RockyLinux 9 : kernel (RLSA-2026:74438)

high Nessus Plugin ID 362856

Synopsis

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

Description

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:74438 advisory.

* kernel: RDMA/uverbs: Validate wqe_size before using it in ib_uverbs_post_send (CVE-2026-45856)

* kernel: KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path (CVE-2026-63794)

* kernel: futex: Fix race on the initial mm->futex.phash.ref allocation (CVE-2026-80775)

Bug Fix(es) and Enhancement(s):

* Backport of protocol attribute to IP addresses (IFA_PROTO) [rhel-9.8.z] (JIRA:Rocky Linux-169936)

* try_charge_memcg() refactor in kernel 5.14.0-687.36.1 causes premature memcg OOM with GiB of clean page cache present [rhel-9.8.z] (JIRA:Rocky Linux-269060)

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.

Plugin Details

Severity: High

ID: 362856

File Name: rocky_linux_RLSA-2026-74438.nasl

Version: 1.1

Type: Local

Family: Rocky Linux Local Security Checks

Published: 10/3/2026

Updated: 10/3/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.16

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-2026-63794

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:rocky:linux:9, p-cpe:/a:rocky:linux:kernel-64k-core, p-cpe:/a:rocky:linux:kernel-64k-debug-core, p-cpe:/a:rocky:linux:kernel-64k-debug-debuginfo, p-cpe:/a:rocky:linux:kernel-64k-debug-devel-matched, p-cpe:/a:rocky:linux:kernel-64k-debug-devel, p-cpe:/a:rocky:linux:kernel-64k-debug-modules-core, p-cpe:/a:rocky:linux:kernel-64k-debug-modules-extra, p-cpe:/a:rocky:linux:kernel-64k-debug-modules, p-cpe:/a:rocky:linux:kernel-64k-debug, p-cpe:/a:rocky:linux:kernel-64k-debuginfo, p-cpe:/a:rocky:linux:kernel-64k-devel-matched, p-cpe:/a:rocky:linux:kernel-64k-devel, p-cpe:/a:rocky:linux:kernel-64k-modules-core, p-cpe:/a:rocky:linux:kernel-64k-modules-extra, p-cpe:/a:rocky:linux:kernel-64k-modules, p-cpe:/a:rocky:linux:kernel-64k, 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-matched, p-cpe:/a:rocky:linux:kernel-debug-devel, p-cpe:/a:rocky:linux:kernel-debug-modules-core, p-cpe:/a:rocky:linux:kernel-debug-modules-extra, p-cpe:/a:rocky:linux:kernel-debug-modules, p-cpe:/a:rocky:linux:kernel-debug-uki-virt, p-cpe:/a:rocky:linux:kernel-debug, p-cpe:/a:rocky:linux:kernel-debuginfo-common-aarch64, p-cpe:/a:rocky:linux:kernel-debuginfo-common-ppc64le, p-cpe:/a:rocky:linux:kernel-debuginfo-common-s390x, p-cpe:/a:rocky:linux:kernel-debuginfo-common-x86_64, p-cpe:/a:rocky:linux:kernel-debuginfo, p-cpe:/a:rocky:linux:kernel-devel-matched, p-cpe:/a:rocky:linux:kernel-devel, p-cpe:/a:rocky:linux:kernel-modules-core, p-cpe:/a:rocky:linux:kernel-modules-extra, p-cpe:/a:rocky:linux:kernel-modules, p-cpe:/a:rocky:linux:kernel-rt-64k-core, p-cpe:/a:rocky:linux:kernel-rt-64k-debug-core, p-cpe:/a:rocky:linux:kernel-rt-64k-debug-debuginfo, p-cpe:/a:rocky:linux:kernel-rt-64k-debug-devel, p-cpe:/a:rocky:linux:kernel-rt-64k-debug-modules-core, p-cpe:/a:rocky:linux:kernel-rt-64k-debug-modules-extra, p-cpe:/a:rocky:linux:kernel-rt-64k-debug-modules, p-cpe:/a:rocky:linux:kernel-rt-64k-debug, p-cpe:/a:rocky:linux:kernel-rt-64k-debuginfo, p-cpe:/a:rocky:linux:kernel-rt-64k-devel, p-cpe:/a:rocky:linux:kernel-rt-64k-modules-core, p-cpe:/a:rocky:linux:kernel-rt-64k-modules-extra, p-cpe:/a:rocky:linux:kernel-rt-64k-modules, p-cpe:/a:rocky:linux:kernel-rt-64k, p-cpe:/a:rocky:linux:kernel-rt-core, p-cpe:/a:rocky:linux:kernel-rt-debug-core, p-cpe:/a:rocky:linux:kernel-rt-debug-debuginfo, p-cpe:/a:rocky:linux:kernel-rt-debug-devel, p-cpe:/a:rocky:linux:kernel-rt-debug-modules-core, p-cpe:/a:rocky:linux:kernel-rt-debug-modules-extra, p-cpe:/a:rocky:linux:kernel-rt-debug-modules, p-cpe:/a:rocky:linux:kernel-rt-debug, p-cpe:/a:rocky:linux:kernel-rt-debuginfo, p-cpe:/a:rocky:linux:kernel-rt-devel, p-cpe:/a:rocky:linux:kernel-rt-modules-core, p-cpe:/a:rocky:linux:kernel-rt-modules-extra, p-cpe:/a:rocky:linux:kernel-rt-modules, p-cpe:/a:rocky:linux:kernel-rt, 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-uki-virt-addons, p-cpe:/a:rocky:linux:kernel-uki-virt, p-cpe:/a:rocky:linux:kernel-zfcpdump-core, p-cpe:/a:rocky:linux:kernel-zfcpdump-debuginfo, p-cpe:/a:rocky:linux:kernel-zfcpdump-devel-matched, p-cpe:/a:rocky:linux:kernel-zfcpdump-devel, p-cpe:/a:rocky:linux:kernel-zfcpdump-modules-core, p-cpe:/a:rocky:linux:kernel-zfcpdump-modules-extra, p-cpe:/a:rocky:linux:kernel-zfcpdump-modules, p-cpe:/a:rocky:linux:kernel-zfcpdump, p-cpe:/a:rocky:linux:kernel, p-cpe:/a:rocky:linux:libperf-debuginfo, p-cpe:/a:rocky:linux:libperf, 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, p-cpe:/a:rocky:linux:rtla, p-cpe:/a:rocky:linux:rv

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: 10/3/2026

Vulnerability Publication Date: 3/12/2026

Reference Information

CVE: CVE-2026-45856, CVE-2026-63794, CVE-2026-80775

Detections

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