SUSE update for the Linux Kernel



Published: 2023-02-16 | Updated: 2023-06-27
Risk Medium
Patch available YES
Number of vulnerabilities 5
CVE-ID CVE-2020-24588
CVE-2022-4382
CVE-2022-47929
CVE-2023-0179
CVE-2023-0266
CWE-ID CWE-451
CWE-416
CWE-476
CWE-190
Exploitation vector Local network
Public exploit Public exploit code for vulnerability #4 is available.
Vulnerability #5 is being exploited in the wild.
Vulnerable software
Subscribe
SUSE Linux Enterprise Module for Public Cloud
Operating systems & Components / Operating system

SUSE Manager Retail Branch Server
Operating systems & Components / Operating system

SUSE Manager Server
Operating systems & Components / Operating system

SUSE Manager Proxy
Operating systems & Components / Operating system

SUSE Linux Enterprise Server
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

kernel-source-azure
Operating systems & Components / Operating system package or component

kernel-devel-azure
Operating systems & Components / Operating system package or component

reiserfs-kmp-azure-debuginfo
Operating systems & Components / Operating system package or component

reiserfs-kmp-azure
Operating systems & Components / Operating system package or component

ocfs2-kmp-azure-debuginfo
Operating systems & Components / Operating system package or component

ocfs2-kmp-azure
Operating systems & Components / Operating system package or component

kselftests-kmp-azure-debuginfo
Operating systems & Components / Operating system package or component

kselftests-kmp-azure
Operating systems & Components / Operating system package or component

kernel-syms-azure
Operating systems & Components / Operating system package or component

kernel-azure-optional-debuginfo
Operating systems & Components / Operating system package or component

kernel-azure-optional
Operating systems & Components / Operating system package or component

kernel-azure-livepatch-devel
Operating systems & Components / Operating system package or component

kernel-azure-extra-debuginfo
Operating systems & Components / Operating system package or component

kernel-azure-extra
Operating systems & Components / Operating system package or component

kernel-azure-devel-debuginfo
Operating systems & Components / Operating system package or component

kernel-azure-devel
Operating systems & Components / Operating system package or component

kernel-azure-debugsource
Operating systems & Components / Operating system package or component

kernel-azure-debuginfo
Operating systems & Components / Operating system package or component

kernel-azure
Operating systems & Components / Operating system package or component

gfs2-kmp-azure-debuginfo
Operating systems & Components / Operating system package or component

gfs2-kmp-azure
Operating systems & Components / Operating system package or component

dlm-kmp-azure-debuginfo
Operating systems & Components / Operating system package or component

dlm-kmp-azure
Operating systems & Components / Operating system package or component

cluster-md-kmp-azure-debuginfo
Operating systems & Components / Operating system package or component

cluster-md-kmp-azure
Operating systems & Components / Operating system package or component

Vendor SUSE

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) Spoofing attack

EUVDB-ID: #VU53098

Risk: Low

CVSSv3.1: 4.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-24588

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data in Windows Wireless Networking. A remote attacker on the local network can spoof page content.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Public Cloud: 15-SP4

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

SUSE Linux Enterprise Server: 15-SP4

openSUSE Leap: 15.4

SUSE Linux Enterprise Server for SAP Applications: 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP4

kernel-source-azure: before 5.14.21-150400.14.34.1

kernel-devel-azure: before 5.14.21-150400.14.34.1

reiserfs-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

reiserfs-kmp-azure: before 5.14.21-150400.14.34.1

ocfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

ocfs2-kmp-azure: before 5.14.21-150400.14.34.1

kselftests-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

kselftests-kmp-azure: before 5.14.21-150400.14.34.1

kernel-syms-azure: before 5.14.21-150400.14.34.1

kernel-azure-optional-debuginfo: before 5.14.21-150400.14.34.1

kernel-azure-optional: before 5.14.21-150400.14.34.1

kernel-azure-livepatch-devel: before 5.14.21-150400.14.34.1

kernel-azure-extra-debuginfo: before 5.14.21-150400.14.34.1

kernel-azure-extra: before 5.14.21-150400.14.34.1

kernel-azure-devel-debuginfo: before 5.14.21-150400.14.34.1

kernel-azure-devel: before 5.14.21-150400.14.34.1

kernel-azure-debugsource: before 5.14.21-150400.14.34.1

kernel-azure-debuginfo: before 5.14.21-150400.14.34.1

kernel-azure: before 5.14.21-150400.14.34.1

gfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

gfs2-kmp-azure: before 5.14.21-150400.14.34.1

dlm-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

dlm-kmp-azure: before 5.14.21-150400.14.34.1

cluster-md-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

cluster-md-kmp-azure: before 5.14.21-150400.14.34.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20230394-1/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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

