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suseSuseSUSE-SU-2018:0909-1
HistoryApr 10, 2018 - 6:07 p.m.

Security update for xen (important)

2018-04-1018:07:40
lists.opensuse.org
91

0.976 High

EPSS

Percentile

100.0%

This update for xen fixes the following issues:

Update to Xen 4.7.5 bug fix only release (bsc#1027519)

Security issues fixed:

  • CVE-2018-7540: Fixed DoS via non-preemptable L3/L4 pagetable freeing
    (XSA-252) (bsc#1080635)

  • CVE-2018-7541: A grant table v2 -> v1 transition may crash Xen (XSA-255)
    (bsc#1080662)

  • CVE-2017-5753,CVE-2017-5715,CVE-2017-5754 Fixed information leaks via
    side effects of speculative execution (XSA-254). Includes Spectre v2
    mitigation. (bsc#1074562)

  • Preserve xen-syms from xen-dbg.gz to allow processing vmcores with
    crash(1) (bsc#1087251)

  • Xen HVM: Fixed unchecked MSR access error (bsc#1072834)

  • Add script, udev rule and systemd service to watch for vcpu
    online/offline events in a HVM domU They are triggered via xl vcpu-set
    domU N (fate#324965)

  • Make sure tools and tools-domU require libs from the very same build