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OpenAdvisories
Critical RHSA-2026:86033 17 CVEs

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

Published Nov 13, 2026 · Updated Nov 13, 2026

Ecosystem: Red Hat

Fixed packages 158

ReleasePackageFixed in
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-64k-debug-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-64k-debug-devel 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-64k-debug-devel-matched 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-64k-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-64k-devel 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-64k-devel-matched 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-debug-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-debug-devel 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-debug-devel-matched 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-debuginfo-common-aarch64 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-debuginfo-common-ppc64le 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-debuginfo-common-s390x 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-debuginfo-common-x86_64 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-devel 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-devel-matched 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-doc 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-rt-64k-debug-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-rt-64k-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-rt-debug-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-rt-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-tools-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-zfcpdump-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-zfcpdump-devel 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream kernel-zfcpdump-devel-matched 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream libperf-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream perf 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream perf-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream python3-perf 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream python3-perf-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream rtla 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream rv 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-64k 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-64k-core 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-64k-debug 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-64k-debug-core 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-64k-debug-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-64k-debug-modules 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-64k-debug-modules-core 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-64k-debug-modules-extra 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-64k-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-64k-modules 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-64k-modules-core 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-64k-modules-extra 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-abi-stablelists 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-core 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-debug 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-debug-core 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-debug-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-debug-modules 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-debug-modules-core 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-debug-modules-extra 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-debug-uki-virt 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-debuginfo-common-aarch64 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-debuginfo-common-ppc64le 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-debuginfo-common-s390x 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-debuginfo-common-x86_64 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-modules 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-modules-core 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-modules-extra 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-rt-64k-debug-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-rt-64k-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-rt-debug-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-rt-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-tools 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-tools-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-tools-libs 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-uki-virt 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-uki-virt-addons 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-zfcpdump 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-zfcpdump-core 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-zfcpdump-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-zfcpdump-modules 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-zfcpdump-modules-core 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos kernel-zfcpdump-modules-extra 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos libperf-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos perf-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos python3-perf-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::crb kernel-64k-debug-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::crb kernel-64k-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::crb kernel-debug-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::crb kernel-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::crb kernel-debuginfo-common-aarch64 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::crb kernel-debuginfo-common-ppc64le 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::crb kernel-debuginfo-common-s390x 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::crb kernel-debuginfo-common-x86_64 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::crb kernel-rt-64k-debug-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::crb kernel-rt-64k-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::crb kernel-rt-debug-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::crb kernel-rt-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::crb kernel-tools-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::crb kernel-tools-libs-devel 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::crb kernel-zfcpdump-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::crb libperf 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::crb libperf-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::crb perf-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::crb python3-perf-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::nfv kernel-debug-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::nfv kernel-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::nfv kernel-debuginfo-common-x86_64 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::nfv kernel-rt 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::nfv kernel-rt-core 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::nfv kernel-rt-debug 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::nfv kernel-rt-debug-core 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::nfv kernel-rt-debug-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::nfv kernel-rt-debug-devel 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::nfv kernel-rt-debug-modules 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::nfv kernel-rt-debug-modules-core 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::nfv kernel-rt-debug-modules-extra 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::nfv kernel-rt-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::nfv kernel-rt-devel 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::nfv kernel-rt-modules 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::nfv kernel-rt-modules-core 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::nfv kernel-rt-modules-extra 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::nfv kernel-tools-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::nfv libperf-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::nfv perf-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::nfv python3-perf-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-64k-debug-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-64k-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-debug-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-debuginfo-common-aarch64 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-debuginfo-common-x86_64 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-64k 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-64k-core 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-64k-debug 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-64k-debug-core 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-64k-debug-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-64k-debug-devel 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-64k-debug-modules 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-64k-debug-modules-core 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-64k-debug-modules-extra 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-64k-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-64k-devel 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-64k-modules 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-64k-modules-core 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-64k-modules-extra 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-core 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-debug 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-debug-core 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-debug-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-debug-devel 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-debug-modules 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-debug-modules-core 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-debug-modules-extra 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-devel 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-modules 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-modules-core 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-rt-modules-extra 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime kernel-tools-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime libperf-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime perf-debuginfo 0:5.14.0-687.59.1.el9_8
Red Hat · RHEL 9 enterprise_linux:9::realtime python3-perf-debuginfo 0:5.14.0-687.59.1.el9_8

Vulnerabilities 17

  • Critical 9.8
    CVE-2026-89633 Public exploit

    smb: client: fix OOB read/write from unvalidated DataOffset in coalesce_t2()

    In the Linux kernel, the following vulnerability has been resolved: smb: client: fix OOB read/write from unvalidated DataOffset in coalesce_t2() coalesce_t2() computes data pointers directly from server-supplied DataOffset fields with no validation against bu…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Critical 9.4
    CVE-2026-64024

    tcp: fix stale per-CPU tcp_tw_isn leak enabling ISN prediction

    In the Linux kernel, the following vulnerability has been resolved: tcp: fix stale per-CPU tcp_tw_isn leak enabling ISN prediction Blamed commit moved the TIME_WAIT-derived ISN from the skb control block to a per-CPU variable, assuming the value would always …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • 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
  • High 8.8
    CVE-2026-63974

    Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close Since hci_dev_close_sync() can now be called during the reset path, we should also set HCI_CMD_DRAIN_WORKQUEUE. This avoid…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 8.8
    CVE-2026-74509

    Bluetooth: hci_sync: Fix advertising data UAFs

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: Fix advertising data UAFs hci_find_adv_instance() returns an adv_info pointer that is valid only while hdev->lock is held. The advertising command-sync paths perform inst…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 8.6
    CVE-2026-80590

    inet: frags: strip GSO state from fragments before reassembly

    In the Linux kernel, the following vulnerability has been resolved: inet: frags: strip GSO state from fragments before reassembly A virtio_net_hdr (tun/tap, or AF_PACKET with PACKET_VNET_HDR) can mark an IPv4 or IPv6 fragment as GSO; nothing relates gso_type …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2026-31678

    openvswitch: defer tunnel netdev_put to RCU release

    In the Linux kernel, the following vulnerability has been resolved: openvswitch: defer tunnel netdev_put to RCU release ovs_netdev_tunnel_destroy() may run after NETDEV_UNREGISTER already detached the device. Dropping the netdev reference in destroy can race …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2026-52935

    xfrm: espintcp: do not reuse an in-progress partial send

    In the Linux kernel, the following vulnerability has been resolved: xfrm: espintcp: do not reuse an in-progress partial send espintcp keeps a single in-flight transmit in ctx->partial. Before building a new sk_msg, espintcp_sendmsg() first tries to flush that…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-64009

    xfrm: Check for underflow in xfrm_state_mtu

    In the Linux kernel, the following vulnerability has been resolved: xfrm: Check for underflow in xfrm_state_mtu Leo Lin reported OOB write issue in esp component: xfrm_state_mtu() returns u32 but performs its arithmetic in unsigned modulo-2^32 space using an …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-64032

    bridge: mcast: Fix a possible use-after-free when removing a bridge port

    In the Linux kernel, the following vulnerability has been resolved: bridge: mcast: Fix a possible use-after-free when removing a bridge port When per-VLAN multicast snooping is enabled, the bridge iterates over all the bridge ports, disables the per-port mult…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-64114

    ipv4: raw: reject IP_HDRINCL packets with ihl < 5

    In the Linux kernel, the following vulnerability has been resolved: ipv4: raw: reject IP_HDRINCL packets with ihl < 5 raw_send_hdrinc() validates that the caller-supplied IPv4 header fits within the message length: iphlen = iph->ihl * 4; err = -EINVAL; if (ip…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-93817

    perf: Fix addr_filter_ranges lifetime

    In the Linux kernel, the following vulnerability has been resolved: perf: Fix addr_filter_ranges lifetime Lee Jia Jie reported that since event::addr_filter_ranges is used under RCU, it should be RCU freed.

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2026-98260 Public exploit

    exec: Cleanup POSIX timers right after de_thread()

    In the Linux kernel, the following vulnerability has been resolved: exec: Cleanup POSIX timers right after de_thread() A per-thread CPU timer holds a reference to the PID of the thread it is attached to and, while it is armed, its node is queued in that threa…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2026-63899

    USB: serial: mxuport: fix memory corruption with small endpoint

    In the Linux kernel, the following vulnerability has been resolved: USB: serial: mxuport: fix memory corruption with small endpoint Make sure that the bulk-out endpoint max packet size is at least eight bytes to avoid user-controlled slab corruption should a …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2026-63956

    USB: serial: cypress_m8: fix memory corruption with small endpoint

    In the Linux kernel, the following vulnerability has been resolved: USB: serial: cypress_m8: fix memory corruption with small endpoint Make sure that the interrupt-out endpoint max packet size is at least eight bytes to avoid user-controlled slab corruption o…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2026-63962

    usb: typec: tcpm: bound altmode_desc[] per iteration in svdm_consume_modes()

    In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: bound altmode_desc[] per iteration in svdm_consume_modes() svdm_consume_modes() checks pmdata->altmodes against the array size once before the loop over the count, but forgo…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2026-64572

    ipv4: fib: free fib_alias with kfree_rcu() on insert error path

    In the Linux kernel, the following vulnerability has been resolved: ipv4: fib: free fib_alias with kfree_rcu() on insert error path fib_table_insert() publishes new_fa into the leaf's fa_list with fib_insert_alias() before calling the fib entry notifiers. Whe…

    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=2461761
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2492098
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2502325
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2502332
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2502333
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2502356
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2502462
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2502486
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2511413
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2516967
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2525413
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2532230
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2540391
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2540872
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2546491
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2553429
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_86033.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-31678
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-31678
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-31678
  • article
    https://lore.kernel.org/linux-cve-announce/2026042544-CVE-2026-31678-79f5@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-52935
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-52935
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-52935
  • article
    https://kernelcve.org/list/?q=CVE-2026-52935
  • article
    https://lore.kernel.org/linux-cve-announce/2026062433-CVE-2026-52935-7909@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-63899
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-63899
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-63899
  • article
    https://lore.kernel.org/linux-cve-announce/2026071943-CVE-2026-63899-cd10@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-63956
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2502377
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-63956
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-63956
  • article
    https://lore.kernel.org/linux-cve-announce/2026071956-CVE-2026-63956-0fee@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-63962
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-63962
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-63962