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CVE-2022-26356

Racy interactions between dirty vram tracking and paging log dirty hypercalls Activation of log...

5.6 MediumFix available

Racy interactions between dirty vram tracking and paging log dirty hypercalls Activation of log dirty mode done by XEN_DMOP_track_dirty_vram (was named HVMOP_track_dirty_vram before Xen 4.9) is racy with ongoing log dirty hypercalls. A suitably timed call to XEN_DMOP_track_dirty_vram can enable log dirty while another CPU is still in the process of tearing down the structures related to a previously enabled log dirty mode (XEN_DOMCTL_SHADOW_OP_OFF). This is due to lack of mutually exclusive locking between both operations and can lead to entries being added in already freed slots, resulting in a memory leak.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
High
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.24%Down 0.6 points since Apr 9, 2022
90%50%10%1%

What each source reports

NVD Score used 5.6

Racy interactions between dirty vram tracking and paging log dirty hypercalls Activation of log dirty mode done by XEN_DMOP_track_dirty_vram (was named HVMOP_track_dirty_vram before Xen 4.9) is racy with ongoing log dirty hypercalls. A suitably timed call to XEN_DMOP_track_dirty_vram can enable log dirty while another CPU is still in the process of tearing down the structures related to a previously enabled log dirty mode (XEN_DOMCTL_SHADOW_OP_OFF). This is due to lack of mutually exclusive locking between both operations and can lead to entries being added in already freed slots, resulting in a memory leak.

Record
CVE-2022-26356
CVSS 3.1
5.6 MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
CVSS 2.0
4.0 MediumAV:L/AC:H/Au:N/C:N/I:N/A:C
Weakness
CWE-667
Updated
2026-11-02
CVE List No score

Racy interactions between dirty vram tracking and paging log dirty hypercalls Activation of log dirty mode done by XEN_DMOP_track_dirty_vram (was named HVMOP_track_dirty_vram before Xen 4.9) is racy with ongoing log dirty hypercalls. A suitably timed call to XEN_DMOP_track_dirty_vram can enable log dirty while another CPU is still in the process of tearing down the structures related to a previously enabled log dirty mode (XEN_DOMCTL_SHADOW_OP_OFF). This is due to lack of mutually exclusive locking between both operations and can lead to entries being added in already freed slots, resulting in a memory leak.

Record
CVE-2022-26356
Updated
2026-11-02
EUVDEUVD-2022-30915 No score

Racy interactions between dirty vram tracking and paging log dirty hypercalls Activation of log dirty mode done by XEN_DMOP_track_dirty_vram (was named HVMOP_track_dirty_vram before Xen 4.9) is racy with ongoing log dirty hypercalls. A suitably timed call to XEN_DMOP_track_dirty_vram can enable log dirty while another CPU is still in the process of tearing down the structures related to a previously enabled log dirty mode (XEN_DOMCTL_SHADOW_OP_OFF). This is due to lack of mutually exclusive locking between both operations and can lead to entries being added in already freed slots, resulting in a memory leak.

Record
EUVD-2022-30915
Updated
2026-11-03
GitHub AdvisoriesGHSA-wqf3-h5g7-w9q8 5.6

Racy interactions between dirty vram tracking and paging log dirty hypercalls Activation of log...

Racy interactions between dirty vram tracking and paging log dirty hypercalls Activation of log dirty mode done by XEN_DMOP_track_dirty_vram (was named HVMOP_track_dirty_vram before Xen 4.9) is racy with ongoing log dirty hypercalls. A suitably timed call to XEN_DMOP_track_dirty_vram can enable log dirty while another CPU is still in the process of tearing down the structures related to a previously enabled log dirty mode (XEN_DOMCTL_SHADOW_OP_OFF). This is due to lack of mutually exclusive locking between both operations and can lead to entries being added in already freed slots, resulting in a memory leak.

Record
GHSA-wqf3-h5g7-w9q8
CVSS 3.1
5.6 MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Weakness
CWE-667, CWE-772
Updated
2026-11-02
OSVALPINE-CVE-2022-26356 5.6

Racy interactions between dirty vram tracking and paging log dirty hypercalls Activation of log dirty mode done by XEN_DMOP_track_dirty_vram (was named HVMOP_track_dirty_vram before Xen 4.9) is racy with ongoing log dirty hypercalls. A suitably timed call to XEN_DMOP_track_dirty_vram can enable log dirty while another CPU is still in the process of tearing down the structures related to a previously enabled log dirty mode (XEN_DOMCTL_SHADOW_OP_OFF). This is due to lack of mutually exclusive locking between both operations and can lead to entries being added in already freed slots, resulting in a memory leak.

