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CVE-2022-3564

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Date: October 16, 2022

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.

Language: C

Severity Score

Related Resources (9)

https://security-tracker.debian.org/tracker/CVE-2022-3564
https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=89f9f3cb86b1c63badaf392a83dd661d56cc50b1
https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html
https://nvd.nist.gov/vuln/detail/CVE-2022-3564
https://access.redhat.com/security/cve/CVE-2022-3564
https://security.netapp.com/advisory/ntap-20221223-0001/
https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html
https://vuldb.com/?id.211087
https://www.mend.io/vulnerability-database/CVE-2022-3564

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-362

Use After Free

CWE-416

Top Fix

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Upgrade Version

Upgrade to version linux-yocto - 4.10+gitAUTOINC+805ea440c7_b259a5d744;linux-yocto - 4.8.26+gitAUTOINC+1c60e003c7_27efc3ba68;linux-libc-headers - 5.14

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CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

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