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-2022-26878

CVE-2022-26878MEDIUM

n/a n/a — drivers/bluetooth/virtio_bt.c in the Linux kernel before 5.16.3 has a memory leak (socket buffers have memory allocated but not freed).

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  U  N  N  H    5.5   .0034   25.4     —

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

TIMELINE
  Mar 11  Reserved by mitre
  Mar 11  Published (CNA: mitre)
  Oct 8   ENRICHED — CVE-2022-26878. Received CVSS 5.5 and CPE data from NVD.

CWE-401 · CNA: mitre · CVSS v3.1 · 5 references · NVD status: Analyzed

Description

drivers/bluetooth/virtio_bt.c in the Linux kernel before 5.16.3 has a memory leak (socket buffers have memory allocated but not freed).

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
March 11, 2022	Reserved	Reserved by mitre
March 11, 2022	Published	Published (CNA: mitre)
October 8, 2026	ENRICHED	ENRICHED — CVE-2022-26878. 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-401

References (5)

http://www.openwall.com/lists/oss-security/2022/03/11/1 [Mailing List, Patch, Third Party Advisory]
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.17 [Release Notes, Vendor Advisory]
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.3 [Release Notes, Vendor Advisory]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1d0688421449718c6c5f46e458a378c9b530ba18 [Patch, Vendor Advisory]
https://lore.kernel.org/linux-bluetooth/1A203F5E-FB5E-430C-BEA3-86B191D69D58%40holtmann.org/ [Patch]

Authoritative record: CVE-2022-26878 at cve.org

Weaknesses: CWE-401

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2022-26878 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.