CVE-2022-3854

A flaw was found in Ceph, relating to the URL processing on RGW backends. An attacker can exploit...

6.5 MediumFix available

A flaw was found in Ceph, relating to the URL processing on RGW backends. An attacker can exploit the URL processing by providing a null URL to crash the RGW, causing a denial of service.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

0.57%Up 0.5 points since Mar 7, 2023

What each source reports

NVD Score used 6.5

A flaw was found in Ceph, relating to the URL processing on RGW backends. An attacker can exploit the URL processing by providing a null URL to crash the RGW, causing a denial of service.

Record: CVE-2022-3854
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-177
Updated: 2026-11-02

CVE List 6.5

A flaw was found in Ceph, relating to the URL processing on RGW backends. An attacker can exploit the URL processing by providing a null URL to crash the RGW, causing a denial of service.

Record: CVE-2022-3854
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-177
Updated: 2026-11-02

EUVDEUVD-2022-43194 6.5

A flaw was found in Ceph, relating to the URL processing on RGW backends. An attacker can exploit the URL processing by providing a null URL to crash the RGW, causing a denial of service.

Record: EUVD-2022-43194
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-rm99-52xq-2r9w 6.5

A flaw was found in Ceph, relating to the URL processing on RGW backends. An attacker can exploit...

A flaw was found in Ceph, relating to the URL processing on RGW backends. An attacker can exploit the URL processing by providing a null URL to crash the RGW, causing a denial of service.

Record: GHSA-rm99-52xq-2r9w
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-177
Updated: 2026-11-02

OSVAZL-38998 6.5

CVE-2022-3854 affecting package ceph for versions less than 18.2.1-1

A flaw was found in Ceph, relating to the URL processing on RGW backends. An attacker can exploit the URL processing by providing a null URL to crash the RGW, causing a denial of service.

Record: AZL-38998
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVAZL-39496 6.5

CVE-2022-3854 affecting package ceph for versions less than 16.2.10-3

A flaw was found in Ceph, relating to the URL processing on RGW backends. An attacker can exploit the URL processing by providing a null URL to crash the RGW, causing a denial of service.

Record: AZL-39496
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

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OSV 6.5

A flaw was found in Ceph, relating to the URL processing on RGW backends. An attacker can exploit the URL processing by providing a null URL to crash the RGW, causing a denial of service.

Record: CVE-2022-3854
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2022-3854 6.5

A flaw was found in Ceph, relating to the URL processing on RGW backends. An attacker can exploit the URL processing by providing a null URL to crash the RGW, causing a denial of service.

Record: DEBIAN-CVE-2022-3854
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-03

OSVUBUNTU-CVE-2022-3854 6.5

A flaw was found in Ceph, relating to the URL processing on RGW backends. An attacker can exploit the URL processing by providing a null URL to crash the RGW, causing a denial of service.

Record: UBUNTU-CVE-2022-3854
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVopenSUSE-SU-2024:12662-1 No score

ceph-16.2.11.58+g38d6afd3b78-1.1 on GA media

These are all security issues fixed in the ceph-16.2.11.58+g38d6afd3b78-1.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:12662-1
Updated: 2026-11-02

OSVSUSE-SU-2023:1580-1 No score

Security update for ceph

This update for ceph fixes the following issues:

Security issues fixed:

CVE-2022-0670: Fixed user/tenant read/write access to an entire file system (bsc#1201837).
CVE-2022-3650: Fixed Python script that allowed privilege escalation from ceph to root (bsc#1204430).
CVE-2022-3854: Fixed possible DoS issue in ceph URL processing on RGW backends (bsc#1205025).

Bug fixes:

osd, tools, kv: non-aggressive, on-line trimming of accumulated dups (bsc#1199183).
ceph-volume: fix fast device alloc size on mulitple device (bsc#1200262).
cephadm: update monitoring container images (bsc#1200501).
mgr/dashboard: prevent alert redirect (bsc#1200978).
mgr/volumes: Add subvolumegroup resize cmd (bsc#1201797).
monitoring/ceph-mixin: add RGW host to label info (bsc#1201976).
mgr/dashboard: enable addition of custom Prometheus alerts (bsc#1202077).
python-common: Add 'KB' to supported suffixes in SizeMatcher (bsc#1203375).
mgr/dashboard: fix rgw connect when using ssl (bsc#1205436).
ceph.spec.in: Add -DFMT_DEPRECATED_OSTREAM to CXXFLAGS (bsc#1202292).
cephfs-shell: move source to separate subdirectory (bsc#1201604).

