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ALSA-2026:6153 — Moderate: kernel security update

Affected: AlmaLinux:9: kernel, AlmaLinux:9: kernel-64k, AlmaLinux:9: kernel-64k-core, AlmaLinux:9: kernel-64k-debug, AlmaLinux:9: kernel-64k-debug-core, AlmaLinux:9: kernel-64k-debug-devel, AlmaLinux:9: kernel-64k-debug-devel-matched, AlmaLinux:9: kernel-64k-debug-modules, AlmaLinux:9: kernel-64k-debug-modules-core, AlmaLinux:9: kernel-64k-debug-modules-extra and 64 more

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: Linux kernel: Use-After-Free vulnerability in ATM subsystem (CVE-2025-38180) * kernel: drm/sched: Fix potential double free in drm_sched_job_add_resv_dependencies (CVE-2025-40096) * kernel: Linux kernel: Local denial of service and memory leak in DAMON sysfs via setup failure (CVE-2026-23144) * kernel: Linux kernel: Use-after-free in bonding module can cause system crash or arbitrary code execution (CVE-2026-23171) * kernel: scsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count() (CVE-2026-23193) * kernel: macvlan: fix error recovery in macvlan_common_newlink() (CVE-2026-23209) * kernel: net/sched: cls_u32: use skb_header_pointer_careful() (CVE-2026-23204) * kernel: ALSA: aloop: Fix racy access at PCM trigger (CVE-2026-23191)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

bdu:2026-11079

BELL-CVE-2026-23144

Affected: Alpaquita:23: linux-lts, Alpaquita:25: linux-lts, Alpaquita:stream: linux-lts

certfr-2026-avi-0423 — De multiples vulnérabilités ont été découvertes dans le noyau Linux de Red Hat. Certaines d'entre elles permettent à un…

certfr-2026-avi-0423

EUVD-2026-326742

fkie_cve-2026-23144

In the Linux kernel, the following vulnerability has been resolved:

mm/damon/sysfs: cleanup attrs subdirs on context dir setup failure

When a context DAMON sysfs directory setup is failed after setup of attrs/ directory, subdirectories of attrs/ directory are not cleaned up. As a result, DAMON sysfs interface is nearly broken until the system reboots, and the memory for the unremoved directory is leaked.

Cleanup the directories under such failures.

GHSA-chwm-55mq-46m4

In the Linux kernel, the following vulnerability has been resolved:

mm/damon/sysfs: cleanup attrs subdirs on context dir setup failure

Cleanup the directories under such failures.

openSUSE-SU-2026:20416-1 — Security update for the Linux Kernel

Security update for the Linux Kernel

RHSA-2026:10108 — Red Hat Security Advisory: kernel security update

kernel: Bluetooth: MGMT: Fix possible UAFs kernel: mlxsw: spectrum_mr: Fix use-after-free when updating multicast route stats kernel: Linux kernel: Denial of Service via unsafe requeue in rxrpc_recvmsg kernel: Linux kernel: Denial of Service due to a deadlock in hugetlb folio migration kernel: Kernel: Privilege escalation or denial of service in nf_tables via inverted element activity check kernel: Linux kernel: Local denial of service and memory leak in DAMON sysfs via setup failure kernel: Linux kernel: Use-after-free in bonding module can cause system crash or arbitrary code execution kernel: scsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count() kernel: net/sched: cls_u32: use skb_header_pointer_careful() kernel: kernel: Privilege escalation or denial of service via use-after-free in nf_tables_addchain() kernel: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache

SUSE-SU-2026:20838-1 — Security update for the Linux Kernel

Security update for the Linux Kernel

UBUNTU-CVE-2026-23144

Affected: Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:18.04:LTS: linux-aws-5.0, Ubuntu:18.04:LTS: linux-aws-5.3, Ubuntu:18.04:LTS: linux-azure, Ubuntu:18.04:LTS: linux-azure-5.3, Ubuntu:18.04:LTS: linux-azure-edge, Ubuntu:18.04:LTS: linux-gcp, Ubuntu:18.04:LTS: linux-gcp-5.3, Ubuntu:18.04:LTS: linux-gke-4.15, Ubuntu:18.04:LTS: linux-gke-5.4 and 140 more

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: cleanup attrs subdirs on context dir setup failure When a context DAMON sysfs directory setup is failed after setup of attrs/ directory, subdirectories of attrs/ directory are not cleaned up. As a result, DAMON sysfs interface is nearly broken until the system reboots, and the memory for the unremoved directory is leaked. Cleanup the directories under such failures.

WID-SEC-W-2026-0421 — Linux Kernel: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen im Linux-Kernel ausnutzen, um nicht näher spezifizierte Angriffe durchzuführen, die möglicherweise zu einer Denial-of-Service- Bedingung führen oder eine Speicherbeschädigung verursachen können.