CVE-2016-7907 — Improper Input Validation in Qemu

CWE-20 — Improper Input ValidationCWE-399CWE-835 — Infinite Loop10 documents7 sources
Severity
4.4MEDIUMNVD
OSV5.5
EPSS
0.1%
top 70.40%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
QemuDebian Qemu
Timeline
PublishedOct 5
Latest updateMay 13

Description

The imx_fec_do_tx function in hw/net/imx_fec.c in QEMU (aka Quick Emulator) does not properly limit the buffer descriptor count when transmitting packets, which allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via vectors involving a buffer descriptor with a length of 0 and crafted values in bd.flags.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HExploitability: 0.8 | Impact: 3.6

Affected Packages4 packages

▶debiandebian/qemu< qemu 1:2.8+dfsg-3 (bookworm)
▶Debianqemu/qemu< 1:2.8+dfsg-3+3
▶Ubuntuqemu/qemu< 2.0.0+dfsg-2ubuntu1.33+1
▶NVDqemu/qemu2.8.1.1+1

Patches

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

🔴Vulnerability Details

3
GHSA
GHSA-9mcc-p2hp-9p52: The imx_fec_do_tx function in hw/net/imx_fec↗2022-05-13
▶
OSV
qemu vulnerabilities↗2017-04-20
▶
OSV
CVE-2016-7907: The imx_fec_do_tx function in hw/net/imx_fec↗2016-10-05
▶

📋Vendor Advisories

3
Ubuntu
QEMU vulnerabilities↗2017-04-20
▶
Red Hat
Qemu: net: inifinte loop in imx_fec_do_tx() function↗2016-09-21
▶
Debian
CVE-2016-7907: qemu - The imx_fec_do_tx function in hw/net/imx_fec.c in QEMU (aka Quick Emulator) does...↗2016
▶

💬Community

3
Bugzilla
CVE-2016-7907 qemu: qemu-kvm: Inifinte loop in imx_fec_do_tx() function [fedora-all]↗2016-10-03
▶
Bugzilla
CVE-2016-7907 xen: qemu-kvm: Inifinte loop in imx_fec_do_tx() function [fedora-all]↗2016-10-03
▶
Bugzilla
CVE-2016-7907 Qemu: net: inifinte loop in imx_fec_do_tx() function↗2016-04-14
▶