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OpenAdvisories
Critical RHSA-2026:0754 4 CVEs

Red Hat Security Advisory: kernel-rt security update

Published Jan 19, 2026 · Updated Sep 25, 2026

Ecosystem: Red Hat

Fixed packages 11

ReleasePackageFixed in
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt 0:3.10.0-1160.145.1.rt56.1297.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-debug 0:3.10.0-1160.145.1.rt56.1297.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-debug-debuginfo 0:3.10.0-1160.145.1.rt56.1297.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-debug-devel 0:3.10.0-1160.145.1.rt56.1297.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-debuginfo 0:3.10.0-1160.145.1.rt56.1297.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-debuginfo-common-x86_64 0:3.10.0-1160.145.1.rt56.1297.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-devel 0:3.10.0-1160.145.1.rt56.1297.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-doc 0:3.10.0-1160.145.1.rt56.1297.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-trace 0:3.10.0-1160.145.1.rt56.1297.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-trace-debuginfo 0:3.10.0-1160.145.1.rt56.1297.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-trace-devel 0:3.10.0-1160.145.1.rt56.1297.el7

Vulnerabilities 4

  • Critical 9.8
    CVE-2025-68285

    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 …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 8.8
    CVE-2023-53675

    scsi: ses: Fix possible desc_ptr out-of-bounds accesses

    In the Linux kernel, the following vulnerability has been resolved: scsi: ses: Fix possible desc_ptr out-of-bounds accesses Sanitize possible desc_ptr out-of-bounds accesses in ses_enclosure_data_process().

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 8.2
    CVE-2023-53705

    ipv6: Fix out-of-bounds access in ipv6_find_tlv()

    In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix out-of-bounds access in ipv6_find_tlv() optlen is fetched without checking whether there is more than one byte to parse. It can lead to out-of-bounds access. Found by InfoTeCS on be…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-37823

    net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too

    In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too Similarly to the previous patch, we need to safe guard hfsc_dequeue() too. But for this one, we don't have a reliable reproducer.

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2365024
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2402293
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2405713
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2422801
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_0754.json
  • report
    https://access.redhat.com/security/cve/CVE-2023-53675
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-53675
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-53675
  • article
    https://lore.kernel.org/linux-cve-announce/2025100707-CVE-2023-53675-e7ac@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2023-53705
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-53705
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-53705
  • article
    https://lore.kernel.org/linux-cve-announce/2025102212-CVE-2023-53705-38d9@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-37823
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-37823
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-37823
  • article
    https://lore.kernel.org/linux-cve-announce/2025050821-CVE-2025-37823-d739@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-68285
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-68285
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-68285
  • article
    https://lore.kernel.org/linux-cve-announce/2025121638-CVE-2025-68285-8339@gregkh/T