2) Use-after-free

EUVDB-ID: #VU72328

Risk: Low

CVSSv3.1: 5.9 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-4382

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows an attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the gadgetfs Linux driver. An attacker with physical access to the system can trigger a use-after-free by manipulating the external device with gadgetfs and execute arbitrary code.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Public Cloud: 15-SP4

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

SUSE Linux Enterprise Server: 15-SP4

openSUSE Leap: 15.4

SUSE Linux Enterprise Server for SAP Applications: 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP4

kernel-source-azure: before 5.14.21-150400.14.34.1

kernel-devel-azure: before 5.14.21-150400.14.34.1

reiserfs-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

reiserfs-kmp-azure: before 5.14.21-150400.14.34.1

ocfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

ocfs2-kmp-azure: before 5.14.21-150400.14.34.1

kselftests-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

kselftests-kmp-azure: before 5.14.21-150400.14.34.1

kernel-syms-azure: before 5.14.21-150400.14.34.1

kernel-azure-optional-debuginfo: before 5.14.21-150400.14.34.1

kernel-azure-optional: before 5.14.21-150400.14.34.1

kernel-azure-livepatch-devel: before 5.14.21-150400.14.34.1

kernel-azure-extra-debuginfo: before 5.14.21-150400.14.34.1

kernel-azure-extra: before 5.14.21-150400.14.34.1

kernel-azure-devel-debuginfo: before 5.14.21-150400.14.34.1

kernel-azure-devel: before 5.14.21-150400.14.34.1

kernel-azure-debugsource: before 5.14.21-150400.14.34.1

kernel-azure-debuginfo: before 5.14.21-150400.14.34.1

kernel-azure: before 5.14.21-150400.14.34.1

gfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

gfs2-kmp-azure: before 5.14.21-150400.14.34.1

dlm-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

dlm-kmp-azure: before 5.14.21-150400.14.34.1

cluster-md-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

cluster-md-kmp-azure: before 5.14.21-150400.14.34.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20230394-1/


Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

3) NULL pointer dereference

EUVDB-ID: #VU71479

Risk: Medium

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-47929

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error in the traffic control subsystem in Linux kernel. A local user can pass pass a specially crafted traffic control configuration that is set up with "tc qdisc" and "tc class" commands and perform a denial of service (DoS) attack.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Public Cloud: 15-SP4

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

SUSE Linux Enterprise Server: 15-SP4

openSUSE Leap: 15.4

SUSE Linux Enterprise Server for SAP Applications: 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP4

kernel-source-azure: before 5.14.21-150400.14.34.1

kernel-devel-azure: before 5.14.21-150400.14.34.1

reiserfs-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

reiserfs-kmp-azure: before 5.14.21-150400.14.34.1

ocfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

ocfs2-kmp-azure: before 5.14.21-150400.14.34.1

kselftests-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

kselftests-kmp-azure: before 5.14.21-150400.14.34.1

kernel-syms-azure: before 5.14.21-150400.14.34.1

kernel-azure-optional-debuginfo: before 5.14.21-150400.14.34.1

kernel-azure-optional: before 5.14.21-150400.14.34.1

kernel-azure-livepatch-devel: before 5.14.21-150400.14.34.1

kernel-azure-extra-debuginfo: before 5.14.21-150400.14.34.1

kernel-azure-extra: before 5.14.21-150400.14.34.1

kernel-azure-devel-debuginfo: before 5.14.21-150400.14.34.1

kernel-azure-devel: before 5.14.21-150400.14.34.1

kernel-azure-debugsource: before 5.14.21-150400.14.34.1

kernel-azure-debuginfo: before 5.14.21-150400.14.34.1

kernel-azure: before 5.14.21-150400.14.34.1

gfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

gfs2-kmp-azure: before 5.14.21-150400.14.34.1

dlm-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

dlm-kmp-azure: before 5.14.21-150400.14.34.1

cluster-md-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

cluster-md-kmp-azure: before 5.14.21-150400.14.34.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20230394-1/


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) Integer overflow

EUVDB-ID: #VU71173

Risk: Low

CVSSv3.1: 7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2023-0179

CWE-ID: CWE-190 - Integer overflow

Exploit availability: Yes

Description

The vulnerability allows a local  user to escalate privileges on the system.

