CVE-2016-6836 — Improper Initialization in Qemu

CWE-665 — Improper InitializationCWE-200 — Sensitive Information Exposure8 documents7 sources
Severity
6.0MEDIUMNVD
OSV5.5
EPSS
0.1%
top 77.53%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
QemuDebian QemuDebian Linux
Timeline
PublishedDec 10
Latest updateMay 13

Description

The vmxnet3_complete_packet function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to obtain sensitive host memory information by leveraging failure to initialize the txcq_descr object.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:NExploitability: 1.5 | Impact: 4.0

Affected Packages4 packages

▶debiandebian/qemu< qemu 1:2.6+dfsg-3.1 (bookworm)
▶Debianqemu/qemu< 1:2.6+dfsg-3.1+3
▶Ubuntuqemu/qemu< 2.0.0+dfsg-2ubuntu1.30+1
▶NVDqemu/qemu2.7.1

Also affects: Debian Linux 8.0

Patches

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

🔴Vulnerability Details

3
GHSA
GHSA-rpvr-65rv-4fvq: The vmxnet3_complete_packet function in hw/net/vmxnet3↗2022-05-13
▶
OSV
CVE-2016-6836: The vmxnet3_complete_packet function in hw/net/vmxnet3↗2016-12-10
▶
OSV
qemu, qemu-kvm vulnerabilities↗2016-11-09
▶

📋Vendor Advisories

3
Ubuntu
QEMU vulnerabilities↗2016-11-09
▶
Red Hat
Qemu: net: vmxnet: Information leakage in vmxnet3_complete_packet↗2016-08-11
▶
Debian
CVE-2016-6836: qemu - The vmxnet3_complete_packet function in hw/net/vmxnet3.c in QEMU (aka Quick Emul...↗2016
▶

💬Community

1
Bugzilla
CVE-2016-6836 Qemu: net: vmxnet: Information leakage in vmxnet3_complete_packet↗2016-08-11
▶