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Use After Free Affecting kernel-rt-debug package, versions <0:4.18.0-513.5.1.rt7.307.el8_9

Severity

 Recommended
0.0
high
0
10

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.23% (62nd percentile)

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  • Snyk ID SNYK-CENTOS8-KERNELRTDEBUG-3099340
  • published 3 Nov 2022
  • disclosed 17 Oct 2022
Report a new vulnerability Found a mistake?

Introduced: 17 Oct 2022

CVE-2022-3640 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade Centos:8 kernel-rt-debug to version 0:4.18.0-513.5.1.rt7.307.el8_9 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug package and not the kernel-rt-debug package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

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.

References

CVSS Scores

version 3.1
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NVD

8.8 high
  • Attack Vector (AV)
    Adjacent
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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Red Hat

7.1 high
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SUSE

7.1 high