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ALSA-2026:34911 — 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: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath (CVE-2026-43112) * kernel: rxrpc: Fix potential UAF after skb_unshare() failure (CVE-2026-45998) * kernel: drm/gem: Fix inconsistent plane dimension calculation in drm_gem_fb_init_with_funcs() (CVE-2026-46209) * kernel: netfilter: nft_inner: Fix IPv6 inner_thoff desync (CVE-2026-46244) * kernel: Arm Processors: Privilege escalation or information disclosure via writes to higher exception level resources (CVE-2025-10263) * kernel: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry (CVE-2026-46316) * kernel: kernel: ipv6 frag escape ()

Bug Fix(es) and Enhancement(s):

* crypto: testmgr - allow authenc(hmac(sha{256,384}),cts(cbc(aes))) in FIPS mode [almalinux-10.2.z] (JIRA:AlmaLinux-182537) * [ThinkPad Avon/Mario +AlmaLinux 10.2]The OS hang up with CapsLock fliker (JIRA:AlmaLinux-185110)

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:2026-13733

certfr-2026-avi-0721 — De multiples vulnérabilités ont été découvertes dans Xen. Elles permettent à un attaquant de provoquer une élévation de…

certfr-2026-avi-0721

EUVD-2026-363711

fkie_cve-2025-10263

Arm C1-Ultra, C1-Premium, Neoverse V3 & V3AE, Neoverse V2, Neoverse V1, Neoverse-N2, Neoverse-N1, Cortex-X925, Cortex-X4, Cortex-X3, Cortex-X2, Cortex-X1 & X1C, Cortex-A710, Cortex-A78, A78AE & A78C, Cortex-A77, Cortex-A76 & A76A may allow writes to resources owned by a higher exception level.

GHSA-x9c8-763w-495x

NCSC-2026-0181 — Kwetsbaarheden verholpen in Microsoft Windows

NCSC-2026-0181

OESA-2026-2869 — kernel security update

Affected: openEuler:24.03-LTS-SP3: kernel

The Linux Kernel, the operating system core itself. Security Fix(es):

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

smb: client: let smbd_destroy() call disable_work_sync(&info->post_send_credits_work)

In smbd_destroy() we may destroy the memory so we better wait until post_send_credits_work is no longer pending and will never be started again.

I actually just hit the case using rxe:

WARNING: CPU: 0 PID: 138 at drivers/infiniband/sw/rxe/rxe_verbs.c:1032 rxe_post_recv+0x1ee/0x480 [rdma_rxe] ... [ 5305.686979] [ T138] smbd_post_recv+0x445/0xc10 [cifs] [ 5305.687135] [ T138] ? srso_alias_return_thunk+0x5/0xfbef5 [ 5305.687149] [ T138] ? __kasan_check_write+0x14/0x30 [ 5305.687185] [ T138] ? __pfx_smbd_post_recv+0x10/0x10 [cifs] [ 5305.687329] [ T138] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 5305.687356] [ T138] ? srso_alias_return_thunk+0x5/0xfbef5 [ 5305.687368] [ T138] ? srso_alias_return_thunk+0x5/0xfbef5 [ 5305.687378] [ T138] ? _raw_spin_unlock_irqrestore+0x11/0x60 [ 5305.687389] [ T138] ? srso_alias_return_thunk+0x5/0xfbef5 [ 5305.687399] [ T138] ? get_receive_buffer+0x168…

openSUSE-SU-2026:21388-1 — Security update for the Linux Kernel

Security update for the Linux Kernel

RHSA-2026:36348 — Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

kernel: Arm Processors: Privilege escalation or information disclosure via writes to higher exception level resources kernel: tcp: fix potential race in tcp_v6_syn_recv_sock() kernel: netfilter: nfnetlink_cthelper: fix OOB read in nfnl_cthelper_dump_table() kernel: drm/gem: Fix inconsistent plane dimension calculation in drm_gem_fb_init_with_funcs() kernel: sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL kernel: procfs: fix missing RCU protection when reading real_parent in do_task_stat()

RLSA-2026:36018 — Important: kernel security, bug fix, and enhancement update

Affected: Rocky Linux:9: kernel

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

Security Fix(es):

* kernel: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath (CVE-2026-43112)

* kernel: net: mana: Fix double destroy_workqueue on service rescan PCI path (CVE-2026-43276)

* kernel: Linux kernel: Use-After-Free in net/gro due to improper handling of zerocopy skbs (CVE-2026-46323)

* kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete (CVE-2026-46116)

* kernel: sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL (CVE-2026-46227)

* kernel: drm/gem: Fix inconsistent plane dimension calculation in drm_gem_fb_init_with_funcs() (CVE-2026-46209)

* kernel: smb/client: fix out-of-bounds read in smb2_compound_op() (CVE-2026-46155)

* kernel: netfilter: nft_inner: Fix IPv6 inner_thoff desync (CVE-2026-46244)

* kernel: procfs: fix missing RCU protection when reading real_parent in do_task_stat() (CVE-2026-46259)

* kernel: Arm Processors: Privilege escalation or information disclosure via writes to higher exception level resources (CVE-2025-10263)

* kernel: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry (CVE-2026-46316)

Bug Fix(es) and Enhancement(s):

* WARNING at drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c:1585 r535_gsp_fini+0x2fb/0x310 [nouveau] [rhel-9.8.z] (JIRA:Rocky Linux-160966)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgme…

SUSE-SU-2026:22433-1 — Security update for the Linux Kernel

Security update for the Linux Kernel

UBUNTU-CVE-2025-10263

Affected: Ubuntu:Pro:14.04:LTS: linux, Ubuntu:Pro:14.04:LTS: linux-aws, Ubuntu:Pro:14.04:LTS: linux-azure, Ubuntu:Pro:14.04:LTS: linux-lts-xenial, Ubuntu:Pro:16.04:LTS: linux, Ubuntu:Pro:16.04:LTS: linux-aws, Ubuntu:Pro:16.04:LTS: linux-aws-hwe, Ubuntu:Pro:16.04:LTS: linux-azure, Ubuntu:Pro:16.04:LTS: linux-gcp, Ubuntu:Pro:16.04:LTS: linux-hwe and 252 more

WID-SEC-W-2026-1849 — Microsoft Windows: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in verschiedenen Versionen von Microsoft Windows und Microsoft Windows Server ausnutzen, um Administratorrechte zu erlangen, beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren und offenzulegen oder Spoofing-Angriffe durchzuführen.