Bug 2328790 (CVE-2024-53098)

Summary: CVE-2024-53098 kernel: drm/xe/ufence: Prefetch ufence addr to catch bogus address
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Priority: medium    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
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Hardware: All   
OS: Linux   
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Bug Depends On: 2328805    
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Description OSIDB Bzimport 2024-11-25 22:01:10 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/xe/ufence: Prefetch ufence addr to catch bogus address

access_ok() only checks for addr overflow so also try to read the addr
to catch invalid addr sent from userspace.

(cherry picked from commit 9408c4508483ffc60811e910a93d6425b8e63928)
Comment 1 Robb Gatica 2024-11-25 22:19:28 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024112506-CVE-2024-53098-2135@gregkh/T