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CVE-2017-12188 arch/x86/kvm/mmu.c in the Linux kernel through 4.13.5, when nested virtualisation is used, does not properly traverse…
Description
arch/x86/kvm/mmu.c in the Linux kernel through 4.13.5, when nested virtualisation is used, does not properly traverse guest pagetable entries to resolve a guest virtual address, which allows L1 guest OS users to execute arbitrary code on the host OS or cause a denial of service (incorrect index during page walking, and host OS crash), aka an "MMU potential stack buffer overrun."
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux kernel | Versions not published |
References
- RHSA-2018:0412 access.redhat.com
- RHSA-2018:0395 access.redhat.com
- patchwork.kernel.org patchwork.kernel.org
- patchwork.kernel.org patchwork.kernel.org
- 101267 www.securityfocus.com
- bugzilla.redhat.com bugzilla.redhat.com
Timeline
- Published
- Last modified
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