CVE
CVE-2018-12904
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.
- Severity
- MEDIUM
- CVSS
- 4.9
- Published
- Modified
Linked Releases
| Distribution | Release | Status | Evidence |
|---|---|---|---|
| Ubuntu | 18.04.6 amd64 desktop | unknown | source |
| Ubuntu | 18.04.6 amd64 live-server | unknown | source |
| Ubuntu | 16.04.7 amd64 desktop | unknown | source |
| Ubuntu | 16.04.6 i386 desktop | unknown | source |
| Ubuntu | 16.04.7 amd64 server | unknown | source |
| Ubuntu | 16.04.6 i386 server | unknown | source |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=727ba748e110b4de50d142edca9d6a9b7e6111d8
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1589
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.17.2
- https://github.com/torvalds/linux/commit/727ba748e110b4de50d142edca9d6a9b7e6111d8
- https://usn.ubuntu.com/3752-1/
- https://usn.ubuntu.com/3752-2/
- https://usn.ubuntu.com/3752-3/
- https://www.exploit-db.com/exploits/44944/
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=727ba748e110b4de50d142edca9d6a9b7e6111d8
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1589
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.17.2
- https://github.com/torvalds/linux/commit/727ba748e110b4de50d142edca9d6a9b7e6111d8
- https://usn.ubuntu.com/3752-1/
- https://usn.ubuntu.com/3752-2/
- https://usn.ubuntu.com/3752-3/
- https://www.exploit-db.com/exploits/44944/