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ALSA-2026:67471 — 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: tls: Use __sk_dst_get() and dst_dev_rcu() in get_netdev_for_sock() (CVE-2025-40149) * kernel: Linux kernel: Denial of Service in qla2xxx SCSI driver due to improper command handling after chip reset (CVE-2025-68745) * kernel: drm/xe: Open-code GGTT MMIO access protection (CVE-2026-23466) * kernel: drm/xe: always keep track of remap prev/next (CVE-2026-31479) * kernel: drm/amdgpu: Fix fence put before wait in amdgpu_amdkfd_submit_ib (CVE-2026-31566) * kernel: xfrm: hold dev ref until after transport_finish NF_HOOK (CVE-2026-31663) * kernel: drm/i915/gt: fix refcount underflow in intel_engine_park_heartbeat (CVE-2026-31656) * kernel: smb: smbdirect: introduce smbdirect_socket.recv_io.credits.available (CVE-2026-31539) * kernel: vhost: move vdpa group bound check to vhost_vdpa (CVE-2026-43248) * kernel: drm/i915: Fix potential overflow of shmem scatterlist length (CVE-2026-43368) * kernel: drm/amdgpu: Fix use-after-free race in VM acquire (CVE-2026-43370) * kernel: scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show() (CVE-2026-46149) * kernel: sctp: purge outqueue on stale COOKIE-ECHO handling (CVE-2026-52924) * kernel: netfilter: require Ethernet MAC header before using eth_hdr() (CVE-2026-53131) * kernel: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing (CVE-2026-53246) * kernel: xfr…

bdu:2026-12554

BELL-CVE-2026-31539

Affected: Alpaquita:stream: linux-lts

certfr-2026-avi-1204 — De multiples vulnérabilités ont été découvertes dans le noyau Linux de Red Hat. Certaines d'entre elles permettent à un…

certfr-2026-avi-1204

EUVD-2026-347712

fkie_cve-2026-31539

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

smb: smbdirect: introduce smbdirect_socket.recv_io.credits.available

The logic off managing recv credits by counting posted recv_io and granted credits is racy.

That's because the peer might already consumed a credit, but between receiving the incoming recv at the hardware and processing the completion in the 'recv_done' functions we likely have a window where we grant credits, which don't really exist.

So we better have a decicated counter for the available credits, which will be incremented when we posted new recv buffers and drained when we grant the credits to the peer.

GHSA-vm72-v475-frvx

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

smb: smbdirect: introduce smbdirect_socket.recv_io.credits.available

The logic off managing recv credits by counting posted recv_io and granted credits is racy.

So we better have a decicated counter for the available credits, which will be incremented when we posted new recv buffers and drained when we grant the credits to the peer.

RHSA-2026:67471 — Red Hat Security Advisory: kernel security, bug fix, and enhancement update

kernel: tls: Use __sk_dst_get() and dst_dev_rcu() in get_netdev_for_sock() kernel: Linux kernel: Denial of Service in qla2xxx SCSI driver due to improper command handling after chip reset kernel: drm/xe: Open-code GGTT MMIO access protection kernel: drm/xe: always keep track of remap prev/next kernel: smb: smbdirect: introduce smbdirect_socket.recv_io.credits.available kernel: drm/amdgpu: Fix fence put before wait in amdgpu_amdkfd_submit_ib kernel: drm/i915/gt: fix refcount underflow in intel_engine_park_heartbeat kernel: xfrm: hold dev ref until after transport_finish NF_HOOK kernel: vhost: move vdpa group bound check to vhost_vdpa kernel: drm/i915: Fix potential overflow of shmem scatterlist length kernel: drm/amdgpu: Fix use-after-free race in VM acquire kernel: scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show() kernel: sctp: purge outqueue on stale COOKIE-ECHO handling kernel: netfilter: require Ethernet MAC header before using eth_hdr() kernel: xfrm: policy: fix use-after-free on inexact bin in xfrm_policy_bysel_ctx() kernel: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing kernel: af_unix: Set gc_in_progress to true in unix_gc() kernel: scsi: scsi_transport_fc: Widen FPIN pname walker counter to u32 kernel: ip6: vti: Use ip6_tnl.net in vti6_changelink() kernel: xfrm: input: hold netns during deferred transport reinjection kernel: ip6: vti: Use ip6_tnl.net in vti6_siocdevprivate() kernel: lsm: hold cred_guard_mutex for lsm_s…

RLSA-2026:67471 — 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: tls: Use __sk_dst_get() and dst_dev_rcu() in get_netdev_for_sock() (CVE-2025-40149)

* kernel: Linux kernel: Denial of Service in qla2xxx SCSI driver due to improper command handling after chip reset (CVE-2025-68745)

* kernel: drm/xe: Open-code GGTT MMIO access protection (CVE-2026-23466)

* kernel: drm/xe: always keep track of remap prev/next (CVE-2026-31479)

* kernel: drm/amdgpu: Fix fence put before wait in amdgpu_amdkfd_submit_ib (CVE-2026-31566)

* kernel: xfrm: hold dev ref until after transport_finish NF_HOOK (CVE-2026-31663)

* kernel: drm/i915/gt: fix refcount underflow in intel_engine_park_heartbeat (CVE-2026-31656)

* kernel: smb: smbdirect: introduce smbdirect_socket.recv_io.credits.available (CVE-2026-31539)

* kernel: vhost: move vdpa group bound check to vhost_vdpa (CVE-2026-43248)

* kernel: drm/i915: Fix potential overflow of shmem scatterlist length (CVE-2026-43368)

* kernel: drm/amdgpu: Fix use-after-free race in VM acquire (CVE-2026-43370)

* kernel: scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show() (CVE-2026-46149)

* kernel: sctp: purge outqueue on stale COOKIE-ECHO handling (CVE-2026-52924)

* kernel: netfilter: require Ethernet MAC header before using eth_hdr() (CVE-2026-53131)

* kernel: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing (CVE-2026-53246)

* kernel: xfrm: policy: fix use-af…

UBUNTU-CVE-2026-31539

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 85 more

In the Linux kernel, the following vulnerability has been resolved: smb: smbdirect: introduce smbdirect_socket.recv_io.credits.available The logic off managing recv credits by counting posted recv_io and granted credits is racy. That's because the peer might already consumed a credit, but between receiving the incoming recv at the hardware and processing the completion in the 'recv_done' functions we likely have a window where we grant credits, which don't really exist. So we better have a decicated counter for the available credits, which will be incremented when we posted new recv buffers and drained when we grant the credits to the peer.

WID-SEC-W-2026-1279 — Linux Kernel: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um nicht näher spezifizierte Angriffe durchzuführen, welche zu einem Denial-of-Service-Zustand, einer Rechteausweitung, der Ausführung von Code oder einer Speicherbeschädigung führen könnten.