SB2025092676 - SUSE update for the Linux Kernel (Live Patch 31 for SLE 15 SP4)
Published: September 26, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 8 secuirty vulnerabilities.
1) Expired pointer dereference (CVE-ID: CVE-2024-26808)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a stale reference within the nf_tables_netdev_event() function in net/netfilter/nft_chain_filter.c. A local user can perform a denial of service (DoS) attack.
2) Buffer overflow (CVE-ID: CVE-2024-49860)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the acpi_device_setup_files() function in drivers/acpi/device_sysfs.c. A local user can perform a denial of service (DoS) attack.
3) NULL pointer dereference (CVE-ID: CVE-2025-21755)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the __vsock_release() function in net/vmw_vsock/af_vsock.c. A local user can perform a denial of service (DoS) attack.
4) Use-after-free (CVE-ID: CVE-2025-21756)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the EXPORT_SYMBOL_GPL() and __vsock_release() functions in net/vmw_vsock/af_vsock.c. A local user can escalate privileges on the system.
5) Input validation error (CVE-ID: CVE-2025-38177)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the eltree_insert() and hfsc_qlen_notify() functions in net/sched/sch_hfsc.c. A local user can perform a denial of service (DoS) attack.
6) Improper error handling (CVE-ID: CVE-2025-38181)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the calipso_req_setattr() and calipso_req_delattr() functions in net/ipv6/calipso.c. A local user can perform a denial of service (DoS) attack.
7) Improper privilege management (CVE-ID: CVE-2025-38498)
The vulnerability allows a local user to read and manipulate data.
The vulnerability exists due to improperly imposed permissions within the do_change_type() function in fs/namespace.c. A local user can read and manipulate data.
8) Use-after-free (CVE-ID: CVE-2025-38555)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the composite_os_desc_req_prepare() function in drivers/usb/gadget/composite.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.