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OpenAdvisories
High RHSA-2025:22914 7 CVEs

Red Hat Security Advisory: kernel-rt security update

Published Dec 10, 2025 · Updated Aug 7, 2026

Fixed packages 11

ReleasePackageFixed in
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt 0:3.10.0-1160.143.1.rt56.1295.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-debug 0:3.10.0-1160.143.1.rt56.1295.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-debug-debuginfo 0:3.10.0-1160.143.1.rt56.1295.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-debug-devel 0:3.10.0-1160.143.1.rt56.1295.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-debuginfo 0:3.10.0-1160.143.1.rt56.1295.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-debuginfo-common-x86_64 0:3.10.0-1160.143.1.rt56.1295.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-devel 0:3.10.0-1160.143.1.rt56.1295.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-doc 0:3.10.0-1160.143.1.rt56.1295.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-trace 0:3.10.0-1160.143.1.rt56.1295.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-trace-debuginfo 0:3.10.0-1160.143.1.rt56.1295.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-trace-devel 0:3.10.0-1160.143.1.rt56.1295.el7

Vulnerabilities 7

  • High 8.8

    Bluetooth: L2CAP: Fix user-after-free

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix user-after-free This uses l2cap_chan_hold_unless_zero() after calling __l2cap_get_chan_blah() to prevent the following trace: Bluetooth: l2cap_core.c:static void l2cap_c…

  • High 8.8

    Bluetooth: L2CAP: Fix use-after-free

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free Fix potential use-after-free in l2cap_le_command_rej.

  • High 7.8

    cifs: fix oops during encryption

    In the Linux kernel, the following vulnerability has been resolved: cifs: fix oops during encryption When running xfstests against Azure the following oops occurred on an arm64 system Unable to handle kernel write to read-only memory at virtual address ffff00…

  • High 7.8

    wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit()

    In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit() > ret = brcmf_proto_tx_queue_data(drvr, ifp->ifidx, skb); may be schedule, and then complete before the line > ndev->stats.…

  • High 7.8

    sctp: linearize cloned gso packets in sctp_rcv

    In the Linux kernel, the following vulnerability has been resolved: sctp: linearize cloned gso packets in sctp_rcv A cloned head skb still shares these frag skbs in fraglist with the original head skb. It's not safe to access these frag skbs. syzbot reported …

  • Medium 5.5

    Linux Kernel Bluetooth l2cap_core.c l2cap_conn_del use after free

    A vulnerability, which was classified as critical, was found in Linux Kernel. Affected is the function l2cap_conn_del of the file net/bluetooth/l2cap_core.c of the component Bluetooth. The manipulation leads to use after free. It is recommended to apply a pat…

  • Medium 5.5

    ip6mr: Fix skb_under_panic in ip6mr_cache_report()

    In the Linux kernel, the following vulnerability has been resolved: ip6mr: Fix skb_under_panic in ip6mr_cache_report() skbuff: skb_under_panic: text:ffffffff88771f69 len:56 put:-4 head:ffff88805f86a800 data:ffff887f5f86a850 tail:0x88 end:0x2c0 dev:pim6reg ---…

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2139610
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2393166
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2395858
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2395879
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2396130
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2396431
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2396506
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_22914.json
  • report
    https://access.redhat.com/security/cve/CVE-2022-3640
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2022-3640
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2022-3640
  • article
    https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=42cf46dea905a80f6de218e837ba4d4cc33d6979
  • report
    https://access.redhat.com/security/cve/CVE-2022-50341
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2022-50341
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2022-50341
  • article
    https://lore.kernel.org/linux-cve-announce/2025091638-CVE-2022-50341-12c1@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2022-50386
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2022-50386
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2022-50386
  • article
    https://lore.kernel.org/linux-cve-announce/2025091852-CVE-2022-50386-07d7@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2022-50408
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2022-50408
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2022-50408
  • article
    https://lore.kernel.org/linux-cve-announce/2025091853-CVE-2022-50408-5835@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2023-53305
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-53305
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-53305
  • article
    https://lore.kernel.org/linux-cve-announce/2025091641-CVE-2023-53305-b8fe@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2023-53365
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-53365
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-53365
  • article
    https://lore.kernel.org/linux-cve-announce/2025091723-CVE-2023-53365-acb1@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-38718
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-38718
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-38718
  • article
    https://lore.kernel.org/linux-cve-announce/2025090459-CVE-2025-38718-5bb6@gregkh/T