Record
ALPINE-CVE-2022-26356
CVSS 3.1
5.6 MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Updated
2026-11-03
OSV 5.6

Racy interactions between dirty vram tracking and paging log dirty hypercalls Activation of log dirty mode done by XEN_DMOP_track_dirty_vram (was named HVMOP_track_dirty_vram before Xen 4.9) is racy with ongoing log dirty hypercalls. A suitably timed call to XEN_DMOP_track_dirty_vram can enable log dirty while another CPU is still in the process of tearing down the structures related to a previously enabled log dirty mode (XEN_DOMCTL_SHADOW_OP_OFF). This is due to lack of mutually exclusive locking between both operations and can lead to entries being added in already freed slots, resulting in a memory leak.

Record
CVE-2022-26356
CVSS 3.1
5.6 MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Updated
2026-11-02
Show 11 moreShow less
OSVDEBIAN-CVE-2022-26356 5.6

Racy interactions between dirty vram tracking and paging log dirty hypercalls Activation of log dirty mode done by XEN_DMOP_track_dirty_vram (was named HVMOP_track_dirty_vram before Xen 4.9) is racy with ongoing log dirty hypercalls. A suitably timed call to XEN_DMOP_track_dirty_vram can enable log dirty while another CPU is still in the process of tearing down the structures related to a previously enabled log dirty mode (XEN_DOMCTL_SHADOW_OP_OFF). This is due to lack of mutually exclusive locking between both operations and can lead to entries being added in already freed slots, resulting in a memory leak.

Record
DEBIAN-CVE-2022-26356
CVSS 3.1
5.6 MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Updated
2026-11-03
OSVUBUNTU-CVE-2022-26356 5.6

Racy interactions between dirty vram tracking and paging log dirty hypercalls Activation of log dirty mode done by XEN_DMOP_track_dirty_vram (was named HVMOP_track_dirty_vram before Xen 4.9) is racy with ongoing log dirty hypercalls. A suitably timed call to XEN_DMOP_track_dirty_vram can enable log dirty while another CPU is still in the process of tearing down the structures related to a previously enabled log dirty mode (XEN_DOMCTL_SHADOW_OP_OFF). This is due to lack of mutually exclusive locking between both operations and can lead to entries being added in already freed slots, resulting in a memory leak.

Record
UBUNTU-CVE-2022-26356
CVSS 3.1
5.6 MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2024:11979-1 No score

xen-4.16.0_08-1.1 on GA media

These are all security issues fixed in the xen-4.16.0_08-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11979-1
Updated
2026-11-02
OSVSUSE-SU-2022:1285-1 No score

Security update for xen

This update for xen fixes the following issues:

  • CVE-2022-26356: Fixed potential race conditions in dirty memory tracking that could cause a denial of service in the host (bsc#1197423).
  • CVE-2022-26357: Fixed a potential race condition in memory cleanup for hosts using VT-d IOMMU hardware, which could lead to a denial of service in the host (bsc#1197425).
  • CVE-2022-26358,CVE-2022-26359,CVE-2022-26360,CVE-2022-26361: Fixed various memory corruption issues for hosts using VT-d or AMD-Vi IOMMU hardware. These could be leveraged by an attacker to cause a denial of service in the host (bsc#1197426).
  • CVE-2022-0001, CVE-2022-0002, CVE-2021-26401: Added BHB speculation issue mitigations (bsc#1196915).
Record
SUSE-SU-2022:1285-1
Updated
2026-11-02
OSVSUSE-SU-2022:1300-1 No score

Security update for xen

This update for xen fixes the following issues:

  • CVE-2022-26356: Fixed potential race conditions in dirty memory tracking that could cause a denial of service in the host (bsc#1197423).
  • CVE-2022-26357: Fixed a potential race condition in memory cleanup for hosts using VT-d IOMMU hardware, which could lead to a denial of service in the host (bsc#1197425).
  • CVE-2022-26358,CVE-2022-26359,CVE-2022-26360,CVE-2022-26361: Fixed various memory corruption issues for hosts using VT-d or AMD-Vi IOMMU hardware. These could be leveraged by an attacker to cause a denial of service in the host (bsc#1197426).
  • CVE-2022-0001, CVE-2022-0002, CVE-2021-26401: Added BHB speculation issue mitigations (bsc#1196915).
Record
SUSE-SU-2022:1300-1
Updated
2026-11-02
OSVSUSE-SU-2022:1359-1 No score

Security update for xen

This update for xen fixes the following issues:

  • CVE-2022-26356: Fixed potential race conditions in dirty memory tracking that could cause a denial of service in the host (bsc#1197423).
  • CVE-2022-26357: Fixed a potential race condition in memory cleanup for hosts using VT-d IOMMU hardware, which could lead to a denial of service in the host (bsc#1197425).
  • CVE-2022-26358,CVE-2022-26359,CVE-2022-26360,CVE-2022-26361: Fixed various memory corruption issues for hosts using VT-d or AMD-Vi IOMMU hardware. These could be leveraged by an attacker to cause a denial of service in the host (bsc#1197426).
  • CVE-2022-0001, CVE-2022-0002, CVE-2021-26401: Added BHB speculation issue mitigations (bsc#1196915).
Record
SUSE-SU-2022:1359-1
Updated
2026-11-02
OSVSUSE-SU-2022:1375-1 No score

Security update for xen

This update for xen fixes the following issues:

  • CVE-2022-26356: Fixed potential race conditions in dirty memory tracking that could cause a denial of service in the host (bsc#1197423).
  • CVE-2022-26357: Fixed a potential race condition in memory cleanup for hosts using VT-d IOMMU hardware, which could lead to a denial of service in the host (bsc#1197425).
  • CVE-2022-26358,CVE-2022-26359,CVE-2022-26360,CVE-2022-26361: Fixed various memory corruption issues for hosts using VT-d or AMD-Vi IOMMU hardware. These could be leveraged by an attacker to cause a denial of service in the host (bsc#1197426).
  • CVE-2022-0001, CVE-2022-0002, CVE-2021-26401: Added BHB speculation issue mitigations (bsc#1196915).
  • CVE-2021-20257: Fixed an infinite loop in the e1000 emulated device, which could cause an excessive CPU consumption in the host (bsc#1182846).
Record
SUSE-SU-2022:1375-1
Updated
2026-11-02
OSVSUSE-SU-2022:1408-1 No score

Security update for xen

This update for xen fixes the following issues:

  • CVE-2022-26356: Fixed potential race conditions in dirty memory tracking that could cause a denial of service in the host (bsc#1197423).
  • CVE-2022-26357: Fixed a potential race condition in memory cleanup for hosts using VT-d IOMMU hardware, which could lead to a denial of service in the host (bsc#1197425).
  • CVE-2022-26358,CVE-2022-26359,CVE-2022-26360,CVE-2022-26361: Fixed various memory corruption issues for hosts using VT-d or AMD-Vi IOMMU hardware. These could be leveraged by an attacker to cause a denial of service in the host (bsc#1197426).
  • CVE-2022-0001, CVE-2022-0002, CVE-2021-26401: Added BHB speculation issue mitigations (bsc#1196915).
Record
SUSE-SU-2022:1408-1
Updated
2026-11-02
OSVSUSE-SU-2022:1505-1 No score

Security update for xen

This update for xen fixes the following issues:

  • CVE-2022-26356: Fixed potential race conditions in dirty memory tracking that could cause a denial of service in the host (bsc#1197423).
  • CVE-2022-26357: Fixed a potential race condition in memory cleanup for hosts using VT-d IOMMU hardware, which could lead to a denial of service in the host (bsc#1197425).
  • CVE-2022-26358,CVE-2022-26359,CVE-2022-26360,CVE-2022-26361: Fixed various memory corruption issues for hosts using VT-d or AMD-Vi IOMMU hardware. These could be leveraged by an attacker to cause a denial of service in the host (bsc#1197426).
Record
SUSE-SU-2022:1505-1
Updated
2026-11-02
OSVSUSE-SU-2022:1506-1 No score

Security update for xen

This update for xen fixes the following issues:

  • CVE-2022-26356: Fixed potential race conditions in dirty memory tracking that could cause a denial of service in the host (bsc#1197423).
  • CVE-2022-26357: Fixed a potential race condition in memory cleanup for hosts using VT-d IOMMU hardware, which could lead to a denial of service in the host (bsc#1197425).
  • CVE-2022-26358,CVE-2022-26359,CVE-2022-26360,CVE-2022-26361: Fixed various memory corruption issues for hosts using VT-d or AMD-Vi IOMMU hardware. These could be leveraged by an attacker to cause a denial of service in the host (bsc#1197426).
Record
SUSE-SU-2022:1506-1
Updated
2026-11-02
OSVSUSE-SU-2022:2158-1 No score

