SUSE update for the Linux Kernel (Live Patch 5 for SLE 15 SP6)

Published: 2025-06-13

Risk	Low
Patch available	YES
Number of vulnerabilities	4
CVE-ID	CVE-2024-49855 CVE-2024-57996 CVE-2024-58013 CVE-2025-21680
CWE-ID	CWE-416 CWE-125
Exploitation vector	Local
Public exploit	N/A
Vulnerable software	SUSE Linux Enterprise Live Patching Operating systems & Components / Operating system SUSE Linux Enterprise Real Time 15 Operating systems & Components / Operating system openSUSE Leap 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 kernel-livepatch-6_4_0-150600_21-default Operating systems & Components / Operating system package or component kernel-livepatch-6_4_0-150600_23_14-default Operating systems & Components / Operating system package or component kernel-livepatch-6_4_0-150600_23_25-default Operating systems & Components / Operating system package or component kernel-livepatch-6_4_0-150600_23_14-default-debuginfo Operating systems & Components / Operating system package or component kernel-livepatch-SLE15-SP6_Update_1-debugsource Operating systems & Components / Operating system package or component kernel-livepatch-6_4_0-150600_23_25-default-debuginfo Operating systems & Components / Operating system package or component kernel-livepatch-SLE15-SP6_Update_0-debugsource Operating systems & Components / Operating system package or component kernel-livepatch-SLE15-SP6_Update_5-debugsource Operating systems & Components / Operating system package or component kernel-livepatch-6_4_0-150600_23_7-default Operating systems & Components / Operating system package or component kernel-livepatch-6_4_0-150600_21-default-debuginfo Operating systems & Components / Operating system package or component kernel-livepatch-6_4_0-150600_23_7-default-debuginfo Operating systems & Components / Operating system package or component kernel-livepatch-SLE15-SP6_Update_2-debugsource 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: #VU98893

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-2024-49855

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 nbd_requeue_cmd() and nbd_xmit_timeout() functions in drivers/block/nbd.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package the Linux Kernel (Live Patch 5 for SLE 15 SP6) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Live Patching: 15-SP6

SUSE Linux Enterprise Real Time 15: SP6

openSUSE Leap: 15.6

SUSE Linux Enterprise Server for SAP Applications 15: SP6

SUSE Linux Enterprise Server 15: SP6

kernel-livepatch-6_4_0-150600_21-default: before 17-150600.4.43.2

kernel-livepatch-6_4_0-150600_23_14-default: before 15-150600.2.2

kernel-livepatch-6_4_0-150600_23_25-default: before 10-150600.2.2

kernel-livepatch-6_4_0-150600_23_14-default-debuginfo: before 15-150600.2.2

kernel-livepatch-SLE15-SP6_Update_1-debugsource: before 15-150600.2.2

kernel-livepatch-6_4_0-150600_23_25-default-debuginfo: before 10-150600.2.2

kernel-livepatch-SLE15-SP6_Update_0-debugsource: before 17-150600.4.43.2

kernel-livepatch-SLE15-SP6_Update_5-debugsource: before 10-150600.2.2

kernel-livepatch-6_4_0-150600_23_7-default: before 15-150600.2.2

kernel-livepatch-6_4_0-150600_21-default-debuginfo: before 17-150600.4.43.2

kernel-livepatch-6_4_0-150600_23_7-default-debuginfo: before 15-150600.2.2

kernel-livepatch-SLE15-SP6_Update_2-debugsource: before 15-150600.2.2

CPE2.3

External links

https://www.suse.com/support/update/announcement/2025/suse-su-202501932-1/

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: #VU104987

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-2024-57996

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The 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 sfq_change() function in net/sched/sch_sfq.c. A local user can perform a denial of service (DoS) attack.