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-2022-3564

CVE-2022-3564HIGH

Linux Kernel Bluetooth l2cap_core.c l2cap_reassemble_sdu use after free

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   A   H   L   N  U  H  H  H    7.1   .0146   73.0     —

AFFECTED
  Product  Versions  Fixed
  Kernel   n/a –     —

TIMELINE
  Oct 17  Reserved by VulDB
  Oct 17  Published (CNA: VulDB)
  Oct 14  RESCORED — CVE-2022-3564 (Linux Kernel). CVSS 5.5 → 7.1 (NVD).

CWE-362, CWE-119 · CNA: VulDB · CVSS v3.1 · 6 references · NVD status: Modified

Description

A vulnerability classified as critical was found in Linux Kernel. Affected by this vulnerability is the function l2cap_reassemble_sdu of the file net/bluetooth/l2cap_core.c of the component Bluetooth. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211087.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
October 17, 2022	Reserved	Reserved by VulDB
October 17, 2022	Published	Published (CNA: VulDB)
October 14, 2026	RESCORED	RESCORED — CVE-2022-3564 (Linux Kernel). CVSS 5.5 → 7.1 (NVD).

Affected

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

Weaknesses

CWE-362 · CWE-119

References (6)

https://cert-portal.siemens.com/productcert/html/ssa-794697.html
https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=89f9f3cb86b1c63badaf392a83dd661d56cc50b1 [Patch]
https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html [Mailing List, Third Party Advisory]
https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html [Mailing List, Third Party Advisory]
https://security.netapp.com/advisory/ntap-20221223-0001/ [Third Party Advisory]
https://vuldb.com/?id.211087 [Third Party Advisory]

Authoritative record: CVE-2022-3564 at cve.org

Vendors: linux

Weaknesses: CWE-362 · CWE-119

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2022-3564 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.