Bug 2281951 (CVE-2024-31142, XSA-455)

Summary: CVE-2024-31142 xen: Incomplete fix for XSA-407 and XSA-434
Product: [Other] Security Response Reporter: Pedro Sampaio <psampaio>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
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Version: unspecifiedKeywords: Security
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Bug Depends On: 2281952    
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Description Pedro Sampaio 2024-05-20 17:31:48 UTC 
Because of a logical error in XSA-407 (Branch Type Confusion), the
mitigation is not applied properly when it is intended to be used.
XSA-434 (Speculative Return Stack Overflow) uses the same
infrastructure, so is equally impacted.

For more details, see:
  https://xenbits.xen.org/xsa/advisory-407.html
  https://xenbits.xen.org/xsa/advisory-434.html

https://xenbits.xenproject.org/xsa/advisory-455.html
Comment 1 Pedro Sampaio 2024-05-20 17:32:01 UTC 
Created xen tracking bugs for this issue:

Affects: fedora-all [bug 2281952]