QEMU Guest P2M Pool Freeing May Cause Excessive Latency
CVE-2022-33746 Published on October 11, 2022

P2M pool freeing may take excessively long The P2M pool backing second level address translation for guests may be of significant size. Therefore its freeing may take more time than is reasonable without intermediate preemption checks. Such checking for the need to preempt was so far missing.

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Products Associated with CVE-2022-33746

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Citrix Xen Xen
 
Fedora Project Fedora
 
Debian Linux
 
QEMU
 

Affected Versions

xen Version consult Xen advisory XSA-410 is unknown by CVE-2022-33746

Exploit Probability

EPSS
0.03%
Percentile
9.62%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.