CVE-2019-20096: canonical ubuntu_linux
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2019-20096DEBIAN-CVE-2019-20096
Published 30-12-2019Last modified 05-08-2024
Vulnerability summary
CVE-2019-20096 is a medium (CVSS 5.5) vulnerability in canonical ubuntu_linux. EPSS estimates a 0.99% chance of exploitation in the next 30 days, higher than 61.9% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.99%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 19 · Related 18DLA-2114-1OPENSUSE-SU-2020:0336-1SUSE-SU-2020:0093-1SUSE-SU-2020:0511-1SUSE-SU-2020:0559-1SUSE-SU-2020:0560-1SUSE-SU-2020:0580-1SUSE-SU-2020:0584-1SUSE-SU-2020:0599-1SUSE-SU-2020:0613-1SUSE-SU-2020:1255-1SUSE-SU-2020:1275-1SUSE-SU-2020:14354-1SUSE-SU-2020:1663-1USN-4285-1USN-4286-1USN-4286-2USN-4287-1USN-4287-2
Timeline
- 30-12-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In the Linux kernel before 5.1, there is a memory leak in __feat_register_sp() in net/dccp/feat.c, which may cause denial of service, aka CID-1d3ff0950e2b.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Medium 4.9Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:N/I:N/A:CSourcesSingle source
EPSS trend
Probability
0.99%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
0.00 pp
From 0.99% on 18-09-2026
18-09-202618-10-2026
EPSS score0.99%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu30 products
- linuxAll versions (No fix recorded) | < 4.4.0-174.204 | < 4.15.0-88.88
- linux-aws< 4.4.0-1062.66 | < 4.4.0-1102.113 | < 4.15.0-1060.62
- linux-aws-5.0< 5.0.0-1025.28
- linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
- linux-aws-hwe< 4.15.0-1060.62~16.04.1
Debian2 products
- linux< 5.2.6-1
- debian_linuxEOL8.0
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04
Linux1 product
- linux_kernel< 5.1
4 vendors · 34 products
References
19 links- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1X Refsource MISCREPORTRelease NotesVendor Advisory
- packetstormsecurity.com/files/156455/Kernel-Live-Patch-Security-Notice-LSN-0063-1.htmlX Refsource MISCThird Party AdvisoryVDB Entry
lists.debian.org/debian-lts-announce/2020/03/msg00001.htmlMailing ListX Refsource MLISTThird Party Advisory- lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlVendor AdvisoryX Refsource SUSEBroken LinkThird Party Advisory