Bug 1731862 (CVE-2019-17351) - CVE-2019-17351 xen: no grant table and foreign mapping limits leading to crash and DoS
Summary: CVE-2019-17351 xen: no grant table and foreign mapping limits leading to cras...
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2019-17351
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1731864
Blocks: 1731867
TreeView+ depends on / blocked
 
Reported: 2019-07-22 08:46 UTC by Marian Rehak
Modified: 2019-11-12 09:03 UTC (History)
12 users (show)

Fixed In Version:
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Last Closed: 2019-08-29 11:02:14 UTC


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Description Marian Rehak 2019-07-22 08:46:48 UTC
If the backend is domain 0, which is the most common configuration, then host-wide operations may be starved, or the host may crash (Host Denial-of-Service).

External References:

https://xenbits.xen.org/xsa/advisory-300.html

Comment 1 Marian Rehak 2019-07-22 08:46:51 UTC
Acknowledgments:

Name: Julien Grall (ARM)

Comment 2 Marian Rehak 2019-07-22 08:47:12 UTC
Created xen tracking bugs for this issue:

Affects: fedora-all [bug 1731864]


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