SUSE update for the Linux Kernel (Live Patch 1 for SLE 15 SP4)



| Updated: 2024-09-26
Risk Low
Patch available YES
Number of vulnerabilities 7
CVE-ID CVE-2023-0386
CVE-2023-0461
CVE-2023-1281
CVE-2023-1989
CVE-2023-2162
CVE-2023-23454
CVE-2023-28464
CWE-ID CWE-264
CWE-416
CWE-843
CWE-415
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 SUSE Linux Enterprise Micro
Operating systems & Components / Operating system

SUSE Linux Enterprise Live Patching
Operating systems & Components / Operating system

SUSE Linux Enterprise Server for SAP Applications 15
Operating systems & Components / Operating system

SUSE Linux Enterprise Server 15
Operating systems & Components / Operating system

SUSE Linux Enterprise Real Time 15
Operating systems & Components / Operating system

SUSE Linux Enterprise High Performance Computing 15
Operating systems & Components / Operating system

kernel-livepatch-SLE15-SP4_Update_2-debugsource
Operating systems & Components / Operating system package or component

kernel-livepatch-5_14_21-150400_24_11-default-debuginfo
Operating systems & Components / Operating system package or component

kernel-livepatch-5_14_21-150400_24_11-default
Operating systems & Components / Operating system package or component

kernel-livepatch-5_14_21-150400_24_18-default-debuginfo
Operating systems & Components / Operating system package or component

kernel-livepatch-5_14_21-150400_24_18-default
Operating systems & Components / Operating system package or component

kernel-livepatch-SLE15-SP4_Update_1-debugsource
Operating systems & Components / Operating system package or component

Vendor SUSE

Security Bulletin

This security bulletin contains information about 7 vulnerabilities.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU74410

Risk: Low

CVSSv4.0: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2023-0386

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: Yes

Description

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

The vulnerability exists due to unauthorized access to execution of setuid files in OverlayFS subsystem when copying a capable file from a nosuid mount into another mount. A local user can execute arbitrary code with root privileges.

Mitigation

Update the affected package the Linux Kernel (Live Patch 1 for SLE 15 SP4) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.3 - 5.4

SUSE Linux Enterprise Live Patching: 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15: SP4

SUSE Linux Enterprise Server 15: SP4

SUSE Linux Enterprise Real Time 15: SP4

SUSE Linux Enterprise High Performance Computing 15: SP4

kernel-livepatch-SLE15-SP4_Update_2-debugsource: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_11-default-debuginfo: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_11-default: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_18-default-debuginfo: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_18-default: before 11-150400.2.3

kernel-livepatch-SLE15-SP4_Update_1-debugsource: before 11-150400.2.3

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232425-1/


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, a fully functional exploit for this vulnerability is available.

2) Use-after-free

EUVDB-ID: #VU72506

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-0461

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 Upper Level Protocol (ULP) subsystem in Linux kernel caused by improper handling of sockets entering the LISTEN state in certain protocols. 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 1 for SLE 15 SP4) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.3 - 5.4

SUSE Linux Enterprise Live Patching: 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15: SP4

SUSE Linux Enterprise Server 15: SP4

SUSE Linux Enterprise Real Time 15: SP4

SUSE Linux Enterprise High Performance Computing 15: SP4

kernel-livepatch-SLE15-SP4_Update_2-debugsource: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_11-default-debuginfo: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_11-default: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_18-default-debuginfo: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_18-default: before 11-150400.2.3

kernel-livepatch-SLE15-SP4_Update_1-debugsource: before 11-150400.2.3

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232425-1/


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: #VU74122

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-1281

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 in Linux kernel traffic control index filter (tcindex) when the tcf_exts_exec() function is called with the destroyed tcf_ext. A local user attacker can trigger a use-after-free error and execute arbitrary code with elevated privileges.


