speed47/spectre-meltdown-checker v26.26.0404682

on GitHub

Another big round of updates as I'm catching up with the recent CVEs.

New CVE/vulnerabilities detection

• CVE-2024-28956 (ITS - Indirect Target Selection)
• CVE-2025-40300 (VMScape)
• CVE-2024-45332 (BTI - Branch Target Injection)

Enhancements to existing CVE detections

• CVE-2023-23583 (Reptar): update known fixed microcode versions
• CVE-2024-45332 (BPI): add known fixed microcode versions

Bug fixes

• Fix sys_interface_check() not properly setting the caller's $msg variable in the latest release (#533)

New documented unsupported CVEs

Already covered by an existing CVE check:

• CVE-2025-20623 - Shared Microarchitectural Predictor State (10th Gen Intel), covered by CVE-2024-45332 (BPI)
• CVE-2025-24495 - Lion Cove BPU Initialization, covered by CVE-2024-28956 (ITS)

No kernel or microcode mitigations to check:

• CVE-2020-12965 - Transient Execution of Non-Canonical Accesses / SLAM (AMD)
• CVE-2024-7881 - ARM Prefetcher Privilege Escalation

Not a transient/speculative execution vulnerability:

• CVE-2023-31315 - SinkClose (AMD SMM Lock Bypass)
• CVE-2024-56161 - EntrySign (AMD Microcode Signature Bypass)
• CVE-2025-29943 - StackWarp (AMD SEV-SNP)