CVE-2018-12904
Summary
| CVE | CVE-2018-12904 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2018-06-27 11:29:00 UTC |
| Updated | 2019-10-03 00:03:00 UTC |
| Description | In arch/x86/kvm/vmx.c in the Linux kernel before 4.17.2, when nested virtualization is used, local attackers could cause L1 KVM guests to VMEXIT, potentially allowing privilege escalations and denial of service attacks due to lack of checking of CPL. |
Risk And Classification
Problem Types: NVD-CWE-noinfo
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Canonical | Ubuntu Linux | 16.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 18.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 16.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 18.04 | All | All | All |
| Operating System | Linux | Linux Kernel | All | All | All | All |
| Operating System | Linux | Linux Kernel | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| USN-3752-1: Linux kernel vulnerabilities | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | Third Party Advisory |
| kernel/git/torvalds/linux.git - Linux kernel source tree | MISC | git.kernel.org | Patch, Vendor Advisory |
| USN-3752-2: Linux kernel (HWE) vulnerabilities | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | Third Party Advisory |
| KVM (Nested Virtualization) - L1 Guest Privilege Escalation - Linux dos Exploit | EXPLOIT-DB | www.exploit-db.com | Exploit, Third Party Advisory, VDB Entry |
| kvm: nVMX: Enforce cpl=0 for VMX instructions · torvalds/linux@727ba74 · GitHub | MISC | github.com | Patch, Third Party Advisory |
| cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.17.2 | MISC | cdn.kernel.org | Release Notes, Vendor Advisory |
| 1589 - project-zero - Project Zero - Monorail | MISC | bugs.chromium.org | Exploit, Third Party Advisory |
| USN-3752-3: Linux kernel (Azure, GCP, OEM) vulnerabilities | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | Third Party Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.