5.5

CVE-2019-20811: canonical ubuntu_linux

Modified
AliasesUBUNTU-CVE-2019-20811DEBIAN-CVE-2019-20811
Published 03-06-2020Last modified 05-08-2024

Vulnerability summary

CVE-2019-20811 is a medium (CVSS 5.5) vulnerability in canonical ubuntu_linux. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 38.2% 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
0.44%
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 12 · Related 7
DLA-2242-1DSA-4698-1RHSA-2019:3517RHSA-2020:5023RHSA-2020:5026SUSE-SU-2022:1651-1

Timeline

  1. 03-06-2020
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in the Linux kernel before 5.0.6. In rx_queue_add_kobject() and netdev_queue_add_kobject() in net/core/net-sysfs.c, a reference count is mishandled, aka CID-a3e23f719f5c.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.44%

Chance of exploitation in the next 30 days

Percentile

38%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.44% 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

No weakness data has been published for this record.

Affected systems

Version check

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

Ubuntu28 products
  • linuxAll versions (No fix recorded) | < 4.4.0-190.220 | < 4.15.0-60.67
  • linux-aws< 4.4.0-1078.82 | < 4.4.0-1114.127 | < 4.15.0-1047.49
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
  • linux-aws-hwe< 4.15.0-1047.49~16.04.1
Debian2 products
Canonical1 product
Linux1 product

4 vendors · 32 products

References

10 links