SUSE update for the Linux Kernel (Live Patch 18 for SLE 15 SP3)

Published: 2022-12-21

Risk	Medium
Patch available	YES
Number of vulnerabilities	7
CVE-ID	CVE-2022-3545 CVE-2022-3577 CVE-2022-3586 CVE-2022-41218 CVE-2022-4139 CVE-2022-4378 CVE-2022-43945
CWE-ID	CWE-119 CWE-787 CWE-416 CWE-121
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #4 is available. Public exploit code for vulnerability #6 is available.
Vulnerable software Subscribe	SUSE Linux Enterprise Module for Live Patching Operating systems & Components / Operating system SUSE Linux Enterprise Micro 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 SUSE Linux Enterprise High Performance Computing Operating systems & Components / Operating system kernel-livepatch-5_3_18-150300_59_68-default Operating systems & Components / Operating system package or component kernel-livepatch-5_3_18-150300_59_63-default Operating systems & Components / Operating system package or component kernel-livepatch-SLE15-SP4_Update_0-debugsource Operating systems & Components / Operating system package or component kernel-livepatch-5_14_21-150400_22-default-debuginfo Operating systems & Components / Operating system package or component kernel-livepatch-5_14_21-150400_22-default Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 7 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU69758

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-3545

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the area_cache_get() function in drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package the Linux Kernel (Live Patch 18 for SLE 15 SP3) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Live Patching: 15-SP3 - 15-SP4

SUSE Linux Enterprise Micro: 5.1

SUSE Linux Enterprise Server for SAP Applications: 15-SP3 - 15-SP4

SUSE Linux Enterprise Server: 15-SP3 - 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP3 - 15-SP4

kernel-livepatch-5_3_18-150300_59_68-default: before 10-150300.2.2

kernel-livepatch-5_3_18-150300_59_63-default: before 11-150300.2.2

kernel-livepatch-SLE15-SP4_Update_0-debugsource: before 9-150400.4.24.1

kernel-livepatch-5_14_21-150400_22-default-debuginfo: before 9-150400.4.24.1

kernel-livepatch-5_14_21-150400_22-default: before 9-150400.4.24.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20224569-1/

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) Out-of-bounds write

EUVDB-ID: #VU70462

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-3577

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in the bigben_probe() function in drivers/hid/hid-bigbenff.c within the Kid-friendly Wired Controller driver in Linux kernel. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package the Linux Kernel (Live Patch 18 for SLE 15 SP3) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Live Patching: 15-SP3 - 15-SP4

SUSE Linux Enterprise Micro: 5.1

SUSE Linux Enterprise Server for SAP Applications: 15-SP3 - 15-SP4

SUSE Linux Enterprise Server: 15-SP3 - 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP3 - 15-SP4

kernel-livepatch-5_3_18-150300_59_68-default: before 10-150300.2.2

kernel-livepatch-5_3_18-150300_59_63-default: before 11-150300.2.2

kernel-livepatch-SLE15-SP4_Update_0-debugsource: before 9-150400.4.24.1

kernel-livepatch-5_14_21-150400_22-default-debuginfo: before 9-150400.4.24.1

kernel-livepatch-5_14_21-150400_22-default: before 9-150400.4.24.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20224569-1/

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) Use-after-free

EUVDB-ID: #VU69708

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-3586

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error in the way the sch_sfb enqueue function used the socket buffer (SKB) cb field after the same SKB had been enqueued (and freed) into a child qdisc. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package the Linux Kernel (Live Patch 18 for SLE 15 SP3) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Live Patching: 15-SP3 - 15-SP4

SUSE Linux Enterprise Micro: 5.1

SUSE Linux Enterprise Server for SAP Applications: 15-SP3 - 15-SP4

SUSE Linux Enterprise Server: 15-SP3 - 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP3 - 15-SP4

kernel-livepatch-5_3_18-150300_59_68-default: before 10-150300.2.2

kernel-livepatch-5_3_18-150300_59_63-default: before 11-150300.2.2

kernel-livepatch-SLE15-SP4_Update_0-debugsource: before 9-150400.4.24.1

kernel-livepatch-5_14_21-150400_22-default-debuginfo: before 9-150400.4.24.1

kernel-livepatch-5_14_21-150400_22-default: before 9-150400.4.24.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20224569-1/

