CVE-2026-98470: Linux

Описание

Оригинално описание

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Don't WARN on an unknown VM ioctl in protected mode kvm_pkvm_ioctl_allowed() WARNs when kvm_get_cap_for_kvm_ioctl() doesn't find the ioctl number in vm_ioctl_caps[], and kvm_arch_vm_ioctl() calls it for every number the generic code doesn't handle, so ioctl(vm_fd, 0xdeadbeef) from userspace taints a pKVM host and panics it under panic_on_warn. The lookup is fed userspace input: return false, and userspace gets the -EINVAL kvm_arch_vm_ioctl() returns for that number on a host without pKVM.

Засегнати продукти

• Linux Linux: b12b3b04f6ba072ca5a618a75e546c996be94bd1 преди cc53eb5c6515e3221314624a22c9da9c80a67f63; b12b3b04f6ba072ca5a618a75e546c996be94bd1 преди 49d9d295d69d07e850cae35933ba8519e2915f26
• Linux Linux: 7.0; преди 7.0; 7.2.9 до 7.2.*; от 7.3 нататък

История

Други уязвимости в Linux Linux

• 8.1CVE-2026-99270
• 7.8CVE-2026-99269
• CVE-2026-99268
• CVE-2026-99266
• CVE-2026-99267

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2026-98470
• https://nvd.nist.gov/vuln/detail/CVE-2026-98470
• https://git.kernel.org/stable/c/cc53eb5c6515e3221314624a22c9da9c80a67f63
• https://git.kernel.org/stable/c/49d9d295d69d07e850cae35933ba8519e2915f26