Fix in previous release:

mgr/cephadm: try to get FQDN for configuration files (bsc#1196046).
When an RBD is mapped, it is attempted to be deployed as an OSD. (bsc#1187748).
OSD marked down causes wrong backfill_toofull (bsc#1188911).
cephadm: Fix iscsi client caps (allow mgr <service status> calls) (bsc#1192838).
mgr/cephadm: fix and improve osd draining (bsc#1200317).
add iscsi and nfs to upgrade process (bsc#1206158).
mgr/mgr_module.py: CLICommand: Fix parsing of kwargs arguments (bsc#1192840).

Record: SUSE-SU-2023:1580-1
Updated: 2026-11-02

OSVSUSE-SU-2023:1581-1 No score

Security update for ceph

This update for ceph fixes the following issues:

Security issues fixed:

CVE-2022-0670: Fixed user/tenant read/write access to an entire file system (bsc#1201837).
CVE-2022-3650: Fixed Python script that allowed privilege escalation from ceph to root (bsc#1204430).
CVE-2022-3854: Fixed possible DoS issue in ceph URL processing on RGW backends (bsc#1205025).

Bug fixes:

osd, tools, kv: non-aggressive, on-line trimming of accumulated dups (bsc#1199183).
ceph-volume: fix fast device alloc size on mulitple device (bsc#1200262).
cephadm: update monitoring container images (bsc#1200501).
mgr/dashboard: prevent alert redirect (bsc#1200978).
mgr/volumes: Add subvolumegroup resize cmd (bsc#1201797).
monitoring/ceph-mixin: add RGW host to label info (bsc#1201976).
mgr/dashboard: enable addition of custom Prometheus alerts (bsc#1202077).
python-common: Add 'KB' to supported suffixes in SizeMatcher (bsc#1203375).
mgr/dashboard: fix rgw connect when using ssl (bsc#1205436).
ceph.spec.in: Add -DFMT_DEPRECATED_OSTREAM to CXXFLAGS (bsc#1202292).
cephfs-shell: move source to separate subdirectory (bsc#1201604).

Fix in previous release:

mgr/cephadm: try to get FQDN for configuration files (bsc#1196046).
When an RBD is mapped, it is attempted to be deployed as an OSD. (bsc#1187748).
OSD marked down causes wrong backfill_toofull (bsc#1188911).
cephadm: Fix iscsi client caps (allow mgr <service status> calls) (bsc#1192838).
mgr/cephadm: fix and improve osd draining (bsc#1200317).
add iscsi and nfs to upgrade process (bsc#1206158).
mgr/mgr_module.py: CLICommand: Fix parsing of kwargs arguments (bsc#1192840).

Record: SUSE-SU-2023:1581-1
Updated: 2026-11-02

OSVSUSE-SU-2023:1581-2 No score

Security update for ceph

This update for ceph fixes the following issues:

Security issues fixed:

CVE-2022-0670: Fixed user/tenant read/write access to an entire file system (bsc#1201837).
CVE-2022-3650: Fixed Python script that allowed privilege escalation from ceph to root (bsc#1204430).
CVE-2022-3854: Fixed possible DoS issue in ceph URL processing on RGW backends (bsc#1205025).

Bug fixes:

osd, tools, kv: non-aggressive, on-line trimming of accumulated dups (bsc#1199183).
ceph-volume: fix fast device alloc size on mulitple device (bsc#1200262).
cephadm: update monitoring container images (bsc#1200501).
mgr/dashboard: prevent alert redirect (bsc#1200978).
mgr/volumes: Add subvolumegroup resize cmd (bsc#1201797).
monitoring/ceph-mixin: add RGW host to label info (bsc#1201976).
mgr/dashboard: enable addition of custom Prometheus alerts (bsc#1202077).
python-common: Add 'KB' to supported suffixes in SizeMatcher (bsc#1203375).
mgr/dashboard: fix rgw connect when using ssl (bsc#1205436).
ceph.spec.in: Add -DFMT_DEPRECATED_OSTREAM to CXXFLAGS (bsc#1202292).
cephfs-shell: move source to separate subdirectory (bsc#1201604).

Fix in previous release:

mgr/cephadm: try to get FQDN for configuration files (bsc#1196046).
When an RBD is mapped, it is attempted to be deployed as an OSD. (bsc#1187748).
OSD marked down causes wrong backfill_toofull (bsc#1188911).
cephadm: Fix iscsi client caps (allow mgr <service status> calls) (bsc#1192838).
mgr/cephadm: fix and improve osd draining (bsc#1200317).
add iscsi and nfs to upgrade process (bsc#1206158).
mgr/mgr_module.py: CLICommand: Fix parsing of kwargs arguments (bsc#1192840).

