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prionPRIOn knowledge basePRION:CVE-2020-29568
HistoryDec 15, 2020 - 5:15 p.m.

Design/Logic Flaw

2020-12-1517:15:00
PRIOn knowledge base
www.prio-n.com
9

7.1 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

14.2%

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.

CPENameOperatorVersion
debian_linuxeq9.0
debian_linuxeq10.0
xenle4.14.1