Bug 2139610 (CVE-2022-3640) - CVE-2022-3640 kernel: use after free flaw in l2cap_conn_del in net/bluetooth/l2cap_core.c
Summary: CVE-2022-3640 kernel: use after free flaw in l2cap_conn_del in net/bluetooth/...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2022-3640
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: Red Hat2139617 Red Hat2139618 2139614 Red Hat2139615 Red Hat2139616 Red Hat2140026
Blocks: Embargoed2137103
TreeView+ depends on / blocked
 
Reported: 2022-11-03 05:27 UTC by Rohit Keshri
Modified: 2023-05-12 20:12 UTC (History)
50 users (show)

Fixed In Version:
Doc Type: ---
Doc Text:
A vulnerability was found in the Linux Kernel in the l2cap_conn_del in net/bluetooth/l2cap_core.c function in the Bluetooth component. This issue leads to a use-after-free problem.
Clone Of:
Environment:
Last Closed: 2023-05-09 17:15:05 UTC

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2023:2148 0 None None None 2023-05-09 07:12:16 UTC
Red Hat Product Errata RHSA-2023:2458 0 None None None 2023-05-09 07:51:55 UTC

Description Rohit Keshri 2022-11-03 05:27:52 UTC 
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.

https://vuldb.com/?id.211944
https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=42cf46dea905a80f6de218e837ba4d4cc33d6979
Comment 1 Rohit Keshri 2022-11-03 05:45:16 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2139614]
Comment 8 errata-xmlrpc 2023-05-09 07:12:13 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:2148 https://access.redhat.com/errata/RHSA-2023:2148
Comment 9 errata-xmlrpc 2023-05-09 07:51:52 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:2458 https://access.redhat.com/errata/RHSA-2023:2458
Comment 10 Product Security DevOps Team 2023-05-09 17:15:00 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2022-3640
Note You need to log in before you can comment on or make changes to this bug.