Security update for xen

This update for xen fixes the following issues:

  • CVE-2022-26356: Fixed potential race conditions in dirty memory tracking that could cause a denial of service in the host (bsc#1197423).
  • CVE-2022-26357: Fixed a potential race condition in memory cleanup for hosts using VT-d IOMMU hardware, which could lead to a denial of service in the host (bsc#1197425).
  • CVE-2022-26358,CVE-2022-26359,CVE-2022-26360,CVE-2022-26361: Fixed various memory corruption issues for hosts using VT-d or AMD-Vi IOMMU hardware. These could be leveraged by an attacker to cause a denial of service in the host (bsc#1197426).
  • CVE-2022-26362: Fixed race condition in typeref acquisition (bsc#1199965)
  • CVE-2022-26363, CVE-2022-26364: Fixed insufficient care with non-coherent mappings (bsc#1199966)
Record
SUSE-SU-2022:2158-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
xen
Alpine:v3.12
 4.0.0 up to 4.13.4-r3
4.13.4-r3
xen
Alpine:v3.13
 4.0.0 up to 4.14.5-r0
4.14.5-r0
xen
Alpine:v3.14
 4.0.0 up to 4.15.2-r2
4.15.2-r2
xen
Alpine:v3.15
 4.0.0 up to 4.15.2-r2
4.15.2-r2
xen
Alpine:v3.16
 4.0.0 up to 4.16.1-r0
4.16.1-r0
xen
Alpine:v3.17
 4.0.0 up to 4.16.1-r0
4.16.1-r0
xen
Alpine:v3.18
 4.0.0 up to 4.16.1-r0
4.16.1-r0
xen
Alpine:v3.19
 4.0.0 up to 4.16.1-r0
4.16.1-r0
xen
Alpine:v3.20
 4.0.0 up to 4.16.1-r0
4.16.1-r0
xen
Alpine:v3.21
 4.0.0 up to 4.16.1-r0
4.16.1-r0
Show 55 moreShow less
Affected packages
PackageAffectedFixed
xen
Alpine:v3.22
 4.0.0 up to 4.16.1-r0
4.16.1-r0
xen
Alpine:v3.23
 4.0.0 up to 4.16.1-r0
4.16.1-r0
xen
Alpine:v3.24
 4.0.0 up to 4.16.1-r0
4.16.1-r0
xen
Debian:12
 before 4.16.1-1
4.16.1-1
xen
Debian:13
 before 4.16.1-1
4.16.1-1
xen
Debian:14
 before 4.16.1-1
4.16.1-1
xen
Debian:11
From an advisory covering 9 CVEs
 before 4.14.4+74-gd7b22226b5-1, plus listed versions
4.14.2+25-gb6a8c4f72d-24.14.3+32-g9de3671772-14.14.3+32-g9de3671772-1~deb11u14.14.3-14.14.3-1~deb11u1
4.14.4+74-gd7b22226b5-1
xen
SUSE:OpenStack Cloud 9
From an advisory covering 9 CVEs
 before 4.11.4_28-2.73.1
4.11.4_28-2.73.1
xen
SUSE:OpenStack Cloud Crowbar 9
From an advisory covering 9 CVEs
 before 4.11.4_28-2.73.1
4.11.4_28-2.73.1
xen
SUSE:Linux Enterprise Server for SAP Applications 12 SP4
From an advisory covering 9 CVEs
 before 4.11.4_28-2.73.1
4.11.4_28-2.73.1
xen
SUSE:Linux Enterprise Server 12 SP4-LTSS
From an advisory covering 9 CVEs
 before 4.11.4_28-2.73.1
4.11.4_28-2.73.1
xen
SUSE:Linux Enterprise High Performance Computing 15 SP2-ESPOS
From an advisory covering 9 CVEs
 before 4.13.4_08-150200.3.50.1
4.13.4_08-150200.3.50.1
xen
SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS
From an advisory covering 9 CVEs
 before 4.13.4_08-150200.3.50.1
4.13.4_08-150200.3.50.1
xen
SUSE:Linux Enterprise Real Time 15 SP2
From an advisory covering 9 CVEs
 before 4.13.4_08-150200.3.50.1
4.13.4_08-150200.3.50.1
xen
SUSE:Linux Enterprise Server 15 SP2-BCL
From an advisory covering 9 CVEs
