Bug 2419858 (CVE-2023-53751) - CVE-2023-53751 kernel: Linux kernel Bluetooth L2CAP: Kernel crash due to use-after-free via race condition
Summary: CVE-2023-53751 kernel: Linux kernel Bluetooth L2CAP: Kernel crash due to use-...
Keywords:
Status: NEW
Alias: CVE-2023-53751
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-12-08 07:03 UTC by OSIDB Bzimport
Modified: 2026-02-11 17:04 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:1512 0 None None None 2026-01-28 19:15:05 UTC
Red Hat Product Errata RHSA-2026:1886 0 None None None 2026-02-04 09:03:48 UTC
Red Hat Product Errata RHSA-2026:1909 0 None None None 2026-02-04 18:28:39 UTC
Red Hat Product Errata RHSA-2026:1946 0 None None None 2026-02-04 18:51:12 UTC
Red Hat Product Errata RHSA-2026:2490 0 None None None 2026-02-11 00:16:04 UTC
Red Hat Product Errata RHSA-2026:2535 0 None None None 2026-02-11 11:50:58 UTC
Red Hat Product Errata RHSA-2026:2573 0 None None None 2026-02-11 16:30:36 UTC
Red Hat Product Errata RHSA-2026:2577 0 None None None 2026-02-11 17:04:21 UTC

Description OSIDB Bzimport 2025-12-08 07:03:53 UTC 
In the Linux kernel, the following vulnerability has been resolved:

cifs: fix potential use-after-free bugs in TCP_Server_Info::hostname

TCP_Server_Info::hostname may be updated once or many times during
reconnect, so protect its access outside reconnect path as well and
then prevent any potential use-after-free bugs.
Comment 1 Alexander B 2025-12-10 09:45:21 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025120842-CVE-2023-53751-2ff2@gregkh/T
Comment 5 errata-xmlrpc 2026-01-28 19:15:04 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Advanced Update Support

Via RHSA-2026:1512 https://access.redhat.com/errata/RHSA-2026:1512
Comment 6 errata-xmlrpc 2026-02-04 09:03:47 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On

Via RHSA-2026:1886 https://access.redhat.com/errata/RHSA-2026:1886
Comment 7 errata-xmlrpc 2026-02-04 18:28:38 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:1909 https://access.redhat.com/errata/RHSA-2026:1909
Comment 8 errata-xmlrpc 2026-02-04 18:51:11 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:1946 https://access.redhat.com/errata/RHSA-2026:1946
Comment 9 errata-xmlrpc 2026-02-11 00:16:03 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.6 Telecommunications Update Service

Via RHSA-2026:2490 https://access.redhat.com/errata/RHSA-2026:2490
Comment 10 errata-xmlrpc 2026-02-11 11:50:55 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.8 Telecommunications Update Service

Via RHSA-2026:2535 https://access.redhat.com/errata/RHSA-2026:2535
Comment 11 errata-xmlrpc 2026-02-11 16:30:33 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2026:2573 https://access.redhat.com/errata/RHSA-2026:2573
Comment 12 errata-xmlrpc 2026-02-11 17:04:19 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2026:2577 https://access.redhat.com/errata/RHSA-2026:2577
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