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-2022-32296

CVE-2022-32296LOW

n/a n/a — The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used.

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  U  L  N  N    3.3   .0044   36.6     —

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

TIMELINE
  Jun 5   Reserved by mitre
  Jun 5   Published (CNA: mitre)
  Oct 14  ENRICHED — CVE-2022-32296. Received CVSS 3.3 and CPE data from NVD.

CWE-330 · CNA: mitre · CVSS v3.1 · 8 references · NVD status: Modified

Description

The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. This occurs because of use of Algorithm 4 ("Double-Hash Port Selection Algorithm") of RFC 6056.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
June 5, 2022	Reserved	Reserved by mitre
June 5, 2022	Published	Published (CNA: mitre)
October 14, 2026	ENRICHED	ENRICHED — CVE-2022-32296. Received CVSS 3.3 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-330

References (8)

Authoritative record: CVE-2022-32296 at cve.org

Weaknesses: CWE-330

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2022-32296 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.