RHEL 9 : kernel (RHSA-2026:98239)

high Nessus Plugin ID 378724

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:98239 advisory.

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

Security Fix(es):

* kernel: drm/amdkfd: Fix out-of-bounds write in kfd_event_page_set() (CVE-2026-43206)

* kernel: drm/amdkfd: Fix watch_id bounds checking in debug address watch v2 (CVE-2026-45878)

* kernel: procfs: fix missing RCU protection when reading real_parent in do_task_stat() (CVE-2026-46259)

* kernel: netfilter: nf_queue: hold bridge skb->dev while queued (CVE-2026-52912)

* kernel: drm/amdkfd: Fix buffer overflow in SDMA queue checkpoint/restore on GFX11 (CVE-2026-53143)

* kernel: drm/amd/display: Clamp VBIOS HDMI retimer register count to array size (CVE-2026-53136)

* kernel: Bluetooth: RFCOMM: validate skb length in MCC handlers (CVE-2026-53254)

* kernel: drm/amd/display: Use krealloc_array() in dal_vector_reserve() (CVE-2026-53329)

* kernel: drm/i915/gem: Fix phys BO pread/pwrite with offset (CVE-2026-53356)

* kernel: drm/amdgpu: zero-initialize GART table on allocation (CVE-2026-53374)

* kernel: net: ip_gre: require CAP_NET_ADMIN in the device netns for changelink (CVE-2026-63829)

* kernel: scsi: scsi_transport_fc: Widen FPIN pname walker counter to u32 (CVE-2026-63889)

* kernel: drm/i915: Fix potential UAF in TTM object purge (CVE-2026-63884)

* kernel: tunnels: do not assume transport header in iptunnel_pmtud_check_icmp() (CVE-2026-63992)

* kernel: tunnels: load network headers after skb_cow() in iptunnel_pmtud_build_icmp[v6]() (CVE-2026-63994)

* kernel: drm/amdgpu: fix amdgpu_hmm_range_get_pages (CVE-2026-63879)

* kernel: drm/amd/display: Validate payload length and link_index in dc_process_dmub_aux_transfer_async (CVE-2026-64219)

* kernel: Linux kernel: libceph stack out-of-bounds write via crafted OSDMap (CVE-2026-68159)

* kernel: Linux kernel: libceph null pointer dereference leads to denial of service (CVE-2026-68157)

* kernel: libceph: refresh auth->authorizer_buf{,_len} after authorizer update (CVE-2026-68156)

* kernel: Linux kernel (libceph): Denial of Service due to malformed monitor maps (CVE-2026-68155)

* kernel: vxlan: require CAP_NET_ADMIN in the device netns for changelink (CVE-2026-68432)

* kernel: ipvs: reload ip header after head reallocation (CVE-2026-68476)

* kernel: net: ip6_gre: require CAP_NET_ADMIN in the device netns for changelink (CVE-2026-72052)

* kernel: netfilter: nf_queue: pin bridge device while NFQUEUE holds fake dst (CVE-2026-72255)

* kernel: netfilter: nf_conntrack_sip: widen NAT rewrite delta to s32 in sip_help_tcp() (CVE-2026-74569)

* kernel: ipvs: clear IPv4 options after rebasing tunnel ICMP errors (CVE-2026-74669)

* kernel: ipvs: do not propagate one-packet flag to synced conns (CVE-2026-80714)

* kernel: nvme-tcp: fix host memory disclosure on R2T for a read command (CVE-2026-89481)

* kernel: nvme: add missing SRCU grace period in error path (CVE-2026-89972)

* kernel: nvme/ioctl: check SUBMIT_IO with nvme_cmd_allowed() (CVE-2026-90227)

* kernel: netfilter: nf_conntrack: use get_unaligned_be32() in tcp_sack() (CVE-2026-97417)

Bug Fix(es) and Enhancement(s):

* kernel panic in percpu_counter_add_batch() via submit_bio_noacct() due to NULL pointer [rhel-9.6.z] (JIRA:RHEL-279598)

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.

Solution

Update the affected packages.

Plugin Details

Severity: High

ID: 378724

File Name: redhat-RHSA-2026-98239.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 11/11/2026

Updated: 11/11/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.7

Percentile: 98.94

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2026-53143

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:rhel_eus:9.6, p-cpe:/a:redhat:enterprise_linux:kernel-64k-core, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug, p-cpe:/a:redhat:enterprise_linux:kernel-64k-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-64k-devel, p-cpe:/a:redhat:enterprise_linux:kernel-64k-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-64k-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-64k-modules, p-cpe:/a:redhat:enterprise_linux:kernel-64k, p-cpe:/a:redhat:enterprise_linux:kernel-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-debug-uki-virt, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:kernel-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-debug-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-debug, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k, p-cpe:/a:redhat:enterprise_linux:kernel-rt-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug, p-cpe:/a:redhat:enterprise_linux:kernel-rt-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-uki-virt-addons, p-cpe:/a:redhat:enterprise_linux:kernel-uki-virt, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-core, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:libperf, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:python3-perf, p-cpe:/a:redhat:enterprise_linux:rtla, p-cpe:/a:redhat:enterprise_linux:rv

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 11/11/2026

Vulnerability Publication Date: 3/12/2026

Reference Information

CVE: CVE-2026-43206, CVE-2026-45878, CVE-2026-46259, CVE-2026-52912, CVE-2026-53136, CVE-2026-53143, CVE-2026-53254, CVE-2026-53329, CVE-2026-53356, CVE-2026-53374, CVE-2026-63829, CVE-2026-63879, CVE-2026-63884, CVE-2026-63889, CVE-2026-63992, CVE-2026-63994, CVE-2026-64219, CVE-2026-68155, CVE-2026-68156, CVE-2026-68157, CVE-2026-68159, CVE-2026-68432, CVE-2026-68476, CVE-2026-72052, CVE-2026-72255, CVE-2026-74569, CVE-2026-74669, CVE-2026-80714, CVE-2026-89481, CVE-2026-89972, CVE-2026-90227, CVE-2026-97417

CWE: 120, 125, 1284, 131, 201, 266, 366, 476, 617, 681, 787, 805, 820, 823, 824, 825, 835, 843, 911

RHSA: 2026:98239

Detections

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