Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2022-3640 Details

Description

A vulnerability, which was classified as critical, was found in Linux Kernel. Affected is the function l2cap_conn_del 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 identifier of this vulnerability is VDB-211944.

Metrics

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=42cf46dea905a80f6de218e837ba4d4cc33d6979 CVEExploitMailing ListPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html CVEMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html CVEMailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DGOIRR72OAFE53XZRUDZDP7INGLIC3E3/ CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OD7VWUT7YAU4CJ247IF44NGVOAODAJGC/ CVE

see all 14 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer[email protected]
CWE-416Use After Free[email protected]

Affected Products

ProductVersions
linux linux kernel
>= 4.9.326, < 4.9.333
>= 4.14.291, < 4.14.299
>= 4.19.255, < 4.19.265
>= 5.4.209, < 5.4.224
>= 5.10.135, < 5.10.154

CPE

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
fedoraproject fedora
35
36
37

CPE

  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
debian debian linux
10.0

CPE

  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

10 change records found show changes


QUICK INFO

CVE Dictionary Entry:
CVE-2022-3640
NVD Published Date:
Oct 21, 2022
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2022-3640 Details - Not Deferred