VDB

DEBIAN-CVE-2021-3564

DEBIAN-CVE-2021-3564 PUBLISHED CVSS 5.5 MEDIUM

Record from OSV · Published June 8, 2021

A flaw double-free memory corruption in the Linux kernel HCI device initialization subsystem was found in the way user attach malicious HCI TTY Bluetooth device. A local user could use this flaw to crash the system. This flaw affects all the Linux kernel versions starting from 3.13.

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
linuxDebian:135.10.46-1
linuxDebian:145.10.46-1
linuxDebian:125.10.46-1

Risk scores

CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

VendorProductVersions
Debian:13linux0
Debian:14linux0
Debian:12linux0

Timeline

  • Jun 8, 2021 CVE Published
  • Oct 23, 2026 CVE Updated

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln DEBIAN-CVE-2021-3564
vulnetix vdb fixes DEBIAN-CVE-2021-3564

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/DEBIAN-CVE-2021-3564/fixes/registry"

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