CVE-2026-64592

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
06/08/2026
Last modified:
17/08/2026

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> riscv: mm: Unconditionally sfence.vma for spurious fault<br /> <br /> Svvptc does not guarantee that it&amp;#39;s safe to just return here. Since we<br /> have already cleared our bit, if, theoretically, the bounded timeframe<br /> for the accessed page to become valid still hasn&amp;#39;t happened after sret,<br /> we could fault again and actually crash.<br /> <br /> Hopefully, these spurious faults should be rare enough that this is an<br /> acceptable slowdown.

Impact