SB2025012764 - SUSE update for the Linux Kernel (Live Patch 48 for SLE 15 SP3)

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Resource management error (CVE-ID: CVE-2022-48956)

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

The vulnerability exists due to resource management error within the ip6_fragment() function in net/ipv6/ip6_output.c. A local user can perform a denial of service (DoS) attack.

2) Use-after-free (CVE-ID: CVE-2024-36971)

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to a use-after-free error within the xfrm_link_failure() function in net/xfrm/xfrm_policy.c, within the dst_entry ip6_dst_check() and ip6_dst_check() functions in net/ipv6/route.c, within the dst_entry ipv4_dst_check() and ip_do_redirect() functions in net/ipv4/route.c. A remote attacker can send specially crafted packets to the system and execute arbitrary code.

Note, the vulnerability is being actively exploited in the wild.

3) Use-after-free (CVE-ID: CVE-2024-50264)

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

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

Remediation

Install update from vendor's website.

References

• https://www.suse.com/support/update/announcement/2025/suse-su-20250246-1/