An issue was discovered in the Linux kernel before 5.1.17.
Priority LOW 22CWE-476Published · Updated
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 14 fixed, 4 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.
Summary
An issue was discovered in the Linux kernel before 5.1.17. There is a NULL pointer dereference caused by a malicious USB device in the sound/usb/line6/pcm.c driver.
Why it matters now
EPSS 0.00712 53rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 4 advisoriesRed Hat: 14 fixed, 4 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 · 14
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 5.1.17 | Vulnerable | Linux |
| cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NetApp |
| cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:a:netapp:data_availability_services:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
| 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:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 5.1.17 Vulnerable ·Linux
- cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
- cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:a:netapp:data_availability_services:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
- 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
Show 4 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* | 19.04 | Vulnerable | Canonical |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| 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:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* Versions 19.04 Vulnerable ·Canonical
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- 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
Remediation
Red Hat 4 advisories
- 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
- 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-2020:1070 Released 2020-03-31 · Red Hat rating Moderatekernel-rt security and bug fix update
- Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt-3.10.0-1127.rt56.1093.el7, kernel-rt-debug-3.10.0-1127.rt56.1093.el7, kernel-rt-debug-devel-3.10.0-1127.rt56.1093.el7 +4
- Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-1127.rt56.1093.el7, kernel-rt-debug-3.10.0-1127.rt56.1093.el7, kernel-rt-debug-devel-3.10.0-1127.rt56.1093.el7 +7
Show 1 more Red Hat advisories
- RHSA-2020:1016 Released 2020-03-31 · Red Hat rating Moderatekernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux Client (v. 7) bpftool-3.10.0-1127.el7, kernel-3.10.0-1127.el7, kernel-abi-whitelists-3.10.0-1127.el7 +8
- Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-1127.el7
- Red Hat Enterprise Linux ComputeNode (v. 7) bpftool-3.10.0-1127.el7, kernel-3.10.0-1127.el7, kernel-abi-whitelists-3.10.0-1127.el7 +8
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-1127.el7
- Red Hat Enterprise Linux Server (v. 7) bpftool-3.10.0-1127.el7, kernel-3.10.0-1127.el7, kernel-abi-whitelists-3.10.0-1127.el7 +11
- Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-1127.el7, kernel-tools-libs-devel-3.10.0-1127.el7
- Red Hat Enterprise Linux Workstation (v. 7) bpftool-3.10.0-1127.el7, kernel-3.10.0-1127.el7, kernel-abi-whitelists-3.10.0-1127.el7 +8
- Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-1127.el7
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise MRG 2 | Affected | No fix planned: Out of support scope |
| 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-2020:1016 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2020:1016 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2020:1016 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2020:1016 |
| 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. 7) | Fixed | RHSA-2020:1016 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2020:1016 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2020:1016 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2020:1016 |
| Red Hat Enterprise Linux for Real Time (v. 7) | Fixed | RHSA-2020:1070 |
| Red Hat Enterprise Linux for Real Time for NFV (v. 7) | Fixed | RHSA-2020:1070 |
Timeline
- 2026-10-02 Threatist record created from CVE-2019-15221
- 2026-10-03 Alias added: GHSA-85g3-5q55-59pj
References
Advisory 12
- [oss-security] 20190820 Linux kernel: multiple vulnerabilities in the USB subsystem x2
- USN-4115-1
- USN-4118-1
- https://security.netapp.com/advisory/ntap-20190905-0002/
- [debian-lts-announce] 20190914 [SECURITY] [DLA 1919-1] linux-4.9 security update
- [debian-lts-announce] 20190915 [SECURITY] [DLA 1919-2] linux-4.9 security update
- openSUSE-SU-2019:2173
- openSUSE-SU-2019:2181
- [debian-lts-announce] 20190925 [SECURITY] [DLA 1930-1] linux security update
- USN-4147-1
- USN-4286-2
- USN-4286-1
Sources
- CVE-2019-15221 · CVE Program
- CVE-2019-15221 · NVD
- FIRST EPSS
- GHSA-85g3-5q55-59pj · GitHub Advisory Database · CC BY 4.0
- CVE-2019-15221 · 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