CVE-2016-7422 — Classic Buffer Overflow in Qemu

CWE-120 — Classic Buffer OverflowCWE-476 — NULL Pointer Dereference10 documents8 sources
Severity
6.0MEDIUMNVD
EPSS
0.1%
top 73.85%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
QemuOpensuse LeapRedhat Openstack+1 more
Timeline
PublishedDec 10
Latest updateMay 13

Description

The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via a large I/O descriptor buffer length value.

CVSS vector

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

Affected Packages5 packages

▶Debianqemu/qemu< 1:2.7+dfsg-1+3
▶NVDqemu/qemu2.7.1
▶NVDopensuse/leap42.2
▶NVDredhat/openstack6 versions+5

Patches

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

🔴Vulnerability Details

4
GHSA
GHSA-fp4p-m87h-5fx8: The virtqueue_map_desc function in hw/virtio/virtio↗2022-05-13
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CVEList
CVE-2016-7422: The virtqueue_map_desc function in hw/virtio/virtio↗2016-12-10
▶
OSV
CVE-2016-7422: The virtqueue_map_desc function in hw/virtio/virtio↗2016-12-10
▶
OSV
perl vulnerabilities↗2016-03-02
▶

📋Vendor Advisories

3
Ubuntu
QEMU vulnerabilities↗2016-11-09
▶
Red Hat
Qemu: virtio: null pointer dereference in virtqueu_map_desc↗2016-09-15
▶
Debian
CVE-2016-7422: qemu - The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulato...↗2016
▶

💬Community

2
Bugzilla
CVE-2016-7422 Qemu: virtio: null pointer dereference in virtqueu_map_desc↗2016-09-16
▶
Bugzilla
CVE-2016-7422 Qemu: virtio: null pointer dereference in virtqueu_map_desc [fedora-all]↗2016-09-16
▶
CVE-2016-7422 — Classic Buffer Overflow in Qemu | cvebase