xen: Multiple vulnerabilities (CVE-2020-11739, CVE-2020-11740, CVE-2020-11741, CVE-2020-11742, CVE-2020-11743)
CVE-2020-11740, CVE-2020-11741, XSA-313: Multiple xenoprof issues
All Xen versions back to at least 3.2 are vulnerable.
Reference:
http://xenbits.xen.org/xsa/advisory-313.html
CVE-2020-11739, XSA-314: Missing memory barriers in read-write unlock paths
Reference:
http://xenbits.xen.org/xsa/advisory-314.html
CVE-2020-11742, XSA-318: Bad continuation handling in GNTTABOP_copy
Reference:
http://xenbits.xen.org/xsa/advisory-318.html
CVE-2020-11743, XSA-316: Bad error path in GNTTABOP_map_grant
Reference:
http://xenbits.xen.org/xsa/advisory-316.html
Affected branches:
-
master -
3.11-stable -
3.10-stable -
3.9-stable -
3.8-stable