SUSE update for the Linux Kernel (Live Patch 23 for SLE 15 SP5)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 4 |
| CVE-ID | CVE-2024-53168 CVE-2025-21692 CVE-2025-21791 CVE-2025-38477 |
| CWE-ID | CWE-416 CWE-125 |
| Exploitation vector | Local |
| Public exploit | Public exploit code for vulnerability #2 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 openSUSE Leap Operating systems & Components / Operating system kernel-livepatch-SLE15-SP5_Update_23-debugsource Operating systems & Components / Operating system package or component kernel-livepatch-5_14_21-150500_55_88-default-debuginfo Operating systems & Components / Operating system package or component kernel-livepatch-5_14_21-150500_55_94-default Operating systems & Components / Operating system package or component kernel-livepatch-SLE15-SP5_Update_21-debugsource Operating systems & Components / Operating system package or component kernel-livepatch-5_14_21-150500_55_94-default-debuginfo Operating systems & Components / Operating system package or component kernel-livepatch-5_14_21-150500_55_88-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: #VU102061
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-2024-53168
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 xs_create_sock() function in net/sunrpc/xprtsock.c, within the svc_create_socket() function in net/sunrpc/svcsock.c. A local user can escalate privileges on the system.
MitigationUpdate the affected package the Linux Kernel (Live Patch 23 for SLE 15 SP5) to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Micro: 5.5
SUSE Linux Enterprise Live Patching: 15-SP5
SUSE Linux Enterprise Server for SAP Applications 15: SP5
SUSE Linux Enterprise Server 15: SP5
SUSE Linux Enterprise Real Time 15: SP5
SUSE Linux Enterprise High Performance Computing 15: SP5
openSUSE Leap: 15.5
kernel-livepatch-SLE15-SP5_Update_23-debugsource: before 8-150500.2.1
kernel-livepatch-5_14_21-150500_55_88-default-debuginfo: before 12-150500.2.1
kernel-livepatch-5_14_21-150500_55_94-default: before 8-150500.2.1
kernel-livepatch-SLE15-SP5_Update_21-debugsource: before 12-150500.2.1
kernel-livepatch-5_14_21-150500_55_94-default-debuginfo: before 8-150500.2.1
kernel-livepatch-5_14_21-150500_55_88-default: before 12-150500.2.1
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_micro:5.5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_live_patching:15-SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:opensuse_leap:15.5:*:*:*:*:*:*:*
- cpe:2.3:a:suse:kernel-livepatch-sle15-sp5_update_23-debugsource:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kernel-livepatch-5_14_21-150500_55_88-default-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kernel-livepatch-5_14_21-150500_55_94-default:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kernel-livepatch-sle15-sp5_update_21-debugsource:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kernel-livepatch-5_14_21-150500_55_94-default-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kernel-livepatch-5_14_21-150500_55_88-default:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2025/suse-su-202503555-1/
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 read
EUVDB-ID: #VU103743
Risk: Low
CVSSv4.0: 3.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:U/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]
CVE-ID: CVE-2025-21692
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: Yes
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the ets_class_from_arg() function in net/sched/sch_ets.c. A local user can perform a denial of service (DoS) attack.
MitigationUpdate the affected package the Linux Kernel (Live Patch 23 for SLE 15 SP5) to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Micro: 5.5
SUSE Linux Enterprise Live Patching: 15-SP5
SUSE Linux Enterprise Server for SAP Applications 15: SP5
SUSE Linux Enterprise Server 15: SP5
SUSE Linux Enterprise Real Time 15: SP5
SUSE Linux Enterprise High Performance Computing 15: SP5
openSUSE Leap: 15.5
kernel-livepatch-SLE15-SP5_Update_23-debugsource: before 8-150500.2.1
kernel-livepatch-5_14_21-150500_55_88-default-debuginfo: before 12-150500.2.1
kernel-livepatch-5_14_21-150500_55_94-default: before 8-150500.2.1
kernel-livepatch-SLE15-SP5_Update_21-debugsource: before 12-150500.2.1
kernel-livepatch-5_14_21-150500_55_94-default-debuginfo: before 8-150500.2.1
kernel-livepatch-5_14_21-150500_55_88-default: before 12-150500.2.1
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_micro:5.5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_live_patching:15-SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:opensuse_leap:15.5:*:*:*:*:*:*:*
- cpe:2.3:a:suse:kernel-livepatch-sle15-sp5_update_23-debugsource:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kernel-livepatch-5_14_21-150500_55_88-default-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kernel-livepatch-5_14_21-150500_55_94-default:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kernel-livepatch-sle15-sp5_update_21-debugsource:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kernel-livepatch-5_14_21-150500_55_94-default-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kernel-livepatch-5_14_21-150500_55_88-default:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2025/suse-su-202503555-1/
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.
3) Use-after-free
EUVDB-ID: #VU104952
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-2025-21791
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 include/net/l3mdev.h. A local user can escalate privileges on the system.
MitigationUpdate the affected package the Linux Kernel (Live Patch 23 for SLE 15 SP5) to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Micro: 5.5
SUSE Linux Enterprise Live Patching: 15-SP5
SUSE Linux Enterprise Server for SAP Applications 15: SP5
SUSE Linux Enterprise Server 15: SP5
SUSE Linux Enterprise Real Time 15: SP5
SUSE Linux Enterprise High Performance Computing 15: SP5
openSUSE Leap: 15.5
kernel-livepatch-SLE15-SP5_Update_23-debugsource: before 8-150500.2.1
kernel-livepatch-5_14_21-150500_55_88-default-debuginfo: before 12-150500.2.1
kernel-livepatch-5_14_21-150500_55_94-default: before 8-150500.2.1
kernel-livepatch-SLE15-SP5_Update_21-debugsource: before 12-150500.2.1
kernel-livepatch-5_14_21-150500_55_94-default-debuginfo: before 8-150500.2.1
kernel-livepatch-5_14_21-150500_55_88-default: before 12-150500.2.1
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_micro:5.5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_live_patching:15-SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:opensuse_leap:15.5:*:*:*:*:*:*:*
- cpe:2.3:a:suse:kernel-livepatch-sle15-sp5_update_23-debugsource:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kernel-livepatch-5_14_21-150500_55_88-default-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kernel-livepatch-5_14_21-150500_55_94-default:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kernel-livepatch-sle15-sp5_update_21-debugsource:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kernel-livepatch-5_14_21-150500_55_94-default-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kernel-livepatch-5_14_21-150500_55_88-default:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2025/suse-su-202503555-1/
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: #VU113376
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-2025-38477
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 qfq_change_class(), qfq_delete_class(), qfq_dump_class() and qfq_dump_class_stats() functions in net/sched/sch_qfq.c. A local user can escalate privileges on the system.
MitigationUpdate the affected package the Linux Kernel (Live Patch 23 for SLE 15 SP5) to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Micro: 5.5
SUSE Linux Enterprise Live Patching: 15-SP5
SUSE Linux Enterprise Server for SAP Applications 15: SP5
SUSE Linux Enterprise Server 15: SP5
SUSE Linux Enterprise Real Time 15: SP5
SUSE Linux Enterprise High Performance Computing 15: SP5
openSUSE Leap: 15.5
kernel-livepatch-SLE15-SP5_Update_23-debugsource: before 8-150500.2.1
kernel-livepatch-5_14_21-150500_55_88-default-debuginfo: before 12-150500.2.1
kernel-livepatch-5_14_21-150500_55_94-default: before 8-150500.2.1
kernel-livepatch-SLE15-SP5_Update_21-debugsource: before 12-150500.2.1
kernel-livepatch-5_14_21-150500_55_94-default-debuginfo: before 8-150500.2.1
kernel-livepatch-5_14_21-150500_55_88-default: before 12-150500.2.1
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_micro:5.5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_live_patching:15-SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP5:*:*:*:*:*:*:*
- cpe:2.3:o:suse:opensuse_leap:15.5:*:*:*:*:*:*:*
- cpe:2.3:a:suse:kernel-livepatch-sle15-sp5_update_23-debugsource:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kernel-livepatch-5_14_21-150500_55_88-default-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kernel-livepatch-5_14_21-150500_55_94-default:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kernel-livepatch-sle15-sp5_update_21-debugsource:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kernel-livepatch-5_14_21-150500_55_94-default-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kernel-livepatch-5_14_21-150500_55_88-default:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2025/suse-su-202503555-1/
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.
