CVE-2018-16847 — Out-of-bounds Write in Qemu

CWE-787 — Out-of-bounds WriteCWE-125 — Out-of-bounds Read9 documents7 sources
Severity
7.8HIGHNVD
OSV6.5
EPSS
0.1%
top 74.49%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
QemuDebian QemuCanonical Ubuntu Linux
Timeline
PublishedNov 2
Latest updateMay 13

Description

An OOB heap buffer r/w access issue was found in the NVM Express Controller emulation in QEMU. It could occur in nvme_cmb_ops routines in nvme device. A guest user/process could use this flaw to crash the QEMU process resulting in DoS or potentially run arbitrary code with privileges of the QEMU process.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages4 packages

▶debiandebian/qemu< qemu 1:3.1+dfsg-1 (bookworm)
▶Debianqemu/qemu< 1:3.1+dfsg-1+3
▶Ubuntuqemu/qemu< 2.0.0+dfsg-2ubuntu1.44+2
▶NVDqemu/qemu3.0.0+1

Also affects: Ubuntu Linux 14.04, 16.04, 18.04, 18.10

Patches

Patch: bugzilla.redhat.com ↗Patch: lists.gnu.org ↗Patch: www.openwall.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-pxrw-p8g9-545p: An OOB heap buffer r/w access issue was found in the NVM Express Controller emulation in QEMU↗2022-05-13
▶
OSV
qemu vulnerabilities↗2018-11-26
▶
OSV
CVE-2018-16847: An OOB heap buffer r/w access issue was found in the NVM Express Controller emulation in QEMU↗2018-11-02
▶

📋Vendor Advisories

3
Ubuntu
QEMU vulnerabilities↗2018-11-26
▶
Red Hat
QEMU: nvme: Out-of-bounds r/w buffer access in cmb operations↗2018-11-01
▶
Debian
CVE-2018-16847: qemu - An OOB heap buffer r/w access issue was found in the NVM Express Controller emul...↗2018
▶

💬Community

2
Bugzilla
CVE-2018-16847 qemu: nvme: Out-of-bounds r/w buffer access in cmb operations [fedora-all]↗2018-11-02
▶
Bugzilla
CVE-2018-16847 QEMU: nvme: Out-of-bounds r/w buffer access in cmb operations↗2018-10-29
▶