Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: riscv: mm: Unconditionally sfence.vma for spurious fault Svvptc does not guarantee that it's safe to just return here. Since we have already cleared our bit, if, theoretically, the bounded timeframe for the accessed page to become valid still hasn't happened after sret, we could fault again and actually crash. Hopefully, these spurious faults should be rare enough that this is an acceptable slowdown.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 503638e0babf364061bc50fca5103b00a56cc50a before c4df24702bfc3cd2bed7746b94dc6139a3fa5428; affected 503638e0babf364061bc50fca5103b00a56cc50a before 4d730cab96e6b75e4a07c4baf37294ebc07f795e; affected 503638e0babf364061bc50fca5103b00a56cc50a before ede985ff4b569ed2454024f8bb107a6729fe08aa; affected 503638e0babf364061bc50fca5103b00a56cc50a before 1b2c6b56a9fa0dcbef461039937de22b1cbecc7d |
| Linux / Linux | affected 6.12; unaffected 0 before 6.12; unaffected 6.12.96 through 6.12.*; unaffected 6.18.39 through 6.18.*; unaffected 7.1.4 through 7.1.*; unaffected 7.2 through * |
CWE
No CWE identifiers supplied.