CVE-2021-43400

CRITICAL

9.1

Description

An issue was discovered in gatt-database.c in BlueZ 5.61. A use-after-free can occur when a client disconnects during D-Bus processing of a WriteValue call.

CVE Details

CVSS v3.1 Score9.1

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published11/4/2021

Last Modified11/4/2025

Sourcenvd

Honeypot Sightings0

Affected Products

bluez:bluezdebian:debian_linux

Weaknesses (CWE)

CWE-416

References

https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=838c0dc7641e1c991c0f3027bf94bee4606012f8(cve@mitre.org)

https://lists.debian.org/debian-lts-announce/2022/10/msg00026.html(cve@mitre.org)

https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=838c0dc7641e1c991c0f3027bf94bee4606012f8(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2022/10/msg00026.html(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2024/09/msg00022.html(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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