 before 4.13.4_08-150200.3.50.1
4.13.4_08-150200.3.50.1
xen
SUSE:Linux Enterprise Server 15 SP2-LTSS
From an advisory covering 9 CVEs
 before 4.13.4_08-150200.3.50.1
4.13.4_08-150200.3.50.1
xen
SUSE:Linux Enterprise Server for SAP Applications 15 SP2
From an advisory covering 9 CVEs
 before 4.13.4_08-150200.3.50.1
4.13.4_08-150200.3.50.1
xen
SUSE:Manager Proxy 4.1
From an advisory covering 9 CVEs
 before 4.13.4_08-150200.3.50.1
4.13.4_08-150200.3.50.1
xen
SUSE:Manager Retail Branch Server 4.1
From an advisory covering 9 CVEs
 before 4.13.4_08-150200.3.50.1
4.13.4_08-150200.3.50.1
xen
SUSE:Manager Server 4.1
From an advisory covering 9 CVEs
 before 4.13.4_08-150200.3.50.1
4.13.4_08-150200.3.50.1
xen
SUSE:Linux Enterprise Micro 5.0
From an advisory covering 9 CVEs
 before 4.13.4_08-150200.3.50.1
4.13.4_08-150200.3.50.1
xen
SUSE:Enterprise Storage 7
From an advisory covering 9 CVEs
 before 4.13.4_08-150200.3.50.1
4.13.4_08-150200.3.50.1
xen
SUSE:Linux Enterprise High Performance Computing 15-ESPOS
From an advisory covering 9 CVEs
 before 4.10.4_34-150000.3.74.1
4.10.4_34-150000.3.74.1
xen
SUSE:Linux Enterprise High Performance Computing 15-LTSS
From an advisory covering 9 CVEs
 before 4.10.4_34-150000.3.74.1
4.10.4_34-150000.3.74.1
xen
SUSE:Linux Enterprise Server for SAP Applications 15
From an advisory covering 9 CVEs
 before 4.10.4_34-150000.3.74.1
4.10.4_34-150000.3.74.1
xen
SUSE:Linux Enterprise Server 12 SP2-BCL
From an advisory covering 10 CVEs
 before 4.7.6_22-43.88.1
4.7.6_22-43.88.1
xen
SUSE:HPE Helion OpenStack 8
From an advisory covering 9 CVEs
 before 4.9.4_28-3.103.1
4.9.4_28-3.103.1
xen
SUSE:OpenStack Cloud 8
From an advisory covering 9 CVEs
 before 4.9.4_28-3.103.1
4.9.4_28-3.103.1
xen
SUSE:OpenStack Cloud Crowbar 8
From an advisory covering 9 CVEs
 before 4.9.4_28-3.103.1
4.9.4_28-3.103.1
xen
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
From an advisory covering 9 CVEs
 before 4.9.4_28-3.103.1
4.9.4_28-3.103.1
xen
SUSE:Linux Enterprise Server 12 SP3-LTSS
From an advisory covering 9 CVEs
 before 4.9.4_28-3.103.1
4.9.4_28-3.103.1
xen
SUSE:Linux Enterprise Server 12 SP3-BCL
From an advisory covering 9 CVEs
 before 4.9.4_28-3.103.1
4.9.4_28-3.103.1
xen
SUSE:Linux Enterprise Software Development Kit 12 SP5
From an advisory covering 6 CVEs
 before 4.12.4_22-3.66.1
4.12.4_22-3.66.1
xen
SUSE:Linux Enterprise Server 12 SP5
From an advisory covering 6 CVEs
 before 4.12.4_22-3.66.1
4.12.4_22-3.66.1
xen
SUSE:Linux Enterprise Server for SAP Applications 12 SP5
From an advisory covering 6 CVEs
 before 4.12.4_22-3.66.1
4.12.4_22-3.66.1
xen
SUSE:Linux Enterprise Module for Basesystem 15 SP3
From an advisory covering 6 CVEs
 before 4.14.4_04-150300.3.24.1
4.14.4_04-150300.3.24.1
xen
SUSE:Linux Enterprise Module for Server Applications 15 SP3
From an advisory covering 6 CVEs
 before 4.14.4_04-150300.3.24.1
4.14.4_04-150300.3.24.1
xen
SUSE:Linux Enterprise Micro 5.1
From an advisory covering 6 CVEs
