Description
An information disclosure vulnerability exists in the way Azure WaLinuxAgent creates swap files on resource disks, aka 'Azure Linux Agent Information Disclosure Vulnerability'.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Azure | multiple | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | waagent | 2.2.34-3 | — |
| Debian 13 | waagent | 2.2.34-3 | — |
| Debian 12 | waagent | 2.2.34-3 | — |
| Debian 9 | waagent | 2.2.18-3~deb9u2 | DSA-4406-1 |
| Debian 8 | waagent | 2.2.18-3~deb8u2 | DLA-1709-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | walinuxagent | 2.2.32-0ubuntu1~18.04.2 | USN-3907-1 |
| Ubuntu 16.04 LTS | walinuxagent | 2.2.32-0ubuntu1~16.04.2 | USN-3907-1 |
| Ubuntu 14.04 LTS | walinuxagent | 2.2.32-0ubuntu1~14.04.2 | USN-3907-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | WALinuxAgent | 2.2.32-1.el8_0.1 | RHSA-2019:1527 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | python-azure-agent | 2.2.45-3.3.1 | SUSE-SU-2020:0440-1 |
| SLES 15 | python-azure-agent | 2.2.36-7.6.1 | SUSE-SU-2019:3393-1, SUSE-SU-2019:0603-1 |
| SLES 12 | python-azure-agent | 2.2.45-34.20.1 | SUSE-SU-2019:3394-1 |
| SLES 11 | python-azure-agent | 2.2.45-28.8.1 | SUSE-SU-2020:14454-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.1 | python-azure-agent | 2.2.45-lp151.2.3.1 | openSUSE-SU-2020:0261-1 |
| openSUSE Leap 15.0 | python-azure-agent | 2.2.36-lp150.5.10.1 | openSUSE-SU-2019:1106-1 |
Advisories 11
- DSA-4406-1 waagent - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1709-1 waagent - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3907-1 walinuxagent vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- openSUSE-SU-2020:0261-1 Security update for python-azure-agent SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:1106-1 Security update for python-azure-agent SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:0603-1 Security update for python-azure-agent SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:14454-1 Security update for python-azure-agent SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:0440-1 Security update for python-azure-agent SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:3393-1 Security update for python-azure-agent SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:3394-1 Security update for python-azure-agent SUSE / openSUSE Security Updates · Feb 4, 2026
- RHSA-2019:1527 Red Hat Security Advisory: WALinuxAgent security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0804
- RHSA-2019:1527 vendor-advisory
- openSUSE-SU-2020:0261 vendor-advisory