SB2025112428 - SUSE update for the Linux Kernel (Live Patch 60 for SUSE Linux Enterprise 15 SP3)

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) NULL pointer dereference (CVE-ID: CVE-2022-50388)

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

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

2) Use-after-free (CVE-ID: CVE-2022-50432)

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

The vulnerability exists due to a use-after-free error within the kernfs_remove_by_name_ns() function in fs/kernfs/dir.c. A local user can escalate privileges on the system.

3) Use-after-free (CVE-ID: CVE-2023-53673)

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

The vulnerability exists due to a use-after-free error within the hci_cs_disconnect() function in net/bluetooth/hci_event.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-20254172-1/