SUSE-SU-2019:1348-1

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Import Source
https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2019:1348-1.json
JSON Data
https://api.osv.dev/v1/vulns/SUSE-SU-2019:1348-1
Related
Published
2019-05-24T12:04:18Z
Modified
2019-05-24T12:04:18Z
Summary
Security update for xen
Details

This update for xen fixes the following issues:

Four new speculative execution information leak issues have been identified in Intel CPUs. (bsc#1111331)

  • CVE-2018-12126: Microarchitectural Store Buffer Data Sampling (MSBDS)
  • CVE-2018-12127: Microarchitectural Fill Buffer Data Sampling (MFBDS)
  • CVE-2018-12130: Microarchitectural Load Port Data Sampling (MLPDS)
  • CVE-2019-11091: Microarchitectural Data Sampling Uncacheable Memory (MDSUM)

These updates contain the XEN Hypervisor adjustments, that additionally also use CPU Microcode updates.

The mitigation can be controlled via the 'mds' commandline option, see the documentation.

For more information on this set of vulnerabilities, check out https://www.suse.com/support/kb/doc/?id=7023736

Other fixes:

  • CVE-2018-20815: Fixed a heap buffer overflow while loading device tree blob (bsc#1130680).
  • Added upstream bug fix (bsc#1027519).
References

Affected packages

SUSE:Linux Enterprise Server 12-LTSS / xen

Package

Name
xen
Purl
purl:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSS

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.4.4_40-22.80.1

Ecosystem specific 

{
    "binaries": [
        {
            "xen-tools-domU": "4.4.4_40-22.80.1",
            "xen-kmp-default": "4.4.4_40_k3.12.61_52.149-22.80.1",
            "xen-libs": "4.4.4_40-22.80.1",
            "xen-doc-html": "4.4.4_40-22.80.1",
            "xen-libs-32bit": "4.4.4_40-22.80.1",
            "xen-tools": "4.4.4_40-22.80.1",
            "xen": "4.4.4_40-22.80.1"
        }
    ]
}