SB2026032338 - SUSE update for the Linux Kernel (Live Patch 66 for SUSE Linux Enterprise 12 SP5)
Published: March 23, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 9 secuirty vulnerabilities.
1) Improper resource shutdown or release (CVE-ID: CVE-2022-50423)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to failure to properly release resources within the acpi_ut_copy_ipackage_to_ipackage() function in drivers/acpi/acpica/utcopy.c. A local user can perform a denial of service (DoS) attack.
2) Use-after-free (CVE-ID: CVE-2022-50697)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the mrp_join_timer(), mrp_periodic_timer(), mrp_init_applicant() and mrp_uninit_applicant() functions in net/802/mrp.c. A local user can escalate privileges on the system.
3) Buffer overflow (CVE-ID: CVE-2022-50756)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the nvme_dbbuf_update_and_check_event() function in drivers/nvme/host/pci.c. A local user can escalate privileges on the system.
4) Use-after-free (CVE-ID: CVE-2023-53781)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the __smc_create() function in net/smc/af_smc.c. A local user can escalate privileges on the system.
5) Buffer overflow (CVE-ID: CVE-2025-21738)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the ata_pio_sector() function in drivers/ata/libata-sff.c. A local user can perform a denial of service (DoS) attack.
6) Use-after-free (CVE-ID: CVE-2025-38488)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the crypt_message() function in fs/smb/client/smb2ops.c. A local user can escalate privileges on the system.
7) Use-after-free (CVE-ID: CVE-2025-68285)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the monmap_show() and osdmap_show() functions in net/ceph/debugfs.c. A local user can escalate privileges on the system.
8) NULL pointer dereference (CVE-ID: CVE-2025-68813)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the __ip_vs_get_out_rt() function in net/netfilter/ipvs/ip_vs_xmit.c. A local user can perform a denial of service (DoS) attack.
9) Resource management error (CVE-ID: CVE-2025-71085)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the calipso_skbuff_setattr() function in net/ipv6/calipso.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.