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suseSuseSUSE-SU-2017:1145-1
HistoryMay 02, 2017 - 6:11 p.m.

Security update for xen (important)

2017-05-0218:11:58
lists.opensuse.org
28

0.002 Low

EPSS

Percentile

55.0%

This update for xen fixes several issues.

These security issues were fixed:

  • A malicious 64-bit PV guest may be able to access all of system memory,
    allowing for all of privilege escalation, host crashes, and information
    leaks by placing a IRET hypercall in the middle of a multicall batch
    (XSA-213, bsc#1034843)
  • A malicious pair of guests may be able to access all of system memory,
    allowing for all of privilege escalation, host crashes, and information
    leaks because of a missing check when transfering pages via
    GNTTABOP_transfer (XSA-214, bsc#1034844).
  • CVE-2017-7718: hw/display/cirrus_vga_rop.h allowed local guest OS
    privileged users to cause a denial of service (out-of-bounds read and
    QEMU process crash) via vectors related to copying VGA data via the
    cirrus_bitblt_rop_fwd_transp_ and cirrus_bitblt_rop_fwd_ functions
    (bsc#1034994).
  • CVE-2016-9603: A privileged user within the guest VM could have caused a
    heap overflow in the device model process, potentially escalating their
    privileges to that of the device model process (bsc#1028655)

These non-security issues were fixed:

  • bsc#1029827: Additional xenstore patch

0.002 Low

EPSS

Percentile

55.0%

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