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High RLSA-2026:71602 22 CVEs

Important: kernel security, bug fix, and enhancement update

Published Sep 26, 2026 · Updated Sep 26, 2026

Summary

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

Security Fix(es):

* kernel: fbcon: Set fb_display[i]->mode to NULL when the mode is released (CVE-2025-40323)

* kernel: libceph: fix potential use-after-free in have_mon_and_osd_map() (CVE-2025-68285)

* kernel: libceph: make decode_pool() more resilient against corrupted osdmaps (CVE-2025-71116)

* kernel: libceph: prevent potential out-of-bounds reads in handle_auth_done() (CVE-2026-22984)

* kernel: libceph: replace overzealous BUG_ON in osdmap_apply_incremental() (CVE-2026-22990)

* kernel: Linux kernel: Denial of Service in libceph OSD client due to unreset sparse-read state (CVE-2026-23136)

* kernel: drm/amdgpu/vcn3: Prevent OOB reads when parsing dec msg (CVE-2026-46230)

* kernel: drm/amdgpu/vcn4: Prevent OOB reads when parsing IB (CVE-2026-46204)

* kernel: drm/amdgpu/vcn4: Prevent OOB reads when parsing dec msg (CVE-2026-46199)

* kernel: drm/amdgpu/userq: fix access to stale wptr mapping (CVE-2026-46311)

* kernel: af_unix: Drop all SCM attributes for SOCKMAP (CVE-2026-53005)

* kernel: accel/ivpu: Add buffer overflow check in MS get_info_ioctl (CVE-2026-53203)

* kernel: drm/xe/eustall: Fix drm_dev_put called before stream disable in close (CVE-2026-53290)

* kernel: drm/virtio: use uninterruptible resv lock for plane updates (CVE-2026-64098)

* kernel: Linux kernel: PPPoE memory corruption via stale pointer (CVE-2026-68121)

* kernel: drm/amdgpu/vce: fix integer overflow in image size (CVE-2026-68108)

* kernel: drm/amdkfd: fix 32-bit overflow in CWSR total size calculation (CVE-2026-68257)

* kernel: drm/xe/rtp: Add RING_FORCE_TO_NONPRIV_DENY to OA whitelists (CVE-2026-68267)

* kernel: drm/xe: Hold a dma-buf reference for imported BOs (CVE-2026-68266)

* kernel: drm/amdgpu: Fix context pstate override handling (CVE-2026-68273)

* kernel: Linux kernel IPVS: Denial of Service due to stale memory references (CVE-2026-80714)

* kernel: nvme-tcp: fix host memory disclosure on R2T for a read command (CVE-2026-89481)

Bug Fix(es) and Enhancement(s):

* Bypass DMA APIs for coherent allocations for pre-mapped memory [rhel-10.2.z] (JIRA:Rocky Linux-252331)

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.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 10 kernel 0:6.12.0-211.60.1.el10_2

Vulnerabilities 22

  • Critical 9.8

    libceph: fix potential use-after-free in have_mon_and_osd_map()

    In the Linux kernel, the following vulnerability has been resolved: libceph: fix potential use-after-free in have_mon_and_osd_map() The wait loop in __ceph_open_session() can race with the client receiving a new monmap or osdmap shortly after the initial map …

  • Critical 9.8

    libceph: prevent potential out-of-bounds reads in handle_auth_done()

    In the Linux kernel, the following vulnerability has been resolved: libceph: prevent potential out-of-bounds reads in handle_auth_done() Perform an explicit bounds check on payload_len to avoid a possible out-of-bounds access in the callout. [ idryomov: chang…

  • Critical 9.8

    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…

  • Critical 9.1

    libceph: make decode_pool() more resilient against corrupted osdmaps

    In the Linux kernel, the following vulnerability has been resolved: libceph: make decode_pool() more resilient against corrupted osdmaps If the osdmap is (maliciously) corrupted such that the encoded length of ceph_pg_pool envelope is less than what is expect…

  • High 8.8

    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,…

  • High 7.8

    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…

  • High 7.8

    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…

  • High 7.8

    af_unix: Drop all SCM attributes for SOCKMAP.

    In the Linux kernel, the following vulnerability has been resolved: af_unix: Drop all SCM attributes for SOCKMAP. SOCKMAP can hide inflight fd from AF_UNIX GC. When a socket in SOCKMAP receives skb with inflight fd, sk_psock_verdict_data_ready() looks up the …

  • High 7.8

    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…

  • High 7.8

    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(…

  • 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…

  • High 7.8

    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 …

  • High 7.8

    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…

  • High 7.8

    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…

  • High 7.5

    libceph: replace overzealous BUG_ON in osdmap_apply_incremental()

    In the Linux kernel, the following vulnerability has been resolved: libceph: replace overzealous BUG_ON in osdmap_apply_incremental() If the osdmap is (maliciously) corrupted such that the incremental osdmap epoch is different from what is expected, there is …

  • High 7.5

    libceph: reset sparse-read state in osd_fault()

    In the Linux kernel, the following vulnerability has been resolved: libceph: reset sparse-read state in osd_fault() When a fault occurs, the connection is abandoned, reestablished, and any pending operations are retried. The OSD client tracks the progress of …

  • High 7.5

    nvme-tcp: fix host memory disclosure on R2T for a read command

    In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix host memory disclosure on R2T for a read command nvme_tcp_handle_r2t() does not check the direction of the request the R2T refers to. A malicious controller can send an R2T for …

  • High 7.1

    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.

  • High 7.1

    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.

  • High 7.1

    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.

  • High 7.1

    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…

  • Unscored —

    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 …

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2419883
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2422801
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2429602
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2432389
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2432400
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2439852
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2482533
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2482543
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2482649
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2486470
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2492381
  • 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
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2532184
  • advisory
    https://access.redhat.com/errata/RHSA-2026:71602