Bug 2266212 (CVE-2023-52467) - CVE-2023-52467 kernel:null pointer dereference in of_syscon_register()
Summary: CVE-2023-52467 kernel:null pointer dereference in of_syscon_register()
Keywords:
Status: NEW
Alias: CVE-2023-52467
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2266333
Blocks: 2266208
TreeView+ depends on / blocked
 
Reported: 2024-02-27 05:15 UTC by Rohit Keshri
Modified: 2024-03-17 17:14 UTC (History)
49 users (show)

Fixed In Version:
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Doc Text:
A vulnerability was found in the Linux kernel, where A NULL pointer dereference flaw may occur in _syscon_register(). In this issue, kasprintf() returns a pointer to dynamically allocated memory, which can be NULL upon failure.
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Last Closed:
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Description Rohit Keshri 2024-02-27 05:15:19 UTC 
In the Linux kernel, the following vulnerability has been resolved:

mfd: syscon: Fix null pointer dereference in of_syscon_register()

kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure.

https://git.kernel.org/stable/c/3ef1130deee98997275904d9bfc37af75e1e906c
https://git.kernel.org/stable/c/41673c66b3d0c09915698fec5c13b24336f18dd1
https://git.kernel.org/stable/c/527e8c5f3d00299822612c495d5adf1f8f43c001
https://git.kernel.org/stable/c/7f2c410ac470959b88e03dadd94b7a0b71df7973
https://git.kernel.org/stable/c/927626a2073887ee30ba00633260d4d203f8e875
https://git.kernel.org/stable/c/c3e3a2144bf50877551138ffce9f7aa6ddfe385b
Comment 2 Rohit Keshri 2024-02-27 16:20:06 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2266333]
Comment 5 Justin M. Forbes 2024-02-27 18:57:07 UTC 
This was fixed for Fedora with the 6.6.14 stable kernel updates.
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