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openSUSE Leap 15.4: Kernel Important Update for CVE-2023-53673, 2025:4199

Linuxsecurity •LinuxSecurity Advisories • November 24, 2025

This update for the SUSE Linux Enterprise kernel 5.14.21-150400.24.141 fixes various security issues The following security issues were fixed: * CVE-2023-53673: Bluetooth: hci_event: call disconnect callback before deleting conn (bsc#1251983). * CVE-2024-53141: netfilter: ipset: add missing range check in bitmap_ip_uadt (bsc#1245778). * CVE-2025-23145: mptcp: fix NULL pointer in can_accept_new_subflow (bsc#1242882).

## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * openSUSE Leap 15.4 zypper in -t patch SUSE-2025-4199=1 * SUSE Linux Enterprise Live Patching 15-SP4 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2025-4199=1

* openSUSE Leap 15.4 (ppc64le s390x x86_64) * kernel-livepatch-5_14_21-150400_24_141-default-debuginfo-18-150400.2.1 * kernel-livepatch-SLE15-SP4_Update_33-debugsource-18-150400.2.1 * kernel-livepatch-5_14_21-150400_24_141-default-18-150400.2.1 * SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64) * kernel-livepatch-5_14_21-150400_24_141-default-debuginfo-18-150400.2.1 * kernel-livepatch-SLE15-SP4_Update_33-debugsource-18-150400.2.1 * kernel-livepatch-5_14_21-150400_24_141-default-18-150400.2.1

* bsc#1242882 * bsc#1245778 * bsc#1251983 ## References: * * * * * *

The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

SUSE and openSUSE Address Moderate grub2 Vulnerabilities SUSE and openSUSE have released updates for grub2 to address multiple vulnerabilities, including use-after-free and out-of-bounds write issues. The updates fix specific CVEs, including CVE-2025-54771 and CVE-2025-61661, which could potentially affect system stability and security. 46 sources 44

Extracted Entities

CVEs (3)

CVE-2023-53673 CVE-2024-53141 CVE-2025-23145