Security update for xen

Announcement ID: SUSE-SU-2020:14448-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2019-18421 ( SUSE ): 8.2 CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
  • CVE-2019-18421 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2019-18425 ( SUSE ): 7.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2019-18425 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-11740 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • CVE-2020-11741 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  • CVE-2020-11742 ( SUSE ): 4.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
  • CVE-2020-11742 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-7211 ( SUSE ): 5.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  • CVE-2020-7211 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • CVE-2020-8608 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H
  • CVE-2020-8608 ( NVD ): 5.6 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected Products:
  • SUSE Linux Enterprise Point of Service 11 SP3

An update that solves seven vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

  • bsc#1174543 - secure boot related fixes
  • bsc#1163019 - CVE-2020-8608: potential OOB access due to unsafe snprintf() usages
  • bsc#1169392 - CVE-2020-11742: Bad continuation handling in GNTTABOP_copy
  • bsc#1168140 - CVE-2020-11740, CVE-2020-11741: multiple xenoprof issues
  • bsc#1161181 - CVE-2020-7211: potential directory traversal using relative paths via tftp server on Windows host
  • bsc#1154456 - CVE-2019-18425: missing descriptor table limit checking in x86 PV emulation
  • bsc#1154458 - CVE-2019-18421: Issues with restartable PV type change operations

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE Linux Enterprise Point of Service 11 SP3
    zypper in -t patch sleposp3-xen-14448=1

Package List:

  • SUSE Linux Enterprise Point of Service 11 SP3 (i586)
    • xen-kmp-pae-4.2.5_22_3.0.101_0.47.106.59-45.36.1
    • xen-libs-4.2.5_22-45.36.1
    • xen-kmp-default-4.2.5_22_3.0.101_0.47.106.59-45.36.1
    • xen-tools-domU-4.2.5_22-45.36.1

References: