SUSE update for the Linux Kernel (Live Patch 37 for SLE 15 SP1)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 4 |
| CVE-ID | CVE-2023-1829 CVE-2023-3609 CVE-2023-3776 CVE-2023-3812 |
| CWE-ID | CWE-416 CWE-787 |
| Exploitation vector | Local |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
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 High Performance Computing 15 Operating systems & Components / Operating system kernel-livepatch-4_12_14-150100_197_131-default Operating systems & Components / Operating system package or component kernel-livepatch-4_12_14-150100_197_134-default Operating systems & Components / Operating system package or component kernel-livepatch-4_12_14-150100_197_123-default Operating systems & Components / Operating system package or component |
| Vendor | SUSE |
Security Bulletin
This security bulletin contains information about 4 vulnerabilities.
1) Use-after-free
EUVDB-ID: #VU75448
Risk: Low
CVSSv3.1: 7.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2023-1829
CWE-ID:
CWE-416 - Use After Free
Exploit availability: Yes
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the tcindex_delete() function. A local user can trigger a use-after-free error and execute arbitrary code with root privileges.
Update the affected package the Linux Kernel (Live Patch 37 for SLE 15 SP1) to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Live Patching: 15-SP1
SUSE Linux Enterprise Server for SAP Applications 15: SP1
SUSE Linux Enterprise Server 15: SP1
SUSE Linux Enterprise High Performance Computing 15: SP1
kernel-livepatch-4_12_14-150100_197_131-default: before 9-150100.2.2
kernel-livepatch-4_12_14-150100_197_134-default: before 8-150100.2.2
kernel-livepatch-4_12_14-150100_197_123-default: before 11-150100.2.2
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_live_patching:15-SP1:*:*:*:*:*:*:
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP1:*:*:*:*:*:*:
- cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP1:*:*:*:*:*:*:
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP1:*:*:*:*:*:*:
http://www.suse.com/support/update/announcement/2023/suse-su-20233786-1/
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.
2) Use-after-free
EUVDB-ID: #VU78941
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-2023-3609
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the the Linux kernel net/sched: cls_u32 component. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
Update the affected package the Linux Kernel (Live Patch 37 for SLE 15 SP1) to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Live Patching: 15-SP1
SUSE Linux Enterprise Server for SAP Applications 15: SP1
SUSE Linux Enterprise Server 15: SP1
SUSE Linux Enterprise High Performance Computing 15: SP1
kernel-livepatch-4_12_14-150100_197_131-default: before 9-150100.2.2
kernel-livepatch-4_12_14-150100_197_134-default: before 8-150100.2.2
kernel-livepatch-4_12_14-150100_197_123-default: before 11-150100.2.2
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_live_patching:15-SP1:*:*:*:*:*:*:
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP1:*:*:*:*:*:*:
- cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP1:*:*:*:*:*:*:
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP1:*:*:*:*:*:*:
http://www.suse.com/support/update/announcement/2023/suse-su-20233786-1/
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: #VU79285
Risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-3776
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the the Linux kernel's net/sched: cls_fw component. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
Update the affected package the Linux Kernel (Live Patch 37 for SLE 15 SP1) to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Live Patching: 15-SP1
SUSE Linux Enterprise Server for SAP Applications 15: SP1
SUSE Linux Enterprise Server 15: SP1
SUSE Linux Enterprise High Performance Computing 15: SP1
kernel-livepatch-4_12_14-150100_197_131-default: before 9-150100.2.2
kernel-livepatch-4_12_14-150100_197_134-default: before 8-150100.2.2
kernel-livepatch-4_12_14-150100_197_123-default: before 11-150100.2.2
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_live_patching:15-SP1:*:*:*:*:*:*:
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP1:*:*:*:*:*:*:
- cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP1:*:*:*:*:*:*:
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP1:*:*:*:*:*:*:
http://www.suse.com/support/update/announcement/2023/suse-su-20233786-1/
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) Out-of-bounds write
EUVDB-ID: #VU78928
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-2023-3812
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 within the TUN/TAP device driver in Linux kernel. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.
Update the affected package the Linux Kernel (Live Patch 37 for SLE 15 SP1) to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Live Patching: 15-SP1
SUSE Linux Enterprise Server for SAP Applications 15: SP1
SUSE Linux Enterprise Server 15: SP1
SUSE Linux Enterprise High Performance Computing 15: SP1
kernel-livepatch-4_12_14-150100_197_131-default: before 9-150100.2.2
kernel-livepatch-4_12_14-150100_197_134-default: before 8-150100.2.2
kernel-livepatch-4_12_14-150100_197_123-default: before 11-150100.2.2
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_live_patching:15-SP1:*:*:*:*:*:*:
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP1:*:*:*:*:*:*:
- cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP1:*:*:*:*:*:*:
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP1:*:*:*:*:*:*:
http://www.suse.com/support/update/announcement/2023/suse-su-20233786-1/
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.
