CVE-2022-42150: TinyLab linux-lab v1.1-rc1 and cloud-labv0.8-rc2, v1.1-rc1 are vulnerable to insecure permissions

This week

CRITICAL 10.0REMOTEWATCHLISTDOWNGRADEDOWNGRADE

CVE-2022-42150 is a critical-severity flaw (CVSS 10.0) affecting cloud lab, linux lab. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

TinyLab linux-lab v1.1-rc1 and cloud-labv0.8-rc2, v1.1-rc1 are vulnerable to insecure permissions. The default configuration could cause Container Escape.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action
On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	10.0 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-276
Published	2023-10-19
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: tinylab

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-10-19 20:15 UTCPublished CVE record published
2026-06-17 05:04 UTCUpdated Record last modified

tinylab cloud lab DOWNGRADE

Affected: 0.8 rc2 · 1.1 rc1

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.8

1. Check installed version

apt-cache policy cloud-lab || rpm -q cloud-lab || cloud-lab --version

2. No fixed release: DOWNGRADE to a release before 0.8 (Debian / Ubuntu)

apt-cache madison cloud-lab sudo apt install cloud-lab=<VERSION_BEFORE_0.8> sudo apt-mark hold cloud-lab

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list cloud-lab sudo dnf downgrade cloud-lab-<VERSION_BEFORE_0.8> sudo dnf versionlock add cloud-lab

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

tinylab linux lab DOWNGRADE

Affected: 1.1 rc1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1

1. Check installed version

apt-cache policy linux-lab || rpm -q linux-lab || linux-lab --version

2. No fixed release: DOWNGRADE to a release before 1.1 (Debian / Ubuntu)

apt-cache madison linux-lab sudo apt install linux-lab=<VERSION_BEFORE_1.1> sudo apt-mark hold linux-lab

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list linux-lab sudo dnf downgrade linux-lab-<VERSION_BEFORE_1.1> sudo dnf versionlock add linux-lab

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-42150?

cloud lab: downgrade or apply the listed mitigation; linux lab: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-42150 being exploited?

CVE-2022-42150 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-42150 affect?

CVE-2022-42150 affects cloud lab, linux lab. Severity is critical (CVSS 10.0). TinyLab linux-lab v1.1-rc1 and cloud-labv0.8-rc2, v1.1-rc1 are vulnerable to insecure permissions. The default configuration could cause Container Escape.

How urgent is CVE-2022-42150?

Priority 66/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist

References

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