Mitigation

Update the affected package the Linux Kernel (Live Patch 1 for SLE 15 SP4) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.3 - 5.4

SUSE Linux Enterprise Live Patching: 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15: SP4

SUSE Linux Enterprise Server 15: SP4

SUSE Linux Enterprise Real Time 15: SP4

SUSE Linux Enterprise High Performance Computing 15: SP4

kernel-livepatch-SLE15-SP4_Update_2-debugsource: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_11-default-debuginfo: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_11-default: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_18-default-debuginfo: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_18-default: before 11-150400.2.3

kernel-livepatch-SLE15-SP4_Update_1-debugsource: before 11-150400.2.3

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232425-1/


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: #VU75452

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-1989

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 btsdio_remove() function in driversluetoothtsdio.c. A local user can trigger a use-after-free error and escalate privileges on the system.

Mitigation

Update the affected package the Linux Kernel (Live Patch 1 for SLE 15 SP4) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.3 - 5.4

SUSE Linux Enterprise Live Patching: 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15: SP4

SUSE Linux Enterprise Server 15: SP4

SUSE Linux Enterprise Real Time 15: SP4

SUSE Linux Enterprise High Performance Computing 15: SP4

kernel-livepatch-SLE15-SP4_Update_2-debugsource: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_11-default-debuginfo: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_11-default: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_18-default-debuginfo: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_18-default: before 11-150400.2.3

kernel-livepatch-SLE15-SP4_Update_1-debugsource: before 11-150400.2.3

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232425-1/


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) Use-after-free

EUVDB-ID: #VU75994

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-2023-2162

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error within the scsi_sw_tcp_session_create() function in drivers/scsi/iscsi_tcp.c in SCSI sub-component in the Linux Kernel. A local user can trigger a use-after-free error and gain access to sensitive information.

Mitigation

Update the affected package the Linux Kernel (Live Patch 1 for SLE 15 SP4) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.3 - 5.4

SUSE Linux Enterprise Live Patching: 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15: SP4

SUSE Linux Enterprise Server 15: SP4

SUSE Linux Enterprise Real Time 15: SP4

SUSE Linux Enterprise High Performance Computing 15: SP4

kernel-livepatch-SLE15-SP4_Update_2-debugsource: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_11-default-debuginfo: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_11-default: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_18-default-debuginfo: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_18-default: before 11-150400.2.3

kernel-livepatch-SLE15-SP4_Update_1-debugsource: before 11-150400.2.3

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232425-1/


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) Type Confusion

EUVDB-ID: #VU71478

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-2023-23454

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

Description

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

The vulnerability exists due to a type confusion error within the cbq_classify() function in net/sched/sch_cbq.c in the Linux kernel. A local user can trigger a type confusion error and crash the kernel.

Mitigation

Update the affected package the Linux Kernel (Live Patch 1 for SLE 15 SP4) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.3 - 5.4

SUSE Linux Enterprise Live Patching: 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15: SP4

SUSE Linux Enterprise Server 15: SP4

SUSE Linux Enterprise Real Time 15: SP4

SUSE Linux Enterprise High Performance Computing 15: SP4

kernel-livepatch-SLE15-SP4_Update_2-debugsource: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_11-default-debuginfo: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_11-default: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_18-default-debuginfo: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_18-default: before 11-150400.2.3

kernel-livepatch-SLE15-SP4_Update_1-debugsource: before 11-150400.2.3

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232425-1/


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) Double Free

EUVDB-ID: #VU74147

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-28464

CWE-ID: CWE-415 - Double Free

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 hci_conn_cleanup() function in net/bluetooth/hci_conn.c in Linux kernel. A local user can trigger a double free error and execute arbitrary code with elevated privileges.


Mitigation

Update the affected package the Linux Kernel (Live Patch 1 for SLE 15 SP4) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.3 - 5.4

SUSE Linux Enterprise Live Patching: 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15: SP4

SUSE Linux Enterprise Server 15: SP4

SUSE Linux Enterprise Real Time 15: SP4

SUSE Linux Enterprise High Performance Computing 15: SP4

kernel-livepatch-SLE15-SP4_Update_2-debugsource: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_11-default-debuginfo: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_11-default: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_18-default-debuginfo: before 11-150400.2.3

kernel-livepatch-5_14_21-150400_24_18-default: before 11-150400.2.3

kernel-livepatch-SLE15-SP4_Update_1-debugsource: before 11-150400.2.3

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232425-1/


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.



###SIDEBAR###