Bug 2333975 (CVE-2024-53145)

Summary: CVE-2024-53145 kernel: um: Fix potential integer overflow during physmem setup
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Version: unspecifiedCC: dfreiber, drow, jburrell, mcascell, vkumar
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Hardware: All   
OS: Linux   
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Description OSIDB Bzimport 2024-12-24 12:01:42 UTC 
In the Linux kernel, the following vulnerability has been resolved:

um: Fix potential integer overflow during physmem setup

This issue happens when the real map size is greater than LONG_MAX,
which can be easily triggered on UML/i386.
Comment 1 Avinash Hanwate 2024-12-24 13:16:39 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024122424-CVE-2024-53145-1a25@gregkh/T