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OpenAdvisories
Critical RHSA-2025:12662 11 CVEs

Red Hat Security Advisory: kernel security update

Published Aug 5, 2025 · Updated Nov 13, 2026

Ecosystem: Red Hat

Fixed packages 91

ReleasePackageFixed in
Red Hat · RHEL 10 enterprise_linux:10.0 kernel 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-core 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug-core 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug-debuginfo 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug-devel 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug-devel-matched 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug-modules 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug-modules-core 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debug-modules-extra 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-debuginfo 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-devel 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-devel-matched 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-modules 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-modules-core 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-64k-modules-extra 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-abi-stablelists 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-core 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-core 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-debuginfo 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-devel 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-devel-matched 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-modules 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-modules-core 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-modules-extra 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debug-uki-virt 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debuginfo 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debuginfo-common-aarch64 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debuginfo-common-ppc64le 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debuginfo-common-s390x 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-debuginfo-common-x86_64 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-devel 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-devel-matched 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-doc 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-modules 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-modules-core 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-modules-extra 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-core 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debug 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debug-core 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debug-debuginfo 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debug-devel 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debug-modules 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debug-modules-core 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debug-modules-extra 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-debuginfo 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-devel 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-modules 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-modules-core 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-64k-modules-extra 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-core 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug-core 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug-debuginfo 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug-devel 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug-kvm 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug-modules 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug-modules-core 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debug-modules-extra 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-debuginfo 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-devel 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-kvm 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-modules 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-modules-core 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-rt-modules-extra 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-tools 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-tools-debuginfo 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-tools-libs 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-tools-libs-devel 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-uki-virt 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-uki-virt-addons 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump-core 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump-debuginfo 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump-devel 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump-devel-matched 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump-modules 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump-modules-core 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 kernel-zfcpdump-modules-extra 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 libperf 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 libperf-debuginfo 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 perf 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 perf-debuginfo 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 python3-perf 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 python3-perf-debuginfo 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 rtla 0:6.12.0-55.25.1.el10_0
Red Hat · RHEL 10 enterprise_linux:10.0 rv 0:6.12.0-55.25.1.el10_0

Vulnerabilities 11

  • Critical 9.8
    CVE-2025-38264

    nvme-tcp: sanitize request list handling

    In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: sanitize request list handling Validate the request in nvme_tcp_handle_r2t() to ensure it's not part of any list, otherwise a malicious R2T PDU might inject a loop in request list p…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 8.8
    CVE-2025-38052

    net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done

    In the Linux kernel, the following vulnerability has been resolved: net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done Syzbot reported a slab-use-after-free with the following call trace: =========================================================…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2025-21727

    padata: fix UAF in padata_reorder

    In the Linux kernel, the following vulnerability has been resolved: padata: fix UAF in padata_reorder A bug was found when run ltp test: BUG: KASAN: slab-use-after-free in padata_find_next+0x29/0x1a0 Read of size 4 at addr ffff88bbfe003524 by task kworker/u11…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-21928

    HID: intel-ish-hid: Fix use-after-free issue in ishtp_hid_remove()

    In the Linux kernel, the following vulnerability has been resolved: HID: intel-ish-hid: Fix use-after-free issue in ishtp_hid_remove() The system can experience a random crash a few minutes after the driver is removed. This issue occurs due to improper handli…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-21929

    HID: intel-ish-hid: Fix use-after-free issue in hid_ishtp_cl_remove()

    In the Linux kernel, the following vulnerability has been resolved: HID: intel-ish-hid: Fix use-after-free issue in hid_ishtp_cl_remove() During the `rmmod` operation for the `intel_ishtp_hid` driver, a use-after-free issue can occur in the hid_ishtp_cl_remov…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-22020

    memstick: rtsx_usb_ms: Fix slab-use-after-free in rtsx_usb_ms_drv_remove

    In the Linux kernel, the following vulnerability has been resolved: memstick: rtsx_usb_ms: Fix slab-use-after-free in rtsx_usb_ms_drv_remove This fixes the following crash: ================================================================== BUG: KASAN: slab-us…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-22085

    RDMA/core: Fix use-after-free when rename device name

    In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix use-after-free when rename device name Syzbot reported a slab-use-after-free with the following call trace: ================================================================== B…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-37890

    net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc

    In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc As described in Gerrard's report [1], we have a UAF case when an hfsc class has a netem child qdisc. The crux of th…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-38087

    net/sched: fix use-after-free in taprio_dev_notifier

    In the Linux kernel, the following vulnerability has been resolved: net/sched: fix use-after-free in taprio_dev_notifier Since taprio’s taprio_dev_notifier() isn’t protected by an RCU read-side critical section, a race with advance_sched() can lead to a use-a…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2025-22113

    ext4: avoid journaling sb update on error if journal is destroying

    In the Linux kernel, the following vulnerability has been resolved: ext4: avoid journaling sb update on error if journal is destroying Presently we always BUG_ON if trying to start a transaction on a journal marked with JBD2_UNMOUNT, since this should never h…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2025-38086

    net: ch9200: fix uninitialised access during mii_nway_restart

    In the Linux kernel, the following vulnerability has been resolved: net: ch9200: fix uninitialised access during mii_nway_restart In mii_nway_restart() the code attempts to call mii->mdio_read which is ch9200_mdio_read(). ch9200_mdio_read() utilises a local b…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2348516
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2356592
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2356594
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2360099
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2360212
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2360219
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2366848
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2373380
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2375305
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2375531
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2378996
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_12662.json
  • report
    https://access.redhat.com/security/cve/CVE-2025-21727
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-21727
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-21727
  • article
    https://lore.kernel.org/linux-cve-announce/2025022648-CVE-2025-21727-b034@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-21928
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-21928
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-21928
  • article
    https://lore.kernel.org/linux-cve-announce/2025040133-CVE-2025-21928-e444@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-21929
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-21929
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-21929
  • article
    https://lore.kernel.org/linux-cve-announce/2025040133-CVE-2025-21929-bf29@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-22020
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-22020
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-22020
  • article
    https://lore.kernel.org/linux-cve-announce/2025041642-CVE-2025-22020-70e8@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-22085
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-22085
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-22085
  • article
    https://lore.kernel.org/linux-cve-announce/2025041615-CVE-2025-22085-d167@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-22113
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-22113
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-22113
  • article
    https://lore.kernel.org/linux-cve-announce/2025041625-CVE-2025-22113-34cd@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-37890
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-37890