CVE-2021-3455 - OpenCVE

Disconnecting L2CAP channel right after invalid ATT request leads freeze. Zephyr versions >= 2.4.0, >= 2.5.0 contain Use After Free (CWE-416). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7g38-3x9v-v7vp

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Zephyrproject	Zephyr

Configuration 1 [-]

cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*

No data.

References

Link	Providers
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7g38-3x9v-v7vp

History

No history.

MITRE

Status: PUBLISHED

Assigner: zephyr

Published: 2021-10-19T22:25:09.479971Z

Updated: 2024-09-16T18:38:53.853Z

Reserved: 2021-03-19T00:00:00

Link: CVE-2021-3455

Vulnrichment

No data.

NVD

Status : Analyzed

Published: 2021-10-19T23:15:07.587

Modified: 2021-10-26T17:28:45.670

Link: CVE-2021-3455

Redhat

No data.

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