base_sock_create in drivers/isdn/mISDN/socket.c in the AF_ISDN network module in the…
Priority LOW 17CWE-862Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Partial Red Hat: 22 fixed, 2 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-862.
Summary
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.
Why it matters now
EPSS 0.00542 45th percentileScored 2026-11-07
Fix Partial Red Hat: 5 advisoriesRed Hat: 22 fixed, 2 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 12
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | up to 5.3.2 | Vulnerable | Linux |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* | 29 | Vulnerable | Fedoraproject |
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* | 14.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* | 16.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | 18.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* | 19.04 | Vulnerable | Canonical |
| cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* | 15.0 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* | 15.1 | Vulnerable | openSUSE |
| cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 5.3.2 Vulnerable ·Linux
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* Versions 29 Vulnerable ·Fedoraproject
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* Versions 14.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* Versions 16.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* Versions 19.04 Vulnerable ·Canonical
- cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* Versions 15.0 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Versions 15.1 Vulnerable ·openSUSE
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
Remediation
Red Hat 5 advisories
- RHSA-2020:4060 Released 2020-09-29 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux Client (v. 7) bpftool-3.10.0-1160.el7, kernel-3.10.0-1160.el7, kernel-abi-whitelists-3.10.0-1160.el7 +8
- Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-1160.el7
- Red Hat Enterprise Linux ComputeNode (v. 7) bpftool-3.10.0-1160.el7, kernel-3.10.0-1160.el7, kernel-abi-whitelists-3.10.0-1160.el7 +8
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-1160.el7
- Red Hat Enterprise Linux Server (v. 7) bpftool-3.10.0-1160.el7, kernel-3.10.0-1160.el7, kernel-abi-whitelists-3.10.0-1160.el7 +11
- Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-1160.el7, kernel-tools-libs-devel-3.10.0-1160.el7
- Red Hat Enterprise Linux Workstation (v. 7) bpftool-3.10.0-1160.el7, kernel-3.10.0-1160.el7, kernel-abi-whitelists-3.10.0-1160.el7 +8
- Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-1160.el7
- RHSA-2020:4062 Released 2020-09-29 · Red Hat rating Importantkernel-rt security and bug fix update
- Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt-3.10.0-1160.rt56.1131.el7, kernel-rt-debug-3.10.0-1160.rt56.1131.el7, kernel-rt-debug-devel-3.10.0-1160.rt56.1131.el7 +4
- Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-1160.rt56.1131.el7, kernel-rt-debug-3.10.0-1160.rt56.1131.el7, kernel-rt-debug-devel-3.10.0-1160.rt56.1131.el7 +7
- RHSA-2020:1769 Released 2020-04-28 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-193.el8
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-193.el8, kernel-4.18.0-193.el8, kernel-abi-whitelists-4.18.0-193.el8 +19
Show 2 more Red Hat advisories
- RHSA-2020:1567 Released 2020-04-28 · Red Hat rating Importantkernel-rt security, bug fix, and enhancement update
- Red Hat Enterprise Linux Real Time (v. 8) kernel-rt-4.18.0-193.rt13.51.el8, kernel-rt-core-4.18.0-193.rt13.51.el8, kernel-rt-debug-4.18.0-193.rt13.51.el8 +7
- Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt-4.18.0-193.rt13.51.el8, kernel-rt-core-4.18.0-193.rt13.51.el8, kernel-rt-debug-4.18.0-193.rt13.51.el8 +9
- RHSA-2020:0790 Released 2020-03-11 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-754.28.1.el6, kernel-abi-whitelists-2.6.32-754.28.1.el6, kernel-debug-2.6.32-754.28.1.el6 +5
- Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf-2.6.32-754.28.1.el6
- Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-754.28.1.el6, kernel-abi-whitelists-2.6.32-754.28.1.el6, kernel-debug-2.6.32-754.28.1.el6 +5
- Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf-2.6.32-754.28.1.el6
- Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-754.28.1.el6, kernel-abi-whitelists-2.6.32-754.28.1.el6, kernel-bootwrapper-2.6.32-754.28.1.el6 +8
- Red Hat Enterprise Linux Server Optional (v. 6) python-perf-2.6.32-754.28.1.el6
- Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-754.28.1.el6, kernel-abi-whitelists-2.6.32-754.28.1.el6, kernel-debug-2.6.32-754.28.1.el6 +5
- Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf-2.6.32-754.28.1.el6
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise MRG 2 | Affected | No fix planned: Will not fix |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2020:1769 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2020:1769 |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2020:4060 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2020:4060 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2020:4060 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2020:4060 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2020:0790 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2020:0790 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2020:0790 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2020:0790 |
| Red Hat Enterprise Linux Real Time (v. 8) | Fixed | RHSA-2020:1567 |
| Red Hat Enterprise Linux Real Time for NFV (v. 8) | Fixed | RHSA-2020:1567 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2020:0790 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2020:4060 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2020:0790 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2020:4060 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2020:0790 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2020:4060 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2020:0790 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2020:4060 |
| Red Hat Enterprise Linux for Real Time (v. 7) | Fixed | RHSA-2020:4062 |
| Red Hat Enterprise Linux for Real Time for NFV (v. 7) | Fixed | RHSA-2020:4062 |
Not affected: 1 product
- Red Hat Enterprise Linux 5
Timeline
- 2026-10-02 Threatist record created from CVE-2019-17055
- 2026-10-03 Alias added: GHSA-c629-jm42-84f5
References
Patch 2
Advisory 13
- FEDORA-2019-41e28660ae
- 20191108 [slackware-security] Slackware 14.2 kernel (SSA:2019-311-01)
- http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
- USN-4185-1
- USN-4184-1
- USN-4186-1
- openSUSE-SU-2019:2503
- openSUSE-SU-2019:2507
- USN-4185-2
- USN-4186-2
- [debian-lts-announce] 20200118 [SECURITY] [DLA 2068-1] linux security update
- [debian-lts-announce] 20200302 [SECURITY] [DLA 2114-1] linux-4.9 security update
- RHSA-2020:0790
Sources
- CVE-2019-17055 · CVE Program
- CVE-2019-17055 · NVD
- FIRST EPSS
- GHSA-c629-jm42-84f5 · GitHub Advisory Database · CC BY 4.0
- CVE-2019-17055 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences