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High RHSA-2026:81451 4 CVEs

Red Hat Security Advisory: kpatch-patch-5_14_0-570_116_1, kpatch-patch-5_14_0-570_135_1, kpatch-patch-5_14_0-570_39_1, kpatch-patch-5_14_0-570_66_1, and kpatch-patch-5_14_0-570_94_1 security update

Published Oct 14, 2026 · Updated Oct 14, 2026

Ecosystem: Red Hat

Fixed packages 15

ReleasePackageFixed in
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_116_1 0:1-11.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_116_1-debuginfo 0:1-11.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_116_1-debugsource 0:1-11.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_135_1 0:1-2.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_135_1-debuginfo 0:1-2.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_135_1-debugsource 0:1-2.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_39_1 0:1-17.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_39_1-debuginfo 0:1-17.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_39_1-debugsource 0:1-17.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_66_1 0:1-16.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_66_1-debuginfo 0:1-16.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_66_1-debugsource 0:1-16.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_94_1 0:1-14.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_94_1-debuginfo 0:1-14.el9_6
Red Hat · RHEL 9.6 EUS rhel_eus:9.6::baseos kpatch-patch-5_14_0-570_94_1-debugsource 0:1-14.el9_6

Vulnerabilities 4

  • High 7.8
    CVE-2026-46176

    RDMA/mlx5: Fix error path fall-through in mlx5_ib_dev_res_srq_init()

    In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix error path fall-through in mlx5_ib_dev_res_srq_init() mlx5_ib_dev_res_srq_init() allocates two SRQs, s0 and s1. When ib_create_srq() fails for s1, the error branch destroys s0 …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2026-46181

    RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event()

    In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event() Sashiko points out the radix_tree itself is RCU safe, but nothing ever frees the mlx4_srq struct with RCU, and it isn't even accessed within …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2026-52933

    io_uring/poll: fix signed comparison in io_poll_get_ownership()

    In the Linux kernel, the following vulnerability has been resolved: io_uring/poll: fix signed comparison in io_poll_get_ownership() io_poll_get_ownership() uses a signed comparison to check whether poll_refs has reached the threshold for the slowpath: if (unl…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-64002

    ipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table()

    In the Linux kernel, the following vulnerability has been resolved: ipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table() ipv4_sysctl_exit_net() is currently freeing net->ipv4.sysctl_local_reserved_ports too soon. Only after unr…

    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=2482532
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2482594
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2492097
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2502363
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_81451.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-46176
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-46176
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-46176
  • article
    https://lore.kernel.org/linux-cve-announce/2026052828-CVE-2026-46176-a4db@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-46181
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-46181
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-46181
  • article
    https://lore.kernel.org/linux-cve-announce/2026052829-CVE-2026-46181-ecff@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-52933
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-52933
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-52933
  • article
    https://lore.kernel.org/linux-cve-announce/2026062433-CVE-2026-52933-815c@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-64002
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-64002
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-64002
  • article
    https://lore.kernel.org/linux-cve-announce/2026071907-CVE-2026-64002-b8fe@gregkh/T