 before 4.14.4_04-150300.3.24.1
4.14.4_04-150300.3.24.1
xen
SUSE:Linux Enterprise Micro 5.2
From an advisory covering 6 CVEs
 before 4.14.4_04-150300.3.24.1
4.14.4_04-150300.3.24.1
xen
openSUSE:Leap 15.3
From an advisory covering 6 CVEs
 before 4.14.4_04-150300.3.24.1
4.14.4_04-150300.3.24.1
xen
SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS
From an advisory covering 9 CVEs
 before 4.12.4_24-150100.3.72.1
4.12.4_24-150100.3.72.1
xen
SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS
From an advisory covering 9 CVEs
 before 4.12.4_24-150100.3.72.1
4.12.4_24-150100.3.72.1
xen
SUSE:Linux Enterprise Server 15 SP1-BCL
From an advisory covering 9 CVEs
 before 4.12.4_24-150100.3.72.1
4.12.4_24-150100.3.72.1
xen
SUSE:Linux Enterprise Server 15 SP1-LTSS
From an advisory covering 9 CVEs
 before 4.12.4_24-150100.3.72.1
4.12.4_24-150100.3.72.1
xen
SUSE:Linux Enterprise Server for SAP Applications 15 SP1
From an advisory covering 9 CVEs
 before 4.12.4_24-150100.3.72.1
4.12.4_24-150100.3.72.1
xen
SUSE:Enterprise Storage 6
From an advisory covering 9 CVEs
 before 4.12.4_24-150100.3.72.1
4.12.4_24-150100.3.72.1
xen
Ubuntu:16.04:LTS
 All versions, plus listed versions
4.5.1-0ubuntu14.5.1-0ubuntu24.6.0-1ubuntu14.6.0-1ubuntu24.6.0-1ubuntu4
Show 7 moreShow less
4.6.0-1ubuntu4.14.6.0-1ubuntu4.24.6.0-1ubuntu4.34.6.5-0ubuntu14.6.5-0ubuntu1.14.6.5-0ubuntu1.24.6.5-0ubuntu1.4
 None known
xen
Ubuntu:18.04:LTS
 All versions, plus listed versions
4.9.0-0ubuntu34.9.0-0ubuntu44.9.2-0ubuntu1
 None known
xen
Ubuntu:20.04:LTS
 All versions, plus listed versions
4.9.2-0ubuntu24.9.2-0ubuntu64.9.2-0ubuntu74.11.3+24-g14b62ab3e5-1ubuntu14.11.3+24-g14b62ab3e5-1ubuntu24.11.3+24-g14b62ab3e5-1ubuntu2.24.11.3+24-g14b62ab3e5-1ubuntu2.3
 None known
xen
Ubuntu:22.04:LTS
 All versions, plus listed versions
4.11.4+24-gddaaccbbab-1ubuntu24.16.0-1~ubuntu24.16.0-1~ubuntu2.1
 None known
xen
Ubuntu:24.04:LTS
 All versions, plus listed versions
4.17.2-14.17.2+55-g0b56bed864-14.17.2+76-ge1f9cb16e2-14.17.2+76-ge1f9cb16e2-1ubuntu14.17.3+10-g091466ba55-14.17.3+10-g091466ba55-1.1ubuntu24.17.3+10-g091466ba55-1.1ubuntu3
 None known
xen
Ubuntu:25.10
 All versions, plus listed versions
4.20.0-1ubuntu14.20.0+68-g35cb38b222-1
 None known
xen
Ubuntu:26.10
 All versions, plus listed versions
4.20.2+7-g1badcf5035-2build24.20.2+37-g61ff35323e-1ubuntu14.20.3+127-gc42374a105-1
 None known
xen
Ubuntu:26.04:LTS
 All versions, plus listed versions
4.20.0+68-g35cb38b222-14.20.2+7-g1badcf5035-24.20.2+7-g1badcf5035-2build2
 None known
xen
openSUSE:Tumbleweed
From an advisory covering 4 CVEs
 before 4.16.0_08-1.1
4.16.0_08-1.1

History

History
RecordedChangedSources
affected, factsOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-26356 is a medium vulnerability (CVSS 5.6) in Xen, published April 5, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.24%, the 15th percentile. Fixed in xen 4.13.4-r3.

References

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