Security update for xen

SUSE Security Update: Security update for xen
Announcement ID: SUSE-SU-2021:14702-1
Rating: important
References: #1182155 #1182846 #1182975
Cross-References:CVE-2021-20257 CVE-2021-3419
Affected Products:
  • SUSE Linux Enterprise Server 11-SP4-LTSS
  • SUSE Linux Enterprise Debuginfo 11-SP4

An update that solves two vulnerabilities and has one errata is now available.

Description:

This update for xen fixes the following issues:

  • CVE-2021-3419: Fixed a stack overflow induced by infinite recursion issue (bsc#1182975).
  • CVE-2021-20257: Fixed an infinite loop in the e1000 NIC emulator (bsc#1182846)
  • xenstored crashing with segfault (bsc#1182155).

Patch Instructions:

To install this SUSE Security 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 Server 11-SP4-LTSS:
    zypper in -t patch slessp4-xen-14702=1
  • SUSE Linux Enterprise Debuginfo 11-SP4:
    zypper in -t patch dbgsp4-xen-14702=1

Package List:

  • SUSE Linux Enterprise Server 11-SP4-LTSS (i586 x86_64):
    • xen-kmp-default-4.4.4_48_3.0.101_108.123-61.64.1
    • xen-libs-4.4.4_48-61.64.1
    • xen-tools-domU-4.4.4_48-61.64.1
  • SUSE Linux Enterprise Server 11-SP4-LTSS (x86_64):
    • xen-4.4.4_48-61.64.1
    • xen-doc-html-4.4.4_48-61.64.1
    • xen-libs-32bit-4.4.4_48-61.64.1
    • xen-tools-4.4.4_48-61.64.1
  • SUSE Linux Enterprise Server 11-SP4-LTSS (i586):
    • xen-kmp-pae-4.4.4_48_3.0.101_108.123-61.64.1
  • SUSE Linux Enterprise Debuginfo 11-SP4 (i586 x86_64):
    • xen-debuginfo-4.4.4_48-61.64.1
    • xen-debugsource-4.4.4_48-61.64.1

References: