SUSE-SU-2026:0012-1

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Source
https://www.suse.com/support/update/announcement/2026/suse-su-20260012-1/
Import Source
https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:0012-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/SUSE-SU-2026:0012-1
Upstream
CVE (6)
Related
CVE (6)
Published
2026-01-05T10:31:27Z
Modified
2026-03-11T07:31:11Z
Summary
Security update for xen
Details

This update for xen fixes the following issues:

Security issues fixed:

  • CVE-2025-27466: NULL pointer dereference in the Viridian interface when updating the reference TSC area (bsc#1248807).
  • CVE-2025-58142: NULL pointer dereference in the Viridian interface due to assumption that the SIM page is mapped when a synthetic timer message has to be delivered (bsc#1248807).
  • CVE-2025-58143: information leak and reference counter underflow in the Viridian interface due to race in the mapping of the reference TSC page (bsc#1248807).
  • CVE-2025-58147: incorrect input sanitisation in Viridian hypercalls using the HV_VP_SET Sparse format can lead to out-of-bounds write through vpmask_set() (bsc#1251271).
  • CVE-2025-58148: incorrect input sanitisation in Viridian hypercalls using any input format can lead to out-of-bounds read through send_ipi() (bsc#1251271).
  • CVE-2025-58149: incorrect removal of permissions on PCI device unplug allows PV guests to access memory of devices no longer assigned to them (bsc#1252692).

Other issues fixed:

  • Several upstream bug fixes (bsc#1027519).
  • Failure to restart xenstored (bsc#1254180).
References

Affected packages

openSUSE:Leap 15.6
xen

Package

Name
xen
Purl
pkg:rpm/opensuse/xen&distro=openSUSE%20Leap%2015.6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.18.5_08-150600.3.34.2

Ecosystem specific 

{
    "binaries": [
        {
            "xen": "4.18.5_08-150600.3.34.2",
            "xen-devel": "4.18.5_08-150600.3.34.2",
            "xen-doc-html": "4.18.5_08-150600.3.34.2",
            "xen-libs": "4.18.5_08-150600.3.34.2",
            "xen-libs-32bit": "4.18.5_08-150600.3.34.2",
            "xen-tools": "4.18.5_08-150600.3.34.2",
            "xen-tools-domU": "4.18.5_08-150600.3.34.2",
            "xen-tools-xendomains-wait-disk": "4.18.5_08-150600.3.34.2"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:0012-1.json"
SUSE:Linux Enterprise Module for Basesystem 15 SP6
xen

Package

Name
xen
Purl
pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.18.5_08-150600.3.34.2

Ecosystem specific 

{
    "binaries": [
        {
            "xen-libs": "4.18.5_08-150600.3.34.2",
            "xen-tools-domU": "4.18.5_08-150600.3.34.2"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:0012-1.json"
SUSE:Linux Enterprise Module for Server Applications 15 SP6
xen

Package

Name
xen
Purl
pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.18.5_08-150600.3.34.2

Ecosystem specific 

{
    "binaries": [
        {
            "xen": "4.18.5_08-150600.3.34.2",
            "xen-devel": "4.18.5_08-150600.3.34.2",
            "xen-tools": "4.18.5_08-150600.3.34.2",
            "xen-tools-xendomains-wait-disk": "4.18.5_08-150600.3.34.2"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:0012-1.json"
SUSE:Linux Enterprise Server 15 SP6-LTSS
xen

Package

Name
xen
Purl
pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSS

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.18.5_08-150600.3.34.2

Ecosystem specific 

{
    "binaries": [
        {
            "xen": "4.18.5_08-150600.3.34.2",
            "xen-devel": "4.18.5_08-150600.3.34.2",
            "xen-libs": "4.18.5_08-150600.3.34.2",
            "xen-tools": "4.18.5_08-150600.3.34.2",
            "xen-tools-domU": "4.18.5_08-150600.3.34.2",
            "xen-tools-xendomains-wait-disk": "4.18.5_08-150600.3.34.2"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:0012-1.json"
SUSE:Linux Enterprise Server for SAP Applications 15 SP6
xen

Package

Name
xen
Purl
pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.18.5_08-150600.3.34.2

Ecosystem specific 

{
    "binaries": [
        {
            "xen": "4.18.5_08-150600.3.34.2",
            "xen-devel": "4.18.5_08-150600.3.34.2",
            "xen-libs": "4.18.5_08-150600.3.34.2",
            "xen-tools": "4.18.5_08-150600.3.34.2",
            "xen-tools-domU": "4.18.5_08-150600.3.34.2",
            "xen-tools-xendomains-wait-disk": "4.18.5_08-150600.3.34.2"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:0012-1.json"