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) Use-after-free

EUVDB-ID: #VU67657

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-2022-41218

CWE-ID: CWE-416 - Use After Free

Exploit availability: Yes

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 dvb_demux_open() and dvb_dmxdev_release() function in drivers/media/dvb-core/dmxdev.c in Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package the Linux Kernel (Live Patch 18 for SLE 15 SP3) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Live Patching: 15-SP3 - 15-SP4

SUSE Linux Enterprise Micro: 5.1

SUSE Linux Enterprise Server for SAP Applications: 15-SP3 - 15-SP4

SUSE Linux Enterprise Server: 15-SP3 - 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP3 - 15-SP4

kernel-livepatch-5_3_18-150300_59_68-default: before 10-150300.2.2

kernel-livepatch-5_3_18-150300_59_63-default: before 11-150300.2.2

kernel-livepatch-SLE15-SP4_Update_0-debugsource: before 9-150400.4.24.1

kernel-livepatch-5_14_21-150400_22-default-debuginfo: before 9-150400.4.24.1

kernel-livepatch-5_14_21-150400_22-default: before 9-150400.4.24.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20224569-1/

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) Buffer overflow

EUVDB-ID: #VU70460

Risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-4139

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the i915 kernel driver on Linux kernel. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package the Linux Kernel (Live Patch 18 for SLE 15 SP3) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Live Patching: 15-SP3 - 15-SP4

SUSE Linux Enterprise Micro: 5.1

SUSE Linux Enterprise Server for SAP Applications: 15-SP3 - 15-SP4

SUSE Linux Enterprise Server: 15-SP3 - 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP3 - 15-SP4

kernel-livepatch-5_3_18-150300_59_68-default: before 10-150300.2.2

kernel-livepatch-5_3_18-150300_59_63-default: before 11-150300.2.2

kernel-livepatch-SLE15-SP4_Update_0-debugsource: before 9-150400.4.24.1

kernel-livepatch-5_14_21-150400_22-default-debuginfo: before 9-150400.4.24.1

kernel-livepatch-5_14_21-150400_22-default: before 9-150400.4.24.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20224569-1/

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) Stack-based buffer overflow

EUVDB-ID: #VU70442

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-2022-4378

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the __do_proc_dointvec() function. A local user can trigger a stack-based buffer overflow and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package the Linux Kernel (Live Patch 18 for SLE 15 SP3) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Live Patching: 15-SP3 - 15-SP4

SUSE Linux Enterprise Micro: 5.1

SUSE Linux Enterprise Server for SAP Applications: 15-SP3 - 15-SP4

SUSE Linux Enterprise Server: 15-SP3 - 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP3 - 15-SP4

kernel-livepatch-5_3_18-150300_59_68-default: before 10-150300.2.2

kernel-livepatch-5_3_18-150300_59_63-default: before 11-150300.2.2

kernel-livepatch-SLE15-SP4_Update_0-debugsource: before 9-150400.4.24.1

kernel-livepatch-5_14_21-150400_22-default-debuginfo: before 9-150400.4.24.1

kernel-livepatch-5_14_21-150400_22-default: before 9-150400.4.24.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20224569-1/

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.

7) Buffer overflow

EUVDB-ID: #VU69766

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-43945

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service attacl.

The vulnerability exists due to a boundary error within the Linux kernel NFSD implementation. A remote attacker can send the RPC message over TCP with garbage data added at the end of the message, trigger memory corruption and perform a denial of service (DoS) attack.

Mitigation

Update the affected package the Linux Kernel (Live Patch 18 for SLE 15 SP3) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Live Patching: 15-SP3 - 15-SP4

SUSE Linux Enterprise Micro: 5.1

SUSE Linux Enterprise Server for SAP Applications: 15-SP3 - 15-SP4

SUSE Linux Enterprise Server: 15-SP3 - 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP3 - 15-SP4

kernel-livepatch-5_3_18-150300_59_68-default: before 10-150300.2.2

kernel-livepatch-5_3_18-150300_59_63-default: before 11-150300.2.2

kernel-livepatch-SLE15-SP4_Update_0-debugsource: before 9-150400.4.24.1

kernel-livepatch-5_14_21-150400_22-default-debuginfo: before 9-150400.4.24.1

kernel-livepatch-5_14_21-150400_22-default: before 9-150400.4.24.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20224569-1/

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.