CVE-2022-0670: A flaw was found in Openstack manilla owning a Ceph File system "share", which enables the owner to read/write

Q: How do I fix CVE-2022-0670?

ceph: upgrade to 15.2.17, 16.2.10, 17.2.2; ceph storage: upgrade to 5.2; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2022-0670 being exploited?

CVE-2022-0670 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-0670 affect?

CVE-2022-0670 affects ceph, ceph storage, fedora. Severity is critical (CVSS 9.1). A flaw was found in Openstack manilla owning a Ceph File system "share", which enables the owner to read/write any manilla share or entire file system. The vulnerability is due to a bug in the "volumes" plugin in Ceph Manager. This allows a

Q: How urgent is CVE-2022-0670?

Priority 59/100. Critical severity; Remotely exploitable, no login, no user action; On your watchlist

This month

CRITICAL 9.1REMOTEWATCHLISTUPGRADEUPGRADEMITIGATE

CVE-2022-0670 is a critical-severity flaw (CVSS 9.1) affecting ceph, ceph storage, fedora. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A flaw was found in Openstack manilla owning a Ceph File system "share", which enables the owner to read/write any manilla share or entire file system. The vulnerability is due to a bug in the "volumes" plugin in Ceph Manager. This allows an attacker to compromise Confidentiality and Integrity of a file system. Fixed in RHCS 5.2 and Ceph 17.2.2.

Why this priority

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

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Weakness	CWE-863
Published	2022-07-25
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: fedoraproject · linuxfoundation · redhat

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

Am I affected?

Timeline

2022-07-25 14:15 UTCPublished CVE record published
2026-06-17 04:21 UTCUpdated Record last modified

linuxfoundation ceph UPGRADE

Affected: >= 15.0.0 and < 15.2.17 · >= 16.0.0 and < 16.2.10 · >= 17.0.0 and < 17.2.2

Fixed in: 15.2.17, 16.2.10, 17.2.2

Safe to downgrade to: a release before 15.0.0

1. Check installed version

apt-cache policy ceph || rpm -q ceph || ceph --version

2. UPGRADE to 15.2.17 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ceph

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ceph

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 15.0.0 (Debian / Ubuntu)

apt-cache madison ceph sudo apt install ceph=<VERSION_BEFORE_15.0.0> sudo apt-mark hold ceph

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list ceph sudo dnf downgrade ceph-<VERSION_BEFORE_15.0.0> sudo dnf versionlock add ceph

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.

redhat ceph storage UPGRADE

Affected: < 5.2

Fixed in: 5.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ceph-storage || rpm -q ceph-storage || ceph-storage --version

2. UPGRADE to 5.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ceph-storage

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ceph-storage

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

fedoraproject fedora MITIGATE

Affected: 35 · 36

Fixed in: no fixed release known

Safe to downgrade to: a release before 35

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2022-0670?

ceph: upgrade to 15.2.17, 16.2.10, 17.2.2; ceph storage: upgrade to 5.2; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-0670 being exploited?

CVE-2022-0670 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-2022-0670 affect?

CVE-2022-0670 affects ceph, ceph storage, fedora. Severity is critical (CVSS 9.1). A flaw was found in Openstack manilla owning a Ceph File system "share", which enables the owner to read/write any manilla share or entire file system. The vulnerability is due to a bug in the "volumes" plugin in Ceph Manager. This allows a

How urgent is CVE-2022-0670?

Priority 59/100. Critical severity; Remotely exploitable, no login, no user action; On your watchlist

Software pages

OpenStack vulnerabilities · Ceph vulnerabilities

Related CVEs

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References

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