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-2020-14416

CVE-2020-14416MEDIUM

n/a n/a — In the Linux kernel before 5.4.16, a race condition in tty->disc_data handling in the slip and slcan line discipline could lead to a use-…

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   H   R  U  N  N  H    4.2   .0031   22.2     —

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

TIMELINE
  Jun 18  Reserved by mitre
  Jun 18  Published (CNA: mitre)
  Oct 8   ENRICHED — CVE-2020-14416. Received CVSS 4.2 and CPE data from NVD.

CWE-362, CWE-416 · CNA: mitre · CVSS v3.1 · 5 references · NVD status: Modified

Description

In the Linux kernel before 5.4.16, a race condition in tty->disc_data handling in the slip and slcan line discipline could lead to a use-after-free, aka CID-0ace17d56824. This affects drivers/net/slip/slip.c and drivers/net/can/slcan.c.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
June 18, 2020	Reserved	Reserved by mitre
June 18, 2020	Published	Published (CNA: mitre)
October 8, 2026	ENRICHED	ENRICHED — CVE-2020-14416. Received CVSS 4.2 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-362 · CWE-416

References (5)

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html [Mailing List, Third Party Advisory]
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html [Mailing List, Third Party Advisory]
https://bugzilla.suse.com/show_bug.cgi?id=1162002 [Issue Tracking, Patch, Third Party Advisory]
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.16 [Release Notes, Vendor Advisory]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ace17d56824165c7f4c68785d6b58971db954dd [Patch, Vendor Advisory]

Authoritative record: CVE-2020-14416 at cve.org

Weaknesses: CWE-362 · CWE-416

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2020-14416 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.