SUSE-SU-2020:2790-1

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Import Source
https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2020:2790-1.json
JSON Data
https://api.osv.dev/v1/vulns/SUSE-SU-2020:2790-1
Related
Published
2020-09-29T12:13:34Z
Modified
2020-09-29T12:13:34Z
Summary
Security update for xen
Details

This update for xen fixes the following issues:

  • CVE-2020-25602: Fixed an issue where there was a crash when handling guest access to MSRMISCENABLE was thrown (bsc#1176339,XSA-333)
  • CVE-2020-25598: Added a missing unlock in XENMEMacquireresource error path (bsc#1176341,XSA-334)
  • CVE-2020-25604: Fixed a race condition when migrating timers between x86 HVM vCPU-s (bsc#1176343,XSA-336)
  • CVE-2020-25595: Fixed an issue where PCI passthrough code was reading back hardware registers (bsc#1176344,XSA-337)
  • CVE-2020-25597: Fixed an issue where a valid event channels may not turn invalid (bsc#1176346,XSA-338)
  • CVE-2020-25596: Fixed a potential denial of service in x86 pv guest kernel via SYSENTER (bsc#1176345,XSA-339)
  • CVE-2020-25603: Fixed an issue due to missing barriers when accessing/allocating an event channel (bsc#1176347,XSA-340)
  • CVE-2020-25600: Fixed out of bounds event channels available to 32-bit x86 domains (bsc#1176348,XSA-342)
  • CVE-2020-25599: Fixed race conditions with evtchn_reset() (bsc#1176349,XSA-343)

  • CVE-2020-25601: Fixed an issue due to lack of preemption in evtchnreset() / evtchndestroy() (bsc#1176350,XSA-344)

  • Various bug fixes (bsc#1027519)

References

Affected packages

SUSE:Linux Enterprise Module for Basesystem 15 SP1 / xen

Package

Name
xen
Purl
purl:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.12.3_08-3.28.1

Ecosystem specific 

{
    "binaries": [
        {
            "xen-libs": "4.12.3_08-3.28.1",
            "xen-tools-domU": "4.12.3_08-3.28.1"
        }
    ]
}

SUSE:Linux Enterprise Module for Server Applications 15 SP1 / xen

Package

Name
xen
Purl
purl:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP1

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.12.3_08-3.28.1

Ecosystem specific 

{
    "binaries": [
        {
            "xen-tools": "4.12.3_08-3.28.1",
            "xen-devel": "4.12.3_08-3.28.1",
            "xen": "4.12.3_08-3.28.1"
        }
    ]
}