SUSE update for xen

Published: 2022-07-11

Risk	High
Patch available	YES
Number of vulnerabilities	3
CVE-ID	CVE-2022-26362 CVE-2022-26363 CVE-2022-26364
CWE-ID	CWE-362 CWE-119
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	SUSE Linux Enterprise Module for Basesystem Operating systems & Components / Operating system SUSE Linux Enterprise Desktop Operating systems & Components / Operating system SUSE Linux Enterprise Server Operating systems & Components / Operating system SUSE Linux Enterprise Module for Server Applications Operating systems & Components / Operating system openSUSE Leap Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing Operating systems & Components / Operating system xen-libs-32bit-debuginfo Operating systems & Components / Operating system package or component xen-libs-32bit Operating systems & Components / Operating system package or component xen-tools-xendomains-wait-disk Operating systems & Components / Operating system package or component xen-tools-domU-debuginfo Operating systems & Components / Operating system package or component xen-tools-domU Operating systems & Components / Operating system package or component xen-tools-debuginfo Operating systems & Components / Operating system package or component xen-tools Operating systems & Components / Operating system package or component xen-libs-debuginfo Operating systems & Components / Operating system package or component xen-libs Operating systems & Components / Operating system package or component xen-doc-html Operating systems & Components / Operating system package or component xen-devel Operating systems & Components / Operating system package or component xen-debugsource Operating systems & Components / Operating system package or component xen Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Race condition

EUVDB-ID: #VU64446

Risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-26362

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to race condition in typeref acquisition Xen. A remote attacker can execute arbitrary code on the target system.

Mitigation

Update the affected package xen to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Basesystem: 15-SP4

SUSE Linux Enterprise Desktop: 15-SP4

SUSE Linux Enterprise Server: 15-SP4

SUSE Linux Enterprise Module for Server Applications: 15-SP4

openSUSE Leap: 15.4

SUSE Linux Enterprise Server for SAP Applications: 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP4

xen-libs-32bit-debuginfo: before 4.16.1_04-150400.4.5.2

xen-libs-32bit: before 4.16.1_04-150400.4.5.2

xen-tools-xendomains-wait-disk: before 4.16.1_04-150400.4.5.2

xen-tools-domU-debuginfo: before 4.16.1_04-150400.4.5.2

xen-tools-domU: before 4.16.1_04-150400.4.5.2

xen-tools-debuginfo: before 4.16.1_04-150400.4.5.2

xen-tools: before 4.16.1_04-150400.4.5.2

xen-libs-debuginfo: before 4.16.1_04-150400.4.5.2

xen-libs: before 4.16.1_04-150400.4.5.2

xen-doc-html: before 4.16.1_04-150400.4.5.2

xen-devel: before 4.16.1_04-150400.4.5.2

xen-debugsource: before 4.16.1_04-150400.4.5.2

xen: before 4.16.1_04-150400.4.5.2

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20222296-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Buffer overflow

EUVDB-ID: #VU64448

Risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-26363

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insufficient care with non-coherent mappings. A remote attacker can pass a specially crafted data and trigger memory corruption and execute arbitrary code on the target system.

Mitigation

Update the affected package xen to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Basesystem: 15-SP4

SUSE Linux Enterprise Desktop: 15-SP4

SUSE Linux Enterprise Server: 15-SP4

SUSE Linux Enterprise Module for Server Applications: 15-SP4

openSUSE Leap: 15.4

SUSE Linux Enterprise Server for SAP Applications: 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP4

xen-libs-32bit-debuginfo: before 4.16.1_04-150400.4.5.2

xen-libs-32bit: before 4.16.1_04-150400.4.5.2

xen-tools-xendomains-wait-disk: before 4.16.1_04-150400.4.5.2

xen-tools-domU-debuginfo: before 4.16.1_04-150400.4.5.2

xen-tools-domU: before 4.16.1_04-150400.4.5.2

xen-tools-debuginfo: before 4.16.1_04-150400.4.5.2

xen-tools: before 4.16.1_04-150400.4.5.2

xen-libs-debuginfo: before 4.16.1_04-150400.4.5.2

xen-libs: before 4.16.1_04-150400.4.5.2

xen-doc-html: before 4.16.1_04-150400.4.5.2

xen-devel: before 4.16.1_04-150400.4.5.2

xen-debugsource: before 4.16.1_04-150400.4.5.2

xen: before 4.16.1_04-150400.4.5.2

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20222296-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Buffer overflow

EUVDB-ID: #VU64447

Risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-26364

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

Mitigation

Update the affected package xen to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Basesystem: 15-SP4

SUSE Linux Enterprise Desktop: 15-SP4

SUSE Linux Enterprise Server: 15-SP4

SUSE Linux Enterprise Module for Server Applications: 15-SP4

openSUSE Leap: 15.4

SUSE Linux Enterprise Server for SAP Applications: 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP4

xen-libs-32bit-debuginfo: before 4.16.1_04-150400.4.5.2

xen-libs-32bit: before 4.16.1_04-150400.4.5.2

xen-tools-xendomains-wait-disk: before 4.16.1_04-150400.4.5.2

xen-tools-domU-debuginfo: before 4.16.1_04-150400.4.5.2

xen-tools-domU: before 4.16.1_04-150400.4.5.2

xen-tools-debuginfo: before 4.16.1_04-150400.4.5.2

xen-tools: before 4.16.1_04-150400.4.5.2

xen-libs-debuginfo: before 4.16.1_04-150400.4.5.2

xen-libs: before 4.16.1_04-150400.4.5.2

xen-doc-html: before 4.16.1_04-150400.4.5.2

xen-devel: before 4.16.1_04-150400.4.5.2

xen-debugsource: before 4.16.1_04-150400.4.5.2

xen: before 4.16.1_04-150400.4.5.2

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20222296-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.