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OpenAdvisories
Critical RHSA-2025:22854 9 CVEs

Red Hat Security Advisory: kernel security update

Published Dec 9, 2025 · Updated Jul 30, 2026

Ecosystem: Red Hat

Fixed packages 90

ReleasePackageFixed in
Red Hat · RHEL 10 enterprise_linux:10.1 kernel 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-64k 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-64k-core 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-64k-debug 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-64k-debug-core 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-64k-debug-debuginfo 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-64k-debug-devel 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-64k-debug-devel-matched 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-64k-debug-modules 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-64k-debug-modules-core 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-64k-debug-modules-extra 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-64k-debuginfo 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-64k-devel 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-64k-devel-matched 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-64k-modules 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-64k-modules-core 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-64k-modules-extra 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-abi-stablelists 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-core 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-debug 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-debug-core 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-debug-debuginfo 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-debug-devel 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-debug-devel-matched 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-debug-modules 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-debug-modules-core 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-debug-modules-extra 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-debug-uki-virt 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-debuginfo 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-debuginfo-common-aarch64 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-debuginfo-common-ppc64le 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-debuginfo-common-s390x 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-debuginfo-common-x86_64 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-devel 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-devel-matched 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-doc 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-modules 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-modules-core 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-modules-extra 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-modules-extra-matched 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-64k 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-64k-core 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-64k-debug 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-64k-debug-core 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-64k-debug-debuginfo 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-64k-debug-devel 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-64k-debug-modules 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-64k-debug-modules-core 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-64k-debug-modules-extra 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-64k-debuginfo 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-64k-devel 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-64k-modules 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-64k-modules-core 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-64k-modules-extra 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-core 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-debug 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-debug-core 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-debug-debuginfo 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-debug-devel 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-debug-modules 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-debug-modules-core 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-debug-modules-extra 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-debuginfo 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-devel 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-modules 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-modules-core 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-rt-modules-extra 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-tools 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-tools-debuginfo 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-tools-libs 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-tools-libs-devel 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-uki-virt 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-uki-virt-addons 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-zfcpdump 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-zfcpdump-core 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-zfcpdump-debuginfo 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-zfcpdump-devel 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-zfcpdump-devel-matched 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-zfcpdump-modules 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-zfcpdump-modules-core 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 kernel-zfcpdump-modules-extra 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 libperf 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 libperf-debuginfo 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 perf 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 perf-debuginfo 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 python3-perf 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 python3-perf-debuginfo 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 rtla 0:6.12.0-124.20.1.el10_1
Red Hat · RHEL 10 enterprise_linux:10.1 rv 0:6.12.0-124.20.1.el10_1

Vulnerabilities 9

  • Critical 9.8
    CVE-2025-38737

    cifs: Fix oops due to uninitialised variable

    In the Linux kernel, the following vulnerability has been resolved: cifs: Fix oops due to uninitialised variable Fix smb3_init_transform_rq() to initialise buffer to NULL before calling netfs_alloc_folioq_buffer() as netfs assumes it can append to the buffer …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 8.8
    CVE-2025-39982

    Bluetooth: hci_event: Fix UAF in hci_acl_create_conn_sync

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_event: Fix UAF in hci_acl_create_conn_sync This fixes the following UFA in hci_acl_create_conn_sync where a connection still pending is command submission (conn->state == BT_OP…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 8.8
    CVE-2025-39983

    Bluetooth: hci_event: Fix UAF in hci_conn_tx_dequeue

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_event: Fix UAF in hci_conn_tx_dequeue This fixes the following UAF caused by not properly locking hdev when processing HCI_EV_NUM_COMP_PKTS: BUG: KASAN: slab-use-after-free in …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 8.8
    CVE-2025-40058

    iommu/vt-d: Disallow dirty tracking if incoherent page walk

    In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Disallow dirty tracking if incoherent page walk Dirty page tracking relies on the IOMMU atomically updating the dirty bit in the paging-structure entry. For this operation to succ…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-39979

    net/mlx5: fs, fix UAF in flow counter release

    In the Linux kernel, the following vulnerability has been resolved: net/mlx5: fs, fix UAF in flow counter release Fix a kernel trace [1] caused by releasing an HWS action of a local flow counter in mlx5_cmd_hws_delete_fte(), where the HWS action refcount and …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-39981

    Bluetooth: MGMT: Fix possible UAFs

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Fix possible UAFs This attemps to fix possible UAFs caused by struct mgmt_pending being freed while still being processed like in the following trace, in order to fix mgmt_pe…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2025-40047

    io_uring/waitid: always prune wait queue entry in io_waitid_wait()

    In the Linux kernel, the following vulnerability has been resolved: io_uring/waitid: always prune wait queue entry in io_waitid_wait() For a successful return, always remove our entry from the wait queue entry list. Previously this was skipped if a cancelatio…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Medium 5.5
    CVE-2025-39925

    can: j1939: implement NETDEV_UNREGISTER notification handler

    In the Linux kernel, the following vulnerability has been resolved: can: j1939: implement NETDEV_UNREGISTER notification handler syzbot is reporting unregister_netdevice: waiting for vcan0 to become free. Usage count = 2 problem, for j1939 protocol did not ha…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2025-40185

    ice: ice_adapter: release xa entry on adapter allocation failure

    In the Linux kernel, the following vulnerability has been resolved: ice: ice_adapter: release xa entry on adapter allocation failure When ice_adapter_new() fails, the reserved XArray entry created by xa_insert() is not released. This causes subsequent inserti…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2393527
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2400629
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2404100
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2404105
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2404109
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2404117
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2406758
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2406776
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2414741
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_22854.json
  • report
    https://access.redhat.com/security/cve/CVE-2025-38737
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-38737
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-38737
  • article
    https://lore.kernel.org/linux-cve-announce/2025090544-CVE-2025-38737-4cde@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-39925
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-39925
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-39925
  • article
    https://lore.kernel.org/linux-cve-announce/2025100124-CVE-2025-39925-bcec@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-39979
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-39979
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-39979
  • article
    https://lore.kernel.org/linux-cve-announce/2025101559-CVE-2025-39979-f1e9@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-39981
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-39981
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-39981
  • article
    https://lore.kernel.org/linux-cve-announce/2025101559-CVE-2025-39981-fe1d@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-39982
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-39982
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-39982
  • article
    https://lore.kernel.org/linux-cve-announce/2025101559-CVE-2025-39982-a36e@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-39983
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-39983
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-39983
  • article
    https://lore.kernel.org/linux-cve-announce/2025101500-CVE-2025-39983-eb8b@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-40047
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-40047
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-40047
  • article
    https://lore.kernel.org/linux-cve-announce/2025102813-CVE-2025-40047-b952@gregkh/T