RockyLinux 8 : container-tools:rhel8 (RLSA-2026:35833)

high Nessus Plugin ID 325252

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-2026:35833 advisory.

* github.com/go-jose/go-jose/v3: github.com/go-jose/go-jose/v4: Go JOSE: Denial of Service via crafted JSON Web Encryption (JWE) object (CVE-2026-34986)

* golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via crafted public key with excessive parameters (CVE-2026-39829)

* golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via resource leak from unsolicited SSH responses (CVE-2026-39830)

* golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: Security bypass due to improper handling of key restrictions (CVE-2026-39832)

* golang.org/x/crypto/ssh/knownhosts: golang: golang.org/x/crypto/ssh/knownhosts: Revocation bypass via unchecked SignatureKey (CVE-2026-42508)

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: 325252

File Name: rocky_linux_RLSA-2026-35833.nasl

Version: 1.1

Type: Local

Family: Rocky Linux Local Security Checks

Published: 7/6/2026

Updated: 7/6/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.33

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2026-42508

CVSS v3

Risk Factor: High

Base Score: 8.7

Temporal Score: 7.6

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

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

CVSS Score Source: CVE-2026-39832

Vulnerability Information

CPE: p-cpe:/a:rocky:linux:netavark, p-cpe:/a:rocky:linux:oci-seccomp-bpf-hook, p-cpe:/a:rocky:linux:criu-debuginfo, p-cpe:/a:rocky:linux:slirp4netns-debuginfo, p-cpe:/a:rocky:linux:runc, p-cpe:/a:rocky:linux:libslirp-debuginfo, p-cpe:/a:rocky:linux:toolbox, p-cpe:/a:rocky:linux:conmon-debugsource, cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:oci-seccomp-bpf-hook-debuginfo, p-cpe:/a:rocky:linux:python3-podman, p-cpe:/a:rocky:linux:crun-debugsource, p-cpe:/a:rocky:linux:skopeo, p-cpe:/a:rocky:linux:crun, p-cpe:/a:rocky:linux:slirp4netns, p-cpe:/a:rocky:linux:toolbox-tests, p-cpe:/a:rocky:linux:crun-debuginfo, p-cpe:/a:rocky:linux:python3-criu, p-cpe:/a:rocky:linux:fuse-overlayfs-debuginfo, p-cpe:/a:rocky:linux:containernetworking-plugins-debuginfo, p-cpe:/a:rocky:linux:runc-debugsource, p-cpe:/a:rocky:linux:skopeo-tests, p-cpe:/a:rocky:linux:toolbox-debugsource, p-cpe:/a:rocky:linux:runc-debuginfo, p-cpe:/a:rocky:linux:containernetworking-plugins-debugsource, p-cpe:/a:rocky:linux:libslirp-debugsource, