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Fencer Vulns
medium 6.5

CVE-2019-0804 json

An information disclosure vulnerability exists in the way Azure WaLinuxAgent creates swap files on resource disks, aka 'Azure Linux Agent I…

published 2019-04-09 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-1560

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.2%
EPSS 5.2% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

An information disclosure vulnerability exists in the way Azure WaLinuxAgent creates swap files on resource disks, aka 'Azure Linux Agent Information Disclosure Vulnerability'.

Patch / fix

  • microsoft walinuxagent 2.2.38
  • waagent Debian 14, Debian 13, Debian 12 2.2.34-3

debian advisories DEBIAN-CVE-2019-0804

  • walinuxagent Ubuntu 14.04 LTS 2.2.32-0ubuntu1~14.04.2
  • walinuxagent Ubuntu 16.04 LTS 2.2.32-0ubuntu1~16.04.2
  • walinuxagent Ubuntu 18.04 LTS 2.2.32-0ubuntu1~18.04.2

ubuntu advisories UBUNTU-CVE-2019-0804

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • WALinuxAgent RHEL 8 2.2.32-1.el8_0.1

red hat advisories RHSA-2019:1527

  • python-azure-agent SLES 11-PUBCLOUD 2.2.45-28.8.1
  • python-azure-agent SLE Module for Public Cloud 15 SP1 2.2.45-3.3.1
  • python-azure-agent SLE Module for Public Cloud 12 2.2.45-34.20.1
  • python-azure-agent SLE Module for Public Cloud 15 2.2.45-7.9.1
  • python-azure-agent SLE Module for Public Cloud 15 2.2.36-7.6.1

suse advisories SUSE-SU-2020:14454-1SUSE-SU-2020:0440-1SUSE-SU-2019:3394-1SUSE-SU-2019:3393-1SUSE-SU-2019:0603-1

  • python-azure-agent openSUSE Leap 15.1 2.2.45-lp151.2.3.1
  • python-azure-agent openSUSE Leap 15.0 2.2.36-lp150.5.10.1

opensuse advisories openSUSE-SU-2020:0261-1openSUSE-SU-2019:1106-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-0804 updated cvss 5.0

WALinuxAgent: swapfile created with weak permissions

  • Red Hat Enterprise Linux AppStream (v. 8) WALinuxAgent 2.2.32-1.el8_0.1
    fixed: vendor fix RHSA-2019:1527
  • Red Hat Enterprise Linux 6 WALinuxAgent Red Hat Enterprise Linux 7 WALinuxAgent
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

5.19% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

  • Microsoft Azure

Classification

Weakness
  • CWE-732 Incorrect Permission Assignment for Critical Resource

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.