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  • #8614

Closed
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Opened Mar 06, 2018 by Alicha CH@alichaReporter
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[3.7] xen: Multiple vulnerabilitie (CVE-2018-7540, CVE-2018-7541, CVE-2018-7542)

CVE-2018-7540, XSA-252: DoS via non-preemptable L3/L4 pagetable freeing

All Xen versions are vulnerable.

Reference:

http://xenbits.xen.org/xsa/advisory-252.html

CVE-2018-7541, XSA-255: grant table v2 ->v1 transition may crash Xen

Xen versions 4.0 and newer are vulnerable.

Reference:

http://xenbits.xen.org/xsa/advisory-255.html

CVE-2018-7542, XSA-256: x86 PVH guest without LAPIC may DoS the host

Xen version 4.8 and onwards are vulnerable.

Reference:

http://xenbits.xen.org/xsa/advisory-256.html

(from redmine: issue id 8614, created on 2018-03-06, closed on 2018-03-19)

  • Relations:
    • copied_to #8612 (closed)
    • parent #8612 (closed)
  • Changesets:
    • Revision 1fb3325a on 2018-03-06T12:31:18Z:
main/xen: security fixes

CVE-2018-7540, XSA-252
CVE-2018-7541, XSA-255
CVE-2018-7542, XSA-256

Fixes #8614
To upload designs, you'll need to enable LFS and have admin enable hashed storage. More information
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3.7.1
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Reference: alpine/aports#8614