CVE-2016-9776 — Infinite Loop in Qemu

CWE-835 — Infinite Loop9 documents7 sources
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 80.25%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
QemuDebian QemuDebian Linux
Timeline
PublishedDec 29
Latest updateMay 13

Description

QEMU (aka Quick Emulator) built with the ColdFire Fast Ethernet Controller emulator support is vulnerable to an infinite loop issue. It could occur while receiving packets in 'mcf_fec_receive'. A privileged user/process inside guest could use this issue to crash the QEMU process on the host leading to DoS.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶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
▶NVDqemu/qemu2.7.1+1

Also affects: Debian Linux 8.0

Patches

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

🔴Vulnerability Details

3
GHSA
GHSA-52m2-jxvj-qw6r: QEMU (aka Quick Emulator) built with the ColdFire Fast Ethernet Controller emulator support is vulnerable to an infinite loop issue↗2022-05-13
▶
OSV
qemu vulnerabilities↗2017-04-20
▶
OSV
CVE-2016-9776: QEMU (aka Quick Emulator) built with the ColdFire Fast Ethernet Controller emulator support is vulnerable to an infinite loop issue↗2016-12-29
▶

📋Vendor Advisories

3
Ubuntu
QEMU vulnerabilities↗2017-04-20
▶
Red Hat
Qemu: net: mcf_fec: infinite loop while receiving data in mcf_fec_receive↗2016-11-29
▶
Debian
CVE-2016-9776: qemu - QEMU (aka Quick Emulator) built with the ColdFire Fast Ethernet Controller emula...↗2016
▶

💬Community

2
Bugzilla
CVE-2016-9776 Qemu: net: mcf_fec: infinite loop while receiving data in mcf_fec_receive↗2016-12-02
▶
Bugzilla
CVE-2016-9776 Qemu: net: mcf_fec: infinite loop while receiving data in mcf_fec_receive [fedora-all]↗2016-12-02
▶