The vulnerability exists due to an integer overflow within the nft_payload_copy_vlan() function in Linux kernel Netfilter. A local user can trigger an integer overflow and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Public Cloud: 15-SP4

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

SUSE Linux Enterprise Server: 15-SP4

openSUSE Leap: 15.4

SUSE Linux Enterprise Server for SAP Applications: 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP4

kernel-source-azure: before 5.14.21-150400.14.34.1

kernel-devel-azure: before 5.14.21-150400.14.34.1

reiserfs-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

reiserfs-kmp-azure: before 5.14.21-150400.14.34.1

ocfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

ocfs2-kmp-azure: before 5.14.21-150400.14.34.1

kselftests-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

kselftests-kmp-azure: before 5.14.21-150400.14.34.1

kernel-syms-azure: before 5.14.21-150400.14.34.1

kernel-azure-optional-debuginfo: before 5.14.21-150400.14.34.1

kernel-azure-optional: before 5.14.21-150400.14.34.1

kernel-azure-livepatch-devel: before 5.14.21-150400.14.34.1

kernel-azure-extra-debuginfo: before 5.14.21-150400.14.34.1

kernel-azure-extra: before 5.14.21-150400.14.34.1

kernel-azure-devel-debuginfo: before 5.14.21-150400.14.34.1

kernel-azure-devel: before 5.14.21-150400.14.34.1

kernel-azure-debugsource: before 5.14.21-150400.14.34.1

kernel-azure-debuginfo: before 5.14.21-150400.14.34.1

kernel-azure: before 5.14.21-150400.14.34.1

gfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

gfs2-kmp-azure: before 5.14.21-150400.14.34.1

dlm-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

dlm-kmp-azure: before 5.14.21-150400.14.34.1

cluster-md-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

cluster-md-kmp-azure: before 5.14.21-150400.14.34.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20230394-1/


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. However, proof of concept for this vulnerability is available.

5) Use-after-free

EUVDB-ID: #VU71482

Risk: High

CVSSv3.1: 8.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2023-0266

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the snd_ctl_elem_read() function in the Linux kernel sound subsystem. A local user can trigger a use-after-free error and execute arbitrary code on the system.

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Public Cloud: 15-SP4

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

SUSE Linux Enterprise Server: 15-SP4

openSUSE Leap: 15.4

SUSE Linux Enterprise Server for SAP Applications: 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP4

kernel-source-azure: before 5.14.21-150400.14.34.1

kernel-devel-azure: before 5.14.21-150400.14.34.1

reiserfs-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

reiserfs-kmp-azure: before 5.14.21-150400.14.34.1

ocfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

ocfs2-kmp-azure: before 5.14.21-150400.14.34.1

kselftests-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

kselftests-kmp-azure: before 5.14.21-150400.14.34.1

kernel-syms-azure: before 5.14.21-150400.14.34.1

kernel-azure-optional-debuginfo: before 5.14.21-150400.14.34.1

kernel-azure-optional: before 5.14.21-150400.14.34.1

kernel-azure-livepatch-devel: before 5.14.21-150400.14.34.1

kernel-azure-extra-debuginfo: before 5.14.21-150400.14.34.1

kernel-azure-extra: before 5.14.21-150400.14.34.1

kernel-azure-devel-debuginfo: before 5.14.21-150400.14.34.1

kernel-azure-devel: before 5.14.21-150400.14.34.1

kernel-azure-debugsource: before 5.14.21-150400.14.34.1

kernel-azure-debuginfo: before 5.14.21-150400.14.34.1

kernel-azure: before 5.14.21-150400.14.34.1

gfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

gfs2-kmp-azure: before 5.14.21-150400.14.34.1

dlm-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

dlm-kmp-azure: before 5.14.21-150400.14.34.1

cluster-md-kmp-azure-debuginfo: before 5.14.21-150400.14.34.1

cluster-md-kmp-azure: before 5.14.21-150400.14.34.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20230394-1/


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?

Yes. This vulnerability is being exploited in the wild.



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