Record: SUSE-SU-2023:1581-2
Updated: 2026-11-02

OSVSUSE-SU-2023:1584-1 No score

Security update for ceph

This update for ceph fixes the following issues:

Security issues fixed:

CVE-2022-0670: Fixed user/tenant read/write access to an entire file system (bsc#1201837).
CVE-2022-3650: Fixed Python script that allowed privilege escalation from ceph to root (bsc#1204430).
CVE-2022-3854: Fixed possible DoS issue in ceph URL processing on RGW backends (bsc#1205025).

Bug fixes:

osd, tools, kv: non-aggressive, on-line trimming of accumulated dups (bsc#1199183).
ceph-volume: fix fast device alloc size on mulitple device (bsc#1200262).
cephadm: update monitoring container images (bsc#1200501).
mgr/dashboard: prevent alert redirect (bsc#1200978).
mgr/volumes: Add subvolumegroup resize cmd (bsc#1201797).
monitoring/ceph-mixin: add RGW host to label info (bsc#1201976).
mgr/dashboard: enable addition of custom Prometheus alerts (bsc#1202077).
python-common: Add 'KB' to supported suffixes in SizeMatcher (bsc#1203375).
mgr/dashboard: fix rgw connect when using ssl (bsc#1205436).
ceph.spec.in: Add -DFMT_DEPRECATED_OSTREAM to CXXFLAGS (bsc#1202292).
cephfs-shell: move source to separate subdirectory (bsc#1201604).

Fix in previous release:

mgr/cephadm: try to get FQDN for configuration files (bsc#1196046).
When an RBD is mapped, it is attempted to be deployed as an OSD. (bsc#1187748).
OSD marked down causes wrong backfill_toofull (bsc#1188911).
cephadm: Fix iscsi client caps (allow mgr <service status> calls) (bsc#1192838).
mgr/cephadm: fix and improve osd draining (bsc#1200317).
add iscsi and nfs to upgrade process (bsc#1206158).
mgr/mgr_module.py: CLICommand: Fix parsing of kwargs arguments (bsc#1192840).

Record: SUSE-SU-2023:1584-1
Updated: 2026-11-02

OSVUSN-6063-1 No score

ceph vulnerabilities

Mark Kirkwood discovered that Ceph incorrectly handled certain key lengths. An attacker could possibly use this issue to create non-random encryption keys. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-3979)

It was discovered that Ceph incorrectly handled the volumes plugin. An attacker could possibly use this issue to obtain access to any share. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 22.10. (CVE-2022-0670)

It was discovered that Ceph incorrectly handled crash dumps. A local attacker could possibly use this issue to escalate privileges to root. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 22.10. (CVE-2022-3650)

It was discovered that Ceph incorrectly handled URL processing on RGW backends. An attacker could possibly use this issue to cause RGW to crash, leading to a denial of service. This issue only affected Ubuntu 22.04 LTS and Ubuntu 22.10. (CVE-2022-3854)

Record: USN-6063-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`ceph` Azure Linux:3	before 18.2.1-1	18.2.1-1
`ceph` Azure Linux:2	before 16.2.10-3	16.2.10-3
`ceph` Debian:12	before 16.2.10+ds-5	16.2.10+ds-5
`ceph` Debian:13	before 16.2.10+ds-5	16.2.10+ds-5
`ceph` Debian:14	before 16.2.10+ds-5	16.2.10+ds-5
`ceph` SUSE:Linux Enterprise Real Time 15 SP3 From an advisory covering 3 CVEs	before 16.2.11.58+g38d6afd3b78-150300.5.7.1	16.2.11.58+g38d6afd3b78-150300.5.7.1
`ceph` SUSE:Linux Enterprise Micro 5.1 From an advisory covering 3 CVEs	before 16.2.11.58+g38d6afd3b78-150300.5.7.1	16.2.11.58+g38d6afd3b78-150300.5.7.1
`ceph` SUSE:Linux Enterprise Micro 5.2 From an advisory covering 3 CVEs	before 16.2.11.58+g38d6afd3b78-150300.5.7.1	16.2.11.58+g38d6afd3b78-150300.5.7.1
`ceph` SUSE:Linux Enterprise Micro 5.3 From an advisory covering 3 CVEs	before 16.2.11.58+g38d6afd3b78-150400.3.6.1	16.2.11.58+g38d6afd3b78-150400.3.6.1
`ceph` SUSE:Linux Enterprise Module for Basesystem 15 SP4 From an advisory covering 3 CVEs	before 16.2.11.58+g38d6afd3b78-150400.3.6.1	16.2.11.58+g38d6afd3b78-150400.3.6.1

