Rocky Linux 9 [CIQ] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (crlsa-2026_86033)

critical Nessus Plugin ID 370349

Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_86033 advisory.

* kernel: openvswitch: defer tunnel netdev_put to RCU release (CVE-2026-31678)

* kernel: xfrm: espintcp: do not reuse an in-progress partial send (CVE-2026-52935)

* kernel: USB: serial: mxuport: fix memory corruption with small endpoint (CVE-2026-63899)

* kernel: bridge: mcast: Fix a possible use-after-free when removing a bridge port (CVE-2026-64032)

* kernel: tcp: fix stale per-CPU tcp_tw_isn leak enabling ISN prediction (CVE-2026-64024)

* kernel: usb: typec: tcpm: bound altmode_desc[] per iteration in svdm_consume_modes() (CVE-2026-63962)

* kernel: Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close (CVE-2026-63974)

* kernel: ipv4: raw: reject IP_HDRINCL packets with ihl < 5 (CVE-2026-64114)

* kernel: ipv4: fib: free fib_alias with kfree_rcu() on insert error path (CVE-2026-64572)

* kernel: Bluetooth: hci_sync: Fix advertising data UAFs (CVE-2026-74509)

* kernel: Linux kernel: Denial of Service due to incorrect GSO state handling in network fragment reassembly (CVE-2026-80590)

* kernel: smb: client: fix OOB read/write from unvalidated DataOffset in coalesce_t2() (CVE-2026-89633)

* kernel: perf: Fix addr_filter_ranges lifetime (CVE-2026-93817)

* kernel: kernel: strparser: use-after-free via msg_timer_work rearm after strp_done() cancellation ()

* kernel: exec: Cleanup POSIX timers right after de_thread() (CVE-2026-98260)

* kernel: ipv4: validate checksum_start before completing checksum (CVE-2026-99999)

Bug Fix(es) and Enhancement(s):

* Batch: z-stream xfrm - rhel-9.8.z (NST-Core-26W38) (JIRA:Rocky Linux-256697)

Tenable has extracted the preceding description block directly from the CIQ 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 based on the guidance in CIQ advisory crlsa-2026_86033.

See Also

https://access.redhat.com/errata/RHSA-2026:86033

https://bugzilla.redhat.com/show_bug.cgi?id=2461761

https://bugzilla.redhat.com/show_bug.cgi?id=2492098

https://bugzilla.redhat.com/show_bug.cgi?id=2502325

https://bugzilla.redhat.com/show_bug.cgi?id=2502332

https://bugzilla.redhat.com/show_bug.cgi?id=2502333

https://bugzilla.redhat.com/show_bug.cgi?id=2502356

https://bugzilla.redhat.com/show_bug.cgi?id=2502462

https://bugzilla.redhat.com/show_bug.cgi?id=2502486

https://bugzilla.redhat.com/show_bug.cgi?id=2511413

https://bugzilla.redhat.com/show_bug.cgi?id=2516967

https://bugzilla.redhat.com/show_bug.cgi?id=2525413

https://bugzilla.redhat.com/show_bug.cgi?id=2532230

https://bugzilla.redhat.com/show_bug.cgi?id=2540391

https://bugzilla.redhat.com/show_bug.cgi?id=2546491

https://bugzilla.redhat.com/show_bug.cgi?id=2553429

https://errata.build.resf.org/RLSA-2026:86033

http://www.nessus.org/u?0c2112c3

http://www.nessus.org/u?7c27ee05

Plugin Details

Severity: Critical

ID: 370349

File Name: ciq_rocky_linux_9_crlsa-2026_86033.nasl

Version: 1.1

Type: Local

Published: 10/22/2026

Updated: 10/22/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8

Percentile: 99.7

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2026-89633

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/OS/extended-third-party

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/22/2026

Vulnerability Publication Date: 4/23/2026

Reference Information

CVE: CVE-2026-31678, CVE-2026-52935, CVE-2026-63899, CVE-2026-63962, CVE-2026-63974, CVE-2026-64024, CVE-2026-64032, CVE-2026-64114, CVE-2026-64572, CVE-2026-74509, CVE-2026-80590, CVE-2026-89633, CVE-2026-93817, CVE-2026-98260, CVE-2026-99999