CVE-2024-31142
x86: Incorrect logic for BTC/SRSO mitigations
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x86: Incorrect logic for BTC/SRSO mitigations
| Assigner | XEN |
| Reserved | 2024-03-28 |
| Published | 2024-05-16 |
| Updated | 2024-08-02 |
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
This issue was discovered by Andrew Cooper of XenServer.
https://xenbits.xenproject.org/xsa/advisory-455.html
