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OpenAdvisories
Critical RHSA-2026:74132 4 CVEs

Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

Published Oct 1, 2026 · Updated Nov 13, 2026

Ecosystem: Red Hat

Fixed packages 28

ReleasePackageFixed in
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-core 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-core 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-debuginfo 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-devel 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-kvm 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-modules 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debug-modules-extra 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debuginfo 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-debuginfo-common-x86_64 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-devel 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-kvm 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-modules 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::nfv kernel-rt-modules-extra 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-core 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-core 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-debuginfo 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-devel 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-modules 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debug-modules-extra 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debuginfo 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-debuginfo-common-x86_64 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-devel 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-modules 0:4.18.0-553.170.1.rt7.511.el8_10
Red Hat · RHEL 8 enterprise_linux:8::realtime kernel-rt-modules-extra 0:4.18.0-553.170.1.rt7.511.el8_10

Vulnerabilities 4

  • Critical 9.8
    CVE-2026-64102

    RDMA/siw: Reject MPA FPDU length underflow before signed receive math

    In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Reject MPA FPDU length underflow before signed receive math A malicious connected siw peer can send an iWARP FPDU whose MPA length field (c_hdr->mpa_len, 16 bit big-endian, peer-con…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Critical 9.3
    CVE-2026-72329

    net/liquidio: drop cached VF pci_dev LUT

    In the Linux kernel, the following vulnerability has been resolved: net/liquidio: drop cached VF pci_dev LUT The PF SR-IOV enable path caches VF pci_dev pointers in dpiring_to_vfpcidev_lut[] by iterating with pci_get_device(). Those entries do not own a refer…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.5
    CVE-2026-68299

    vmxnet3: fix BUG_ON in vmxnet3_get_hdr_len() for Geneve packets

    In the Linux kernel, the following vulnerability has been resolved: vmxnet3: fix BUG_ON in vmxnet3_get_hdr_len() for Geneve packets vmxnet3_get_hdr_len() assumes gdesc->rcd.v4/v6/tcp always describe the outer header, but for a Geneve-encapsulated packet the d…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.1
    CVE-2026-72099

    dm-integrity: don't increment hash_offset twice

    In the Linux kernel, the following vulnerability has been resolved: dm-integrity: don't increment hash_offset twice hash_offset is already incremented in the loop "for (i = 0; i < to_copy; i++, ts--)". Do not increment it again.

    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=2502494
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2513356
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2516301
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2516445
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_74132.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-64102
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-64102
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-64102
  • article
    https://lore.kernel.org/linux-cve-announce/2026071920-CVE-2026-64102-dcb6@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-68299
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-68299
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-68299
  • article
    https://lore.kernel.org/linux-cve-announce/2026081029-CVE-2026-68299-d85c@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-72099
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-72099
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-72099
  • article
    https://lore.kernel.org/linux-cve-announce/2026081524-CVE-2026-72099-30c0@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-72329
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-72329
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-72329
  • article
    https://kernelcve.org/list/?q=CVE-2026-72329
  • article
    https://lore.kernel.org/linux-cve-announce/2026081508-CVE-2026-72329-c884@gregkh/T