Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2019-19462

CVE-2019-19462MEDIUM

n/a n/a — 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) b…

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  U  N  N  H    5.5   .0046   38.5     —

AFFECTED
  Product  Versions  Fixed
  n/a      n/a –     —

TIMELINE
  Nov 30  Reserved by mitre
  Nov 30  Published (CNA: mitre)
  Oct 8   ENRICHED — CVE-2019-19462. Received CVSS 5.5 and CPE data from NVD.

CWE-476 · CNA: mitre · CVSS v3.1 · 15 references · NVD status: Modified

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
November 30, 2019	Reserved	Reserved by mitre
November 30, 2019	Published	Published (CNA: mitre)
October 8, 2026	ENRICHED	ENRICHED — CVE-2019-19462. Received CVSS 5.5 and CPE data from NVD.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	n/a	—	n/a	—

Weaknesses

CWE-476

References (15)

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]
https://usn.ubuntu.com/4425-1/ [Third Party Advisory]
https://usn.ubuntu.com/4439-1/ [Third Party Advisory]
https://usn.ubuntu.com/4440-1/ [Third Party Advisory]
https://www.debian.org/security/2020/dsa-4698 [Third Party Advisory]
https://www.debian.org/security/2020/dsa-4699 [Third Party Advisory]

Authoritative record: CVE-2019-19462 at cve.org

Weaknesses: CWE-476

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2019-19462 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.