Red Hat Security Advisory: kernel security, bug fix, and enhancement update

Fixed packages 158

Vulnerabilities 17

• Critical 9.8
  CVE-2026-80714

  ipvs: do not propagate one-packet flag to synced conns

  In the Linux kernel, the following vulnerability has been resolved: ipvs: do not propagate one-packet flag to synced conns Synced connections can be created before their destination exists. When the destination is later added, ip_vs_bind_dest() copies connect…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Aug 28, 2026
• High 8.8
  CVE-2026-68108

  drm/amdgpu/vce: fix integer overflow in image size

  In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vce: fix integer overflow in image size Fix a security vulnerability where malicious VCE command streams with oversized dimensions (e.g. 65536×65536) cause 32-bit integer overflow,…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Aug 10, 2026
• High 7.8
  CVE-2025-40323

  fbcon: Set fb_display[i]->mode to NULL when the mode is released

  In the Linux kernel, the following vulnerability has been resolved: fbcon: Set fb_display[i]->mode to NULL when the mode is released Recently, we discovered the following issue through syzkaller: BUG: KASAN: slab-use-after-free in fb_mode_is_equal+0x285/0x2f0…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Dec 8, 2025
• High 7.8
  CVE-2026-46311

  drm/amdgpu/userq: fix access to stale wptr mapping

  In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/userq: fix access to stale wptr mapping Use drm_exec to take both locks i.e vm root bo and wptr_obj bo to access the mapping data properly. This fixes the security issue of unmap t…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Jun 8, 2026
• High 7.8
  CVE-2026-52912

  netfilter: nf_queue: hold bridge skb->dev while queued

  In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_queue: hold bridge skb->dev while queued br_pass_frame_up() rewrites skb->dev from the ingress port to the bridge master before queueing bridge LOCAL_IN packets. NFQUEUE only ho…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jun 24, 2026
• High 7.8
  CVE-2026-53290

  drm/xe/eustall: Fix drm_dev_put called before stream disable in close

  In the Linux kernel, the following vulnerability has been resolved: drm/xe/eustall: Fix drm_dev_put called before stream disable in close In xe_eu_stall_stream_close(), drm_dev_put() is called before the stream is disabled and its resources are freed. If this…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Jun 26, 2026
• High 7.8
  CVE-2026-64098

  drm/virtio: use uninterruptible resv lock for plane updates

  In the Linux kernel, the following vulnerability has been resolved: drm/virtio: use uninterruptible resv lock for plane updates virtio_gpu_cursor_plane_update() and virtio_gpu_resource_flush() lock the framebuffer BO's dma_resv via virtio_gpu_array_lock_resv(…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Jul 19, 2026
• High 7.8
  CVE-2026-68121 Public exploit

  pppoe: reload header pointer after dev_hard_header()

  In the Linux kernel, the following vulnerability has been resolved: pppoe: reload header pointer after dev_hard_header() pppoe_sendmsg() saves a pointer to the PPPoE header before calling dev_hard_header(). Device header callbacks are allowed to reallocate th…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Aug 10, 2026
• High 7.8
  CVE-2026-68257

  drm/amdkfd: fix 32-bit overflow in CWSR total size calculation

  In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix 32-bit overflow in CWSR total size calculation total_cwsr_size was computed in 32-bit before being used as a BO/SVM allocation size. With large ctx_save_restore_area_size and …

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Aug 10, 2026
• High 7.8
  CVE-2026-68266

  drm/xe: Hold a dma-buf reference for imported BOs

  In the Linux kernel, the following vulnerability has been resolved: drm/xe: Hold a dma-buf reference for imported BOs An imported dma-buf BO is created as a ttm_bo_type_sg BO whose reservation object is the exporter's dma_buf->resv. The importer, however, onl…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Aug 10, 2026
• High 7.8
  CVE-2026-68273

  drm/amdgpu: Fix context pstate override handling

  In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix context pstate override handling There are several problems in the context pstate handling code. The most serious ones are potential use-after-free and NULL pointer dereferenc…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Aug 10, 2026
• High 7.5
  CVE-2026-31539

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

  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 …

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Apr 24, 2026
• High 7.1
  CVE-2026-46199

  drm/amdgpu/vcn4: Prevent OOB reads when parsing dec msg

  In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn4: Prevent OOB reads when parsing dec msg Check bounds against the end of the BO whenever we access the msg.

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  May 28, 2026
• High 7.1
  CVE-2026-46204

  drm/amdgpu/vcn4: Prevent OOB reads when parsing IB

  In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn4: Prevent OOB reads when parsing IB Rewrite the IB parsing to use amdgpu_ib_get_value() which handles the bounds checks.

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  May 28, 2026
• High 7.1
  CVE-2026-46230

  drm/amdgpu/vcn3: Prevent OOB reads when parsing dec msg

  In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn3: Prevent OOB reads when parsing dec msg Check bounds against the end of the BO whenever we access the msg.

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  May 28, 2026
• High 7.1
  CVE-2026-53203

  accel/ivpu: Add buffer overflow check in MS get_info_ioctl

  In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Add buffer overflow check in MS get_info_ioctl Add validation that the info size returned from the metric stream info query is not exceeded when checked against the allocated buff…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Jun 25, 2026
• Unscored —
  CVE-2026-68267

  drm/xe/rtp: Add RING_FORCE_TO_NONPRIV_DENY to OA whitelists

  In the Linux kernel, the following vulnerability has been resolved: drm/xe/rtp: Add RING_FORCE_TO_NONPRIV_DENY to OA whitelists Unconditionally whitelisting OA registers is a security violation. Set RING_FORCE_TO_NONPRIV_DENY bit in OA nonpriv slots, so that …

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Aug 10, 2026

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2419883
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2461575
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2482533
• report
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• report
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• report
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• report
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• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2492798
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2493739
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2502536
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2513233
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2513361
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2513372
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2513414
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2513429
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2513434
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2525436
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_71700.json
• report
  https://access.redhat.com/security/cve/CVE-2025-40323
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-40323
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-40323
• article
  https://lore.kernel.org/linux-cve-announce/2025120824-CVE-2025-40323-047f@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2026-31539
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-31539
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-31539
• article
  https://lore.kernel.org/linux-cve-announce/2026042434-CVE-2026-31539-fe1a@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2026-46199
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-46199
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-46199
• article
  https://kernelcve.org/list/?q=CVE-2026-46199
• article
  https://lore.kernel.org/linux-cve-announce/2026052832-CVE-2026-46199-8adf@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2026-46204
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-46204
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-46204
• article
  https://lore.kernel.org/linux-cve-announce/2026052833-CVE-2026-46204-955f@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2026-46230
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-46230
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-46230