CVE-2018-16846: canonical ubuntu_linux
Vulnerability summary
CVE-2018-16846 is a medium (CVSS 6.5) vulnerability in canonical ubuntu_linux. EPSS estimates a 2.14% chance of exploitation in the next 30 days, higher than 82% of scored vulnerabilities.
Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 7 · Related 4Timeline
- 15-01-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
It was found in Ceph versions before 13.2.4 that authenticated ceph RGW users can cause a denial of service against OMAPs holding bucket indices.
CVSS metrics
7 scores · 4 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVDNIST6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.14%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.14% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat3 products
- ceph< 13.2.4
- ceph_storage2.0 | 3.0
- enterprise_linux_server7.0
Debian2 products
- ceph< 12.2.11+dfsg1-1
- debian_linuxEOL8.0 | 9.0
[unknown]1 product
- cephEOL13.2.4
Canonical1 product
- ubuntu_linuxEOL16.04 | 18.10 | 19.04
Opensuse1 product
- leapEOL15.0
Ubuntu1 product
- cephAll versions (No fix recorded) | < 10.2.11-0ubuntu0.16.04.2 | < 12.2.11-0ubuntu0.18.04.1
6 vendors · 9 products
References
12 links
lists.debian.org/debian-lts-announce/2019/03/msg00002.htmlMailing ListX Refsource MLISTThird Party Advisory- lists.opensuse.org/opensuse-security-announce/2019-04/msg00100.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16846X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- lists.debian.org/debian-lts-announce/2021/08/msg00013.htmlMailing ListX Refsource MLISTThird Party Advisory