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PRIOn knowledge basePRION:CVE-2018-14678HistoryJul 28, 2018 - 6:29 p.m.
Denial of service
2018-07-2818:29:00
PRIOn knowledge base
www.prio-n.com
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An issue was discovered in the Linux kernel through 4.17.11, as used in Xen through 4.11.x. The xen_failsafe_callback entry point in arch/x86/entry/entry_64.S does not properly maintain RBX, which allows local users to cause a denial of service (uninitialized memory usage and system crash). Within Xen, 64-bit x86 PV Linux guest OS users can trigger a guest OS crash or possibly gain privileges.
| CPE | Name | Operator | Version |
|---|---|---|---|
| ubuntu_linux | eq | 18.04 | |
| ubuntu_linux | eq | 14.04 | |
| ubuntu_linux | eq | 16.04 | |
| debian_linux | eq | 8.0 | |
| debian_linux | eq | 9.0 | |
| linux_kernel | ge | 4.14.21 | |
| linux_kernel | lt | 4.14.61 | |
| linux_kernel | ge | 4.15.5 | |
| linux_kernel | lt | 4.17.13 | |
| xen | le | 4.11.0 |
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