CVE-2018-20126 — 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
0.1%
top 70.58%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
QemuDebian QemuCanonical Ubuntu Linux+1 more
Timeline
PublishedDec 20
Latest updateMay 13

Description

hw/rdma/vmw/pvrdma_cmd.c in QEMU allows create_cq and create_qp memory leaks because errors are mishandled.

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 Packages5 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
▶NVDopensuse/leap15.0, 15.1+1

Also affects: 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-23f5-q32q-xcxm: hw/rdma/vmw/pvrdma_cmd↗2022-05-13
▶
OSV
qemu vulnerabilities↗2019-03-27
▶
OSV
CVE-2018-20126: hw/rdma/vmw/pvrdma_cmd↗2018-12-20
▶

📋Vendor Advisories

3
Ubuntu
QEMU vulnerabilities↗2019-03-27
▶
Red Hat
QEMU: pvrdma: memory leakage when creating cq/qp↗2018-12-11
▶
Debian
CVE-2018-20126: qemu - hw/rdma/vmw/pvrdma_cmd.c in QEMU allows create_cq and create_qp memory leaks bec...↗2018
▶

💬Community

2
Bugzilla
CVE-2018-20126 QEMU: pvrdma: memory leakage when creating cq/qp↗2018-12-19
▶
Bugzilla
CVE-2018-20126 qemu: pvrdma: memory leakage when creating cq/qp [fedora-all]↗2018-12-19
▶