CVE-2019-17055: canonical ubuntu_linux Missing Authorization
Vulnerability summary
CVE-2019-17055 is a low (CVSS 3.3) Missing Authorization vulnerability in canonical ubuntu_linux. EPSS estimates a 0.54% chance of exploitation in the next 30 days, higher than 45.6% of scored vulnerabilities.
Not severe (CVSS 3.3, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 28 · Related 21Timeline
- 01-10-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
base_sock_create in drivers/isdn/mISDN/socket.c in the AF_ISDN network module in the Linux kernel through 5.3.2 does not enforce CAP_NET_RAW, which means that unprivileged users can create a raw socket, aka CID-b91ee4aa2a21.
CVSS metrics
5 scores · 3 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- OSV · DebianEcosystem advisory · calculated3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS trend
Probability
0.54%
Chance of exploitation in the next 30 days
Percentile
46%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.54% 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: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu28 products
- linuxAll versions (No fix recorded) | < 4.4.0-168.197 | < 4.15.0-69.78
- linux-aws< 4.4.0-1058.62 | < 4.4.0-1098.109 | < 4.15.0-1054.56
- linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
- linux-aws-hwe< 4.15.0-1054.56~16.04.1
- linux-azure< 4.15.0-1063.68~14.04.1 | < 4.15.0-1063.68 | < 5.0.0-1025.27~18.04.1
Redhat3 products
Debian2 products
- linux< 5.3.7-1
- debian_linuxEOL8.0
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04 | 19.04
Fedoraproject1 product
- fedoraEOL29
Linux1 product
- linux_kernel≤ 5.3.2
Opensuse1 product
- leapEOL15.0 | 15.1
7 vendors · 37 products
References
24 links- packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.htmlX Refsource MISCThird Party AdvisoryVDB Entry
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00035.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00039.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
Show all 24 references
lists.debian.org/debian-lts-announce/2020/01/msg00013.htmlMailing ListX Refsource MLISTThird Party Advisory- lists.debian.org/debian-lts-announce/2020/03/msg00001.htmlMailing ListX Refsource MLISTThird Party Advisory