Skip to content
OpenAdvisories
Critical RHSA-2026:88204 1 CVE

Red Hat Security Advisory: kernel-rt security update

Published Nov 13, 2026 · Updated Nov 13, 2026

Ecosystem: Red Hat

Fixed packages 11

ReleasePackageFixed in
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt 0:3.10.0-1160.167.2.rt56.1320.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-debug 0:3.10.0-1160.167.2.rt56.1320.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-debug-debuginfo 0:3.10.0-1160.167.2.rt56.1320.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-debug-devel 0:3.10.0-1160.167.2.rt56.1320.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-debuginfo 0:3.10.0-1160.167.2.rt56.1320.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-debuginfo-common-x86_64 0:3.10.0-1160.167.2.rt56.1320.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-devel 0:3.10.0-1160.167.2.rt56.1320.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-doc 0:3.10.0-1160.167.2.rt56.1320.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-trace 0:3.10.0-1160.167.2.rt56.1320.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-trace-debuginfo 0:3.10.0-1160.167.2.rt56.1320.el7
Red Hat · Rhel Extras Rt Els 7 rhel_extras_rt_els:7 kernel-rt-trace-devel 0:3.10.0-1160.167.2.rt56.1320.el7

Vulnerabilities 1

  • Critical 9.3
    CVE-2026-99999 Public exploit

    ipv4: validate checksum_start before completing checksum

    In the Linux kernel, the following vulnerability has been resolved: ipv4: validate checksum_start before completing checksum If a packet with bad checksum metadata gets into the ipv4 stack, skb_checksum_help can corrupt the network header and cause a bunch of…

    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=2553429
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_88204.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-99999
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-99999
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-99999
  • article
    https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-99999.mbox