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This project will be discontinued after December 13, 2021. [more]
2018-06-27
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.
| Products | Ubuntu_linux, Linux_kernel |
| Type | Permissions, Privileges, and Access Controls (CWE-264) |
| First patch |
https://github.com/torvalds/linux/commit/727ba748e110b4de50d142edca9d6a9b7e6111d8 |
| Relevant file/s | ./arch/x86/kvm/vmx.c (modified, +13, -2) |
| Links |
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=727ba748e110b4de50d142edca9d6a9b7e6111d8
• https://usn.ubuntu.com/3752-2/ • https://usn.ubuntu.com/3752-1/ • https://bugs.chromium.org/p/project-zero/issues/detail?id=1589 • https://www.exploit-db.com/exploits/44944/ |
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