SB2025112660 - SUSE update for the Linux Kernel (Live Patch 6 for SUSE Linux Enterprise 15 SP6)

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Input validation error (CVE-ID: CVE-2024-53141)

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

The vulnerability exists due to improper input validation within the bitmap_ip_uadt() function in net/netfilter/ipset/ip_set_bitmap_ip.c. A local user can perform a denial of service (DoS) attack.

2) NULL pointer dereference (CVE-ID: CVE-2025-23145)

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

The vulnerability exists due to NULL pointer dereference within the subflow_hmac_valid() and subflow_syn_recv_sock() functions in net/mptcp/subflow.c. A local user can perform a denial of service (DoS) attack.

3) Use-after-free (CVE-ID: CVE-2025-38500)

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

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

4) Out-of-bounds read (CVE-ID: CVE-2025-38616)

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 tls_rx_rec_wait() function in net/tls/tls_sw.c, within the tls_strp_load_anchor_with_queue() and tls_strp_msg_load() functions in net/tls/tls_strp.c. 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-20254261-1/