Bug 2419858 (CVE-2023-53751) - CVE-2023-53751 kernel: cifs: fix potential use-after-free bugs in TCP_Server_Info::hostname
Summary: CVE-2023-53751 kernel: cifs: fix potential use-after-free bugs in TCP_Server_...
Keywords:
Status: NEW
Alias: CVE-2023-53751
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
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Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-12-08 07:03 UTC by OSIDB Bzimport
Modified: 2025-12-10 09:49 UTC (History)
0 users

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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
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