Detections
Analytics
RockyLinux 8 : kernel-rt (RLSA-2026:6036)
high Nessus Plugin ID 305091
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-2026:6036 advisory.* kernel: Linux kernel: Use-After-Free vulnerability in ATM subsystem (CVE-2025-38180)
* kernel: macvlan: fix error recovery in macvlan_common_newlink() (CVE-2026-23209)
* kernel: net/sched: cls_u32: use skb_header_pointer_careful() (CVE-2026-23204)
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=2376376
https://bugzilla.redhat.com/show_bug.cgi?id=2439900
Plugin Details
Severity: High
ID: 305091
File Name: rocky_linux_RLSA-2026-6036.nasl
Version: 1.1
Type: Local
Published: 4/6/2026
Updated: 4/6/2026
Supported Sensors: Nessus Agent, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
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-2026-23209
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: 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/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 4/7/2026
Vulnerability Publication Date: 7/4/2025