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Affected packages
Package	Affected	Fixed
`ceph` openSUSE:Leap Micro 5.3 From an advisory covering 3 CVEs	before 16.2.11.58+g38d6afd3b78-150400.3.6.1	16.2.11.58+g38d6afd3b78-150400.3.6.1
`ceph` openSUSE:Leap 15.4 From an advisory covering 3 CVEs	before 16.2.11.58+g38d6afd3b78-150400.3.6.1	16.2.11.58+g38d6afd3b78-150400.3.6.1
`ceph-test` openSUSE:Leap 15.4 From an advisory covering 3 CVEs	before 16.2.11.58+g38d6afd3b78-150400.3.6.1	16.2.11.58+g38d6afd3b78-150400.3.6.1
`ceph` SUSE:Linux Enterprise Micro 5.4 From an advisory covering 3 CVEs	before 16.2.11.58+g38d6afd3b78-150400.3.6.1	16.2.11.58+g38d6afd3b78-150400.3.6.1
`ceph` SUSE:Enterprise Storage 7.1 From an advisory covering 3 CVEs	before 16.2.11.58+g38d6afd3b78-150300.3.6.1	16.2.11.58+g38d6afd3b78-150300.3.6.1
`ceph` Ubuntu:22.04:LTS	before 17.2.5-0ubuntu0.22.04.3, plus listed versions 16.2.6-0ubuntu116.2.6-0ubuntu216.2.6-0ubuntu316.2.7-0ubuntu116.2.7-0ubuntu4 Show 6 moreShow less 17.1.0-0ubuntu117.1.0-0ubuntu217.1.0-0ubuntu317.2.0-0ubuntu0.22.04.117.2.0-0ubuntu0.22.04.217.2.5-0ubuntu0.22.04.2	17.2.5-0ubuntu0.22.04.3
`ceph` Ubuntu:18.04:LTS From an advisory covering 4 CVEs	before 12.2.13-0ubuntu0.18.04.11, plus listed versions 12.2.0-0ubuntu112.2.1-0ubuntu112.2.2-0ubuntu112.2.2-0ubuntu212.2.4-0ubuntu1 Show 19 moreShow less 12.2.4-0ubuntu1.112.2.7-0ubuntu0.18.04.112.2.8-0ubuntu0.18.04.112.2.8-0ubuntu0.18.04.212.2.11-0ubuntu0.18.04.112.2.11-0ubuntu0.18.04.212.2.12-0ubuntu0.18.04.112.2.12-0ubuntu0.18.04.212.2.12-0ubuntu0.18.04.312.2.12-0ubuntu0.18.04.412.2.12-0ubuntu0.18.04.512.2.13-0ubuntu0.18.04.212.2.13-0ubuntu0.18.04.312.2.13-0ubuntu0.18.04.412.2.13-0ubuntu0.18.04.512.2.13-0ubuntu0.18.04.612.2.13-0ubuntu0.18.04.712.2.13-0ubuntu0.18.04.812.2.13-0ubuntu0.18.04.10	12.2.13-0ubuntu0.18.04.11
`ceph` Ubuntu:20.04:LTS From an advisory covering 4 CVEs	before 15.2.17-0ubuntu0.20.04.3, plus listed versions 14.2.2-0ubuntu314.2.2-0ubuntu414.2.4-0ubuntu114.2.4-0ubuntu214.2.4-0ubuntu3 Show 21 moreShow less 15.1.0-0ubuntu215.1.0-0ubuntu315.1.1-0ubuntu115.2.0-0ubuntu115.2.0-0ubuntu215.2.1-0ubuntu115.2.1-0ubuntu215.2.3-0ubuntu0.20.04.115.2.3-0ubuntu0.20.04.215.2.5-0ubuntu0.20.04.115.2.7-0ubuntu0.20.04.115.2.7-0ubuntu0.20.04.215.2.8-0ubuntu0.20.04.115.2.11-0ubuntu0.20.04.215.2.12-0ubuntu0.20.04.115.2.13-0ubuntu0.20.04.115.2.13-0ubuntu0.20.04.215.2.14-0ubuntu0.20.04.115.2.14-0ubuntu0.20.04.215.2.16-0ubuntu0.20.04.115.2.17-0ubuntu0.20.04.1	15.2.17-0ubuntu0.20.04.3
`ceph` Ubuntu:22.04:LTS From an advisory covering 4 CVEs	before 17.2.5-0ubuntu0.22.04.3, plus listed versions 16.2.6-0ubuntu116.2.6-0ubuntu216.2.6-0ubuntu316.2.7-0ubuntu116.2.7-0ubuntu4 Show 6 moreShow less 17.1.0-0ubuntu117.1.0-0ubuntu217.1.0-0ubuntu317.2.0-0ubuntu0.22.04.117.2.0-0ubuntu0.22.04.217.2.5-0ubuntu0.22.04.2	17.2.5-0ubuntu0.22.04.3

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts	OSV
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-3854 is a medium vulnerability (CVSS 6.5) in Ceph, published March 6, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.57%, the 47th percentile. Fixed in ceph 18.2.1-1.

References

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