RockyLinux 8 : kernel (RLSA-2026:95212)

critical Nessus Plugin ID 376447

Synopsis

The remote RockyLinux host is missing one or more security updates.

Description

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:95212 advisory.

* kernel: sctp: stream: fully roll back denied add-stream state (CVE-2026-52929)

* kernel: net/smc: fix UAF in smc_cdc_rx_handler() by pinning the socket (CVE-2026-64541)

* kernel: sctp: clear new_transport when removing a peer (CVE-2026-74586)

* kernel: RDMA/rxe: Fix responder UAF on IB_QP_MAX_DEST_RD_ATOMIC modify_qp (CVE-2026-80864)

* kernel: RDMA/rxe: Fix OOB in free_rd_atomic_resources() (CVE-2026-80863)

* kernel: openvswitch: Fix CT limit teardown use-after-free (CVE-2026-89488)

Bug Fix(es) and Enhancement(s):

* Rocky Linux8.10 - s390/smp: Remove conditional emergency signal usage (JIRA:Rocky Linux-298849)

Tenable has extracted the preceding description block directly from the RockyLinux 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.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=2492108

https://bugzilla.redhat.com/show_bug.cgi?id=2507721

https://bugzilla.redhat.com/show_bug.cgi?id=2521419

https://bugzilla.redhat.com/show_bug.cgi?id=2528646

https://bugzilla.redhat.com/show_bug.cgi?id=2528665

https://bugzilla.redhat.com/show_bug.cgi?id=2532407

https://errata.rockylinux.org/RLSA-2026:95212

Plugin Details

Severity: Critical

ID: 376447

File Name: rocky_linux_RLSA-2026-95212.nasl

Version: 1.1

Type: Local

Published: 11/5/2026

Updated: 11/5/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.6

Percentile: 98.26

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-2026-74586

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

CPE: cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:bpftool-debuginfo, p-cpe:/a:rocky:linux:bpftool, p-cpe:/a:rocky:linux:kernel-abi-stablelists, p-cpe:/a:rocky:linux:kernel-core, p-cpe:/a:rocky:linux:kernel-debug-core, p-cpe:/a:rocky:linux:kernel-debug-debuginfo, p-cpe:/a:rocky:linux:kernel-debug-devel, p-cpe:/a:rocky:linux:kernel-debug-modules-extra, p-cpe:/a:rocky:linux:kernel-debug-modules, p-cpe:/a:rocky:linux:kernel-debug, p-cpe:/a:rocky:linux:kernel-debuginfo-common-aarch64, p-cpe:/a:rocky:linux:kernel-debuginfo-common-x86_64, p-cpe:/a:rocky:linux:kernel-debuginfo, p-cpe:/a:rocky:linux:kernel-devel, p-cpe:/a:rocky:linux:kernel-modules-extra, p-cpe:/a:rocky:linux:kernel-modules, p-cpe:/a:rocky:linux:kernel-tools-debuginfo, p-cpe:/a:rocky:linux:kernel-tools-libs-devel, p-cpe:/a:rocky:linux:kernel-tools-libs, p-cpe:/a:rocky:linux:kernel-tools, p-cpe:/a:rocky:linux:kernel, p-cpe:/a:rocky:linux:perf-debuginfo, p-cpe:/a:rocky:linux:perf, p-cpe:/a:rocky:linux:python3-perf-debuginfo, p-cpe:/a:rocky:linux:python3-perf

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/5/2026

Vulnerability Publication Date: 6/24/2026

Reference Information

CVE: CVE-2026-52929, CVE-2026-64541, CVE-2026-74586, CVE-2026-80863, CVE-2026-80864, CVE-2026-89488