SUSE update for xen



Risk Low
Patch available YES
Number of vulnerabilities 7
CVE-ID CVE-2021-28689
CVE-2022-26365
CVE-2022-33740
CVE-2022-33741
CVE-2022-33742
CVE-2022-33746
CVE-2022-33748
CWE-ID CWE-669
CWE-200
CWE-400
CWE-755
Exploitation vector Local
Public exploit N/A
Vulnerable software
 SUSE Linux Enterprise Software Development Kit
Operating systems & Components / Operating system

SUSE Linux Enterprise Server for SAP Applications
Operating systems & Components / Operating system

SUSE Linux Enterprise Server
Operating systems & Components / Operating system

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-debuginfo-32bit
Operating systems & Components / Operating system package or component

xen-libs
Operating systems & Components / Operating system package or component

xen-libs-32bit
Operating systems & Components / Operating system package or component

xen-doc-html
Operating systems & Components / Operating system package or component

xen
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

Vendor SUSE

Security Bulletin

This security bulletin contains information about 7 vulnerabilities.

1) Incorrect Resource Transfer Between Spheres

EUVDB-ID: #VU79453

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-28689

CWE-ID: CWE-669 - Incorrect Resource Transfer Between Spheres

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A local user can gain unauthorized access to sensitive information on the system.

Mitigation

Update the affected package xen to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Software Development Kit: 12-SP5

SUSE Linux Enterprise Server for SAP Applications: 12-SP5

SUSE Linux Enterprise Server: 12-SP5

xen-tools-domU-debuginfo: before 4.12.4_28-3.77.1

xen-tools-domU: before 4.12.4_28-3.77.1

xen-tools-debuginfo: before 4.12.4_28-3.77.1

xen-tools: before 4.12.4_28-3.77.1

xen-libs-debuginfo: before 4.12.4_28-3.77.1

xen-libs-debuginfo-32bit: before 4.12.4_28-3.77.1

xen-libs: before 4.12.4_28-3.77.1

xen-libs-32bit: before 4.12.4_28-3.77.1

xen-doc-html: before 4.12.4_28-3.77.1

xen: before 4.12.4_28-3.77.1

xen-devel: before 4.12.4_28-3.77.1

xen-debugsource: before 4.12.4_28-3.77.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2022/suse-su-20223728-1/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

2) Information disclosure

EUVDB-ID: #VU65345

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-26365

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend. A local user can gain unauthorized access to sensitive information on the system.

Mitigation

Update the affected package xen to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Software Development Kit: 12-SP5

SUSE Linux Enterprise Server for SAP Applications: 12-SP5

SUSE Linux Enterprise Server: 12-SP5

xen-tools-domU-debuginfo: before 4.12.4_28-3.77.1

xen-tools-domU: before 4.12.4_28-3.77.1

xen-tools-debuginfo: before 4.12.4_28-3.77.1

xen-tools: before 4.12.4_28-3.77.1

xen-libs-debuginfo: before 4.12.4_28-3.77.1

xen-libs-debuginfo-32bit: before 4.12.4_28-3.77.1

xen-libs: before 4.12.4_28-3.77.1

xen-libs-32bit: before 4.12.4_28-3.77.1

xen-doc-html: before 4.12.4_28-3.77.1

xen: before 4.12.4_28-3.77.1

xen-devel: before 4.12.4_28-3.77.1

xen-debugsource: before 4.12.4_28-3.77.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2022/suse-su-20223728-1/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

3) Information disclosure

EUVDB-ID: #VU65346

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-33740

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend. A local user can gain unauthorized access to sensitive information on the system.

Mitigation

Update the affected package xen to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Software Development Kit: 12-SP5

SUSE Linux Enterprise Server for SAP Applications: 12-SP5

SUSE Linux Enterprise Server: 12-SP5

xen-tools-domU-debuginfo: before 4.12.4_28-3.77.1

xen-tools-domU: before 4.12.4_28-3.77.1

xen-tools-debuginfo: before 4.12.4_28-3.77.1

xen-tools: before 4.12.4_28-3.77.1

xen-libs-debuginfo: before 4.12.4_28-3.77.1

xen-libs-debuginfo-32bit: before 4.12.4_28-3.77.1

xen-libs: before 4.12.4_28-3.77.1

xen-libs-32bit: before 4.12.4_28-3.77.1

xen-doc-html: before 4.12.4_28-3.77.1

xen: before 4.12.4_28-3.77.1

xen-devel: before 4.12.4_28-3.77.1

xen-debugsource: before 4.12.4_28-3.77.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2022/suse-su-20223728-1/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

4) Information disclosure

EUVDB-ID: #VU65351

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-33741

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to granularity of the grant table doesn't allow sharing less than a 4K page, leading to unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend. A local user can gain unauthorized access to sensitive information on the system.

Mitigation

Update the affected package xen to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Software Development Kit: 12-SP5

SUSE Linux Enterprise Server for SAP Applications: 12-SP5

SUSE Linux Enterprise Server: 12-SP5

xen-tools-domU-debuginfo: before 4.12.4_28-3.77.1

xen-tools-domU: before 4.12.4_28-3.77.1

xen-tools-debuginfo: before 4.12.4_28-3.77.1

xen-tools: before 4.12.4_28-3.77.1

xen-libs-debuginfo: before 4.12.4_28-3.77.1

xen-libs-debuginfo-32bit: before 4.12.4_28-3.77.1

xen-libs: before 4.12.4_28-3.77.1

xen-libs-32bit: before 4.12.4_28-3.77.1

xen-doc-html: before 4.12.4_28-3.77.1

xen: before 4.12.4_28-3.77.1

xen-devel: before 4.12.4_28-3.77.1

xen-debugsource: before 4.12.4_28-3.77.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2022/suse-su-20223728-1/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

5) Information disclosure

EUVDB-ID: #VU65348

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-33742

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to granularity of the grant table doesn't allow sharing less than a 4K page, leading to unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend. A local user can gain unauthorized access to sensitive information on the system.

Mitigation

Update the affected package xen to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Software Development Kit: 12-SP5

SUSE Linux Enterprise Server for SAP Applications: 12-SP5

SUSE Linux Enterprise Server: 12-SP5

xen-tools-domU-debuginfo: before 4.12.4_28-3.77.1

xen-tools-domU: before 4.12.4_28-3.77.1

xen-tools-debuginfo: before 4.12.4_28-3.77.1

xen-tools: before 4.12.4_28-3.77.1

xen-libs-debuginfo: before 4.12.4_28-3.77.1

xen-libs-debuginfo-32bit: before 4.12.4_28-3.77.1

xen-libs: before 4.12.4_28-3.77.1

xen-libs-32bit: before 4.12.4_28-3.77.1

xen-doc-html: before 4.12.4_28-3.77.1

xen: before 4.12.4_28-3.77.1

xen-devel: before 4.12.4_28-3.77.1

xen-debugsource: before 4.12.4_28-3.77.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2022/suse-su-20223728-1/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

6) Resource exhaustion

EUVDB-ID: #VU78439

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-33746

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources when freeing the P2M pool. A local user can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Update the affected package xen to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Software Development Kit: 12-SP5

SUSE Linux Enterprise Server for SAP Applications: 12-SP5

SUSE Linux Enterprise Server: 12-SP5

xen-tools-domU-debuginfo: before 4.12.4_28-3.77.1

xen-tools-domU: before 4.12.4_28-3.77.1

xen-tools-debuginfo: before 4.12.4_28-3.77.1

xen-tools: before 4.12.4_28-3.77.1

xen-libs-debuginfo: before 4.12.4_28-3.77.1

xen-libs-debuginfo-32bit: before 4.12.4_28-3.77.1

xen-libs: before 4.12.4_28-3.77.1

xen-libs-32bit: before 4.12.4_28-3.77.1

xen-doc-html: before 4.12.4_28-3.77.1

xen: before 4.12.4_28-3.77.1

xen-devel: before 4.12.4_28-3.77.1

xen-debugsource: before 4.12.4_28-3.77.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2022/suse-su-20223728-1/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

7) Improper handling of exceptional conditions

EUVDB-ID: #VU79450

Risk: Low

CVSSv4.0: 3.3 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U/U:Clear]

CVE-ID: CVE-2022-33748

CWE-ID: CWE-755 - Improper Handling of Exceptional Conditions

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to lock order inversion in transitive grant copy handling As part of XSA-226 a missing cleanup call was inserted on an error handling path. A local user can send specially crafted input and perform a denial of service (DoS) attack.

Mitigation

Update the affected package xen to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Software Development Kit: 12-SP5

SUSE Linux Enterprise Server for SAP Applications: 12-SP5

SUSE Linux Enterprise Server: 12-SP5

xen-tools-domU-debuginfo: before 4.12.4_28-3.77.1

xen-tools-domU: before 4.12.4_28-3.77.1

xen-tools-debuginfo: before 4.12.4_28-3.77.1

xen-tools: before 4.12.4_28-3.77.1

xen-libs-debuginfo: before 4.12.4_28-3.77.1

xen-libs-debuginfo-32bit: before 4.12.4_28-3.77.1

xen-libs: before 4.12.4_28-3.77.1

xen-libs-32bit: before 4.12.4_28-3.77.1

xen-doc-html: before 4.12.4_28-3.77.1

xen: before 4.12.4_28-3.77.1

xen-devel: before 4.12.4_28-3.77.1

xen-debugsource: before 4.12.4_28-3.77.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2022/suse-su-20223728-1/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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