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PRIOn knowledge basePRION:CVE-2020-29568HistoryDec 15, 2020 - 5:15 p.m.
Design/Logic Flaw
2020-12-1517:15:00
PRIOn knowledge base
www.prio-n.com
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An issue was discovered in Xen through 4.14.x. Some OSes (such as Linux, FreeBSD, and NetBSD) are processing watch events using a single thread. If the events are received faster than the thread is able to handle, they will get queued. As the queue is unbounded, a guest may be able to trigger an OOM in the backend. All systems with a FreeBSD, Linux, or NetBSD (any version) dom0 are vulnerable.
| CPE | Name | Operator | Version |
|---|---|---|---|
| debian_linux | eq | 9.0 | |
| debian_linux | eq | 10.0 | |
| xen | le | 4.14.1 |
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