Linux
CVE-2026-99176: In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset th
CVE-2026-99176 Oct 28, 2026 Source: Vendor
In the Linux kernel, the following vulnerability has been resolved:
KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry
Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails
in the "not from VM-Entry" case, i.e. when emulating RSM or handling
KVM_SET_NESTED_STATE. Failure to unwind the MMU pointer results in KVM
trying to run L1 with a nested MMU, and is especially problematic if the
vCPU manages to free its nested state before the VM crashe
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://nvd.nist.gov/vuln/detail/CVE-2026-99176
Are you credited here? Sign in to claim your line. It is yours immediately, with no review queue. The name the vendor printed stays next to your handle for anyone to check against the advisory above, and any member who thinks a claim is wrong can refute it.
Credited
0 lines
No credit lines recorded on this release yet.