The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:83156 advisory.

    The kernel packages contain the Linux kernel, the core of any Linux operating system.

    Security Fix(es):

    * kernel: net/sched: act_ct: Only release RCU read lock after ct_ft (CVE-2026-46319)

    * kernel: net/sched: taprio: fix use-after-free in advance_sched() on schedule switch (CVE-2026-53011)

    * kernel: wifi: mac80211: bounds-check link_id in ieee80211_ml_epcs (CVE-2026-64030)

    * kernel: wifi: cfg80211: use wiphy work for socket owner autodisconnect (CVE-2026-68404)

    * kernel: Linux kernel: Denial of Service due to use-after-free in act_tunnel_key (CVE-2026-68377)

    * kernel: net/iucv: fix use-after-free of a severed iucv_path (CVE-2026-68140)

    * kernel: wifi: mac80211: defer link RX stats percpu free to RCU (CVE-2026-68409)

    * kernel: KVM: arm64: vgic: Handle race between interrupt affinity change and LPI disabling     (CVE-2026-72288)

    * kernel: ASoC: SOF: ipc3-control: Fix heap overflow in bytes_ext put/get (CVE-2026-72262)

    * kernel: netfilter: nft_lookup: fix catchall element handling with inverted lookups (CVE-2026-72320)

    * kernel: ALSA: usx2y: bound the hwdep mmap fault offset (CVE-2026-74641)

    * kernel: udp: fix potential use-after-free in tunnel segmentation (CVE-2026-74705)

    * kernel: net/smc: carry oversized SMC-Rv2 LLC messages in the queue entry (CVE-2026-80985)

    * kernel: svcrdma: Validate Read chunk positions before reconstruction (CVE-2026-89526)

    * kernel: net/iucv: filter frames in afiucv_hs_rcv() by ingress device (CVE-2026-81003)

    * kernel: NFSD: Prevent client use-after-free during blocked-lock reaping (CVE-2026-90036)

    * kernel: SUNRPC: Zero rpc_gss_wire_cred at svcauth_gss_decode_credbody() entry (CVE-2026-93207)

    * kernel: svcrdma: Reject Write/Reply chunks with segcount 0 (CVE-2026-93228)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

Analytics

RHEL 9 : kernel (RHSA-2026:83156)

critical Nessus Plugin ID 366029

Version 1.2

Version 1.1

Version 1.2 Nov 4, 2026, 6:52 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202611041852
Version 1.1 Oct 15, 2026, 12:51 PM New Plugin Feed: 202610151251