Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Do not clear VM-wide SVE feature on vCPU init failure pkvm_vcpu_init_sve() clears KVM_ARM_VCPU_SVE in kvm->arch.vcpu_features when it fails, but vcpu_has_sve() tests KVM_ARCH_FLAG_GUEST_HAS_SVE, which is left set. Later vCPUs on that VM then skip the SVE setup and register with a NULL sve_state, which the guest's first FP access hands to sve_load_state(). Return the error without touching vcpu_features.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 5db1bef933427aa467ad89c7b695a84a6b4afe16 before bd46b41f412fb81c50bac1a0929ec31320f3a807; affected 5db1bef933427aa467ad89c7b695a84a6b4afe16 before f0cd8ffae092cc1b9d7cfa9188ed5a88a374adcb; affected 5db1bef933427aa467ad89c7b695a84a6b4afe16 before a1b3c788ad31837e348075e93dbba3f447492776 |
| Linux / Linux | affected 6.16; unaffected 0 before 6.16; unaffected 6.18.55 through 6.18.*; unaffected 7.2.9 through 7.2.*; unaffected 7.3 through * |
CWE
No CWE identifiers supplied.