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CVE-2019-19462

Affected software5 products, listed below
Severity5.5 Medium CVSS 3.1 2 scores
WeaknessCWE-476
Published30 Nov 2019
Updated8 Oct 2026

Description

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.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 6 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment exploitation: none
  • Indexed PoC none indexed
  • EPSS 0.46% chance in 30 days

Waratek protection

Outside Waratek scope

A Java vulnerability, but not one Waratek protects. It affects only Java on a user's desktop (applets, Web Start, JavaFX, the installer), sits in a product the Waratek agent can't be installed into, or is in a package we don't expect in business applications. The decision below says which.

  • Protection none
  • Action not pursued none
  • Review human Researcher
  • Record active
Decided by Manual classification of this CVE in the legacy dataset
Finding A manual classification set this CVE's status to Outside Waratek scope, but the CVE names a tracked product.

CVSS

5.5 MEDIUM v3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H 2 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.1 5.5 MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H NVD Primary published
CVSS 2.0 4.9 none AV:L/AC:L/Au:N/C:N/I:N/A:C NVD Primary

Affected software and releases

Products and versions

9 products, 15 version entries
SourceVendorProductSchemeAffected versions
nvd canonical ubuntu linux generic 14.04 · 16.04 · 18.04 · 20.04
nvd debian debian linux generic 8.0 · 9.0 · 10.0
nvd linux linux kernel generic ≤ 5.4.1
nvd netapp active iq unified manager generic ≥ 9.5
nvd netapp hci compute node generic any version
nvd netapp hci management node generic any version
nvd netapp hci storage node generic any version
nvd netapp solidfire generic any version
nvd opensuse leap generic 15.1 · 15.2

References

URLTags
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html Mailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html Mailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html Mailing List, Third Party Advisory
https://lore.kernel.org/lkml/20191129013745.7168-1-dja%40axtens.net/
https://security.netapp.com/advisory/ntap-20210129-0004/ Third Party Advisory
https://syzkaller-ppc64.appspot.com/bug?id=1c09906c83a8ea811a9e318c2a4f8e243becc6f8 Patch, Third Party Advisory
https://syzkaller-ppc64.appspot.com/bug?id=b05b4d005191cc375cdf848c3d4d980308d50531 Patch, Third Party Advisory
https://syzkaller.appspot.com/bug?id=e4265490d26d6c01cd9bc79dc915ef0a1bf15046 Third Party Advisory
https://syzkaller.appspot.com/bug?id=f4d1cb4330bd3ddf4a628332b4285407b2eedd7b Third Party Advisory
https://usn.ubuntu.com/4414-1/ Third Party Advisory

Timeline

Published2019-11-30By the CVE Program.
NVD record modified2026-10-08NVD's own last-modified date for this record.