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ALSA-2026:27288 — Important: kernel security, bug fix, and enhancement update

Affected: AlmaLinux:10: kernel, AlmaLinux:10: kernel-64k, AlmaLinux:10: kernel-64k-core, AlmaLinux:10: kernel-64k-debug, AlmaLinux:10: kernel-64k-debug-core, AlmaLinux:10: kernel-64k-debug-devel, AlmaLinux:10: kernel-64k-debug-devel-matched, AlmaLinux:10: kernel-64k-debug-modules, AlmaLinux:10: kernel-64k-debug-modules-core, AlmaLinux:10: kernel-64k-debug-modules-extra and 65 more

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

Security Fix(es):

* kernel: can: isotp: fix tx.buf use-after-free in isotp_sendmsg() (CVE-2026-31474) * kernel: mptcp: fix slab-use-after-free in __inet_lookup_established (CVE-2026-31669) * kernel: rxrpc: Fix RxGK token loading to check bounds (CVE-2026-31641) * kernel: xen/privcmd: fix double free via VMA splitting (CVE-2026-31787) * kernel: Buffer overflow in drivers/xen/sys-hypervisor.c (CVE-2026-31786) * kernel: net: mana: fix use-after-free in add_adev() error path (CVE-2026-43056) * kernel: Bluetooth: hci_sync: fix stack buffer overflow in hci_le_big_create_sync (CVE-2026-31772) * kernel: bnxt_en: Fix RSS context delete logic (CVE-2026-43260) * kernel: crypto: caam - fix overflow on long hmac keys (CVE-2026-43330) * kernel: net/sched: act_pedit: extend the writable skb range per key (CVE-2026-46331) * kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (CVE-2026-46056) * kernel: wifi: mac80211: drop stray 'static' from fast-RX rx_result (CVE-2026-46152) * kernel: wifi: mac80211: remove station if connection prep fails (CVE-2026-46125) * kernel: exit: prevent preemption of oopsing TASK_DEAD task (CVE-2026-46173) * kernel: wifi: mac80211: use safe list iteration in radar detect work (CVE-2026-46166)

Bug Fix(es) and Enhancement(s):

* AlmaLinux10.0 - s390/ap: Expose ap_bindings_complete_count counter via sysfs [almalinux-10.2…

BELL-CVE-2026-46166

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

certfr-2026-avi-0808 — De multiples vulnérabilités ont été découvertes dans le noyau Linux de Red Hat. Certaines d'entre elles permettent à un…

certfr-2026-avi-0808

ESSA-2026:0155 — Important: kernel security, bug fix, and enhancement update

Important: kernel security, bug fix, and enhancement update

EUVD-2026-348028

fkie_cve-2026-46166

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

wifi: mac80211: use safe list iteration in radar detect work

The call to ieee80211_dfs_cac_cancel can cause the iterated chanctx to be freed and removed from the list. Guard against this to avoid a slab-use-after-free error.

GHSA-pqxf-3wq6-69f8

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

wifi: mac80211: use safe list iteration in radar detect work

The call to ieee80211_dfs_cac_cancel can cause the iterated chanctx to be freed and removed from the list. Guard against this to avoid a slab-use-after-free error.

RHSA-2026:27708 — Red Hat Security Advisory: kernel security, bug fix, and enhancement update

kernel: smc: Fix use-after-free in __pnet_find_base_ndev() kernel: smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match() kernel: Linux kernel: Denial of Service in libceph OSD client due to unreset sparse-read state kernel: netfilter: ctnetlink: ensure safe access to master conntrack kernel: xfs: fix freemap adjustments when adding xattrs to leaf blocks kernel: mm/page_alloc: clear page->private in free_pages_prepare() kernel: RDMA/iwcm: Fix workqueue list corruption by removing work_list kernel: wifi: mac80211: remove station if connection prep fails kernel: wifi: mac80211: use safe list iteration in radar detect work kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions kernel: Linux kernel: Use-After-Free in net/gro due to improper handling of zerocopy skbs kernel: net/sched: act_pedit: extend the writable skb range per key

RLSA-2026:27288 — Important: kernel security, bug fix, and enhancement update

Affected: Rocky Linux:10: kernel

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

Security Fix(es):

* kernel: can: isotp: fix tx.buf use-after-free in isotp_sendmsg() (CVE-2026-31474)

* kernel: mptcp: fix slab-use-after-free in __inet_lookup_established (CVE-2026-31669)

* kernel: rxrpc: Fix RxGK token loading to check bounds (CVE-2026-31641)

* kernel: xen/privcmd: fix double free via VMA splitting (CVE-2026-31787)

* kernel: Buffer overflow in drivers/xen/sys-hypervisor.c (CVE-2026-31786)

* kernel: net: mana: fix use-after-free in add_adev() error path (CVE-2026-43056)

* kernel: Bluetooth: hci_sync: fix stack buffer overflow in hci_le_big_create_sync (CVE-2026-31772)

* kernel: bnxt_en: Fix RSS context delete logic (CVE-2026-43260)

* kernel: crypto: caam - fix overflow on long hmac keys (CVE-2026-43330)

* kernel: net/sched: act_pedit: extend the writable skb range per key (CVE-2026-46331)

* kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (CVE-2026-46056)

* kernel: wifi: mac80211: drop stray 'static' from fast-RX rx_result (CVE-2026-46152)

* kernel: wifi: mac80211: remove station if connection prep fails (CVE-2026-46125)

* kernel: exit: prevent preemption of oopsing TASK_DEAD task (CVE-2026-46173)

* kernel: wifi: mac80211: use safe list iteration in radar detect work (CVE-2026-46166)

Bug Fix(es) and Enhancement(s):

* Rocky Linux10.0 - s390/ap: Expose ap_bindings_complete_count counter via sysfs [rhel-10.2.z] (JIRA:Rocky Linux-166047…

SUSE-SU-2026:23066-1 — Security update for the Linux Kernel

Security update for the Linux Kernel

UBUNTU-CVE-2026-46166

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 127 more

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: use safe list iteration in radar detect work The call to ieee80211_dfs_cac_cancel can cause the iterated chanctx to be freed and removed from the list. Guard against this to avoid a slab-use-after-free error.

WID-SEC-W-2026-1700 — Linux Kernel: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen oder andere nicht näher spezifizierte Auswirkungen zu erzielen.