Disclosure summary
relay_open in kernel/relay.c in the Linux kernel through 5.4.1 allows local users to cause a denial of service (such as relay blockage) by triggering a NULL alloc_percpu result.
Source-reported weakness categories
CWE-476
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2019-19462
Open original source · Updated Oct 08, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| linux | linux_kernel | * {"versionEndIncluding":"5.4.1"} |
| netapp | active_iq_unified_manager | * {"versionStartIncluding":"9.5"} |
| netapp | hci_management_node | - |
| netapp | solidfire | - |
| netapp | hci_compute_node | - |
| netapp | hci_storage_node | - |
| canonical | ubuntu_linux | 14.04 |
| canonical | ubuntu_linux | 16.04 |
| canonical | ubuntu_linux | 18.04 |
| canonical | ubuntu_linux | 20.04 |
| opensuse | leap | 15.1 |
| opensuse | leap | 15.2 |
| debian | debian_linux | 8.0 |
| debian | debian_linux | 9.0 |
| debian | debian_linux | 10.0 |
Original records & references
- NIST NVD record
- CVE Program record
- lists.debian.org — Mailing List, Third Party Advisory
- lore.kernel.org
- security.netapp.com — Third Party Advisory
- syzkaller-ppc64.appspot.com — Patch, Third Party Advisory
- syzkaller-ppc64.appspot.com — Patch, Third Party Advisory
- syzkaller.appspot.com — Third Party Advisory
- syzkaller.appspot.com — Third Party Advisory
- usn.ubuntu.com — Third Party Advisory
- usn.ubuntu.com — Third Party Advisory
- usn.ubuntu.com — Third Party Advisory
- usn.ubuntu.com — Third Party Advisory
- www.debian.org — Third Party Advisory
- www.debian.org — Third Party Advisory
- lists.debian.org — Mailing List, Third Party Advisory
- lore.kernel.org
- security.netapp.com — Third Party Advisory
- syzkaller-ppc64.appspot.com — Patch, Third Party Advisory
- syzkaller-ppc64.appspot.com — Patch, Third Party Advisory
- syzkaller.appspot.com — Third Party Advisory
- syzkaller.appspot.com — Third Party Advisory
- usn.ubuntu.com — Third Party Advisory
- usn.ubuntu.com — Third Party Advisory
- usn.ubuntu.com — Third Party Advisory
- usn.ubuntu.com — Third Party Advisory
- www.debian.org — Third Party Advisory
- www.debian.org — Third Party Advisory
PUBLISHED 2019-11-29T20:15:10-05:00
MODIFIED 2026-10-08T17:17:19-04:00
INGESTED 2026-10-10T20:50:19-04:00