CVE-2018-20123 — Missing Release of Resource after Effective Lifetime in Qemu

CWE-772 — Missing Release of Resource after Effective Lifetime9 documents7 sources
Severity
5.5MEDIUMNVD
OSV7.8
EPSS
0.2%
top 63.88%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
QemuDebian QemuCanonical Ubuntu Linux+1 more
Timeline
PublishedDec 17
Latest updateMay 13

Description

pvrdma_realize in hw/rdma/vmw/pvrdma_main.c in QEMU has a Memory leak after an initialisation error.

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 1:4.1-1 (bookworm)
▶Debianqemu/qemu< 1:4.1-1+3
▶Ubuntuqemu/qemu< 2.0.0+dfsg-2ubuntu1.45+2
▶NVDqemu/qemu3.1.0

Also affects: Fedora 30, Ubuntu Linux 14.04, 16.04, 18.04, 18.10

Patches

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

🔴Vulnerability Details

3
GHSA
GHSA-67j6-97p5-8rwj: pvrdma_realize in hw/rdma/vmw/pvrdma_main↗2022-05-13
▶
OSV
qemu vulnerabilities↗2019-03-27
▶
OSV
CVE-2018-20123: pvrdma_realize in hw/rdma/vmw/pvrdma_main↗2018-12-17
▶

📋Vendor Advisories

3
Ubuntu
QEMU vulnerabilities↗2019-03-27
▶
Red Hat
QEMU: pvrdma: memory leakage in device hotplug↗2018-12-12
▶
Debian
CVE-2018-20123: qemu - pvrdma_realize in hw/rdma/vmw/pvrdma_main.c in QEMU has a Memory leak after an i...↗2018
▶

💬Community

2
Bugzilla
CVE-2018-20123 qemu: pvrdma: memory leakage in device hotplug [fedora-all]↗2018-12-13
▶
Bugzilla
CVE-2018-20123 QEMU: pvrdma: memory leakage in device hotplug↗2018-12-13
▶