Detections
Analytics
RockyLinux 8 : kernel-rt (RLSA-2026:0443)
high Nessus Plugin ID 291295
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-2026:0443 advisory.* kernel: media: rc: fix races with imon_disconnect() (CVE-2025-39993)
* kernel: sctp: avoid NULL dereference when chunk data buffer is missing (CVE-2025-40240)
* kernel: libceph: fix potential use-after-free in have_mon_and_osd_map() (CVE-2025-68285)
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://errata.rockylinux.org/RLSA-2026:0443
https://bugzilla.redhat.com/show_bug.cgi?id=2404121
Plugin Details
Severity: High
ID: 291295
File Name: rocky_linux_RLSA-2026-0443.nasl
Version: 1.1
Type: local
Published: 1/17/2026
Updated: 1/17/2026
Supported Sensors: Continuous Assessment, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: High
Base Score: 9
Temporal Score: 6.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:C
CVSS Score Source: CVE-2025-40240
CVSS v3
Risk Factor: High
Base Score: 8.6
Temporal Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:rocky:linux:kernel-rt-debuginfo, p-cpe:/a:rocky:linux:kernel-rt-debug-debuginfo, p-cpe:/a:rocky:linux:kernel-rt-devel, p-cpe:/a:rocky:linux:kernel-rt-kvm, p-cpe:/a:rocky:linux:kernel-rt-debuginfo-common-x86_64, cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:kernel-rt-debug, p-cpe:/a:rocky:linux:kernel-rt-modules-extra, p-cpe:/a:rocky:linux:kernel-rt-modules, p-cpe:/a:rocky:linux:kernel-rt-core, p-cpe:/a:rocky:linux:kernel-rt-debug-kvm, p-cpe:/a:rocky:linux:kernel-rt, p-cpe:/a:rocky:linux:kernel-rt-debug-devel, p-cpe:/a:rocky:linux:kernel-rt-debug-modules, p-cpe:/a:rocky:linux:kernel-rt-debug-modules-extra, p-cpe:/a:rocky:linux:kernel-rt-debug-core
Required KB Items: Host/local_checks_enabled, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 1/17/2026
Vulnerability Publication Date: 10/15/2025