SB2025021298 - SUSE update for the Linux Kernel (Live Patch 17 for SLE 15 SP5)

Description

This security bulletin contains information about 3 vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2022-48912)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 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

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

The vulnerability exists due to a use-after-free error within the nf_register_net_hook() function in net/netfilter/core.c. A local user can escalate privileges on the system.

2) Use-after-free (CVE-ID: CVE-2024-45016)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 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

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

The vulnerability exists due to a use-after-free error within the netem_enqueue() function in net/sched/sch_netem.c. A local user can escalate privileges on the system.

3) NULL pointer dereference (CVE-ID: CVE-2024-47684)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: 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

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

The vulnerability exists due to NULL pointer dereference within the include/net/tcp.h. A local user can perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://www.suse.com/support/update/announcement/2025/suse-su-20250487-1/