2016-9913 CVE-2016-9914 CVE-2016-9915 CVE-2016-9916 Qemu: 9pfs: memory leakage via proxy/handle callbacks↗2016-12-07
▶