5.5

CVE-2018-20126: canonical ubuntu_linux

Modified
AliasesDEBIAN-CVE-2018-20126
Published 20-12-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-20126 is a medium (CVSS 5.5) vulnerability in canonical ubuntu_linux. EPSS estimates a 0.49% chance of exploitation in the next 30 days, higher than 42.2% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.49%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 6
OPENSUSE-SU-2019:2505-1OPENSUSE-SU-2019:2510-1OPENSUSE-SU-2024:11287-1SUSE-SU-2019:2954-1SUSE-SU-2019:2955-1SUSE-SU-2019:2956-1

Timeline

  1. 20-12-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.49%

Chance of exploitation in the next 30 days

Percentile

42%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.49% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Canonical1 product
Debian1 product
  • qemu< 1:4.1-1
Opensuse1 product
Qemu1 product

4 vendors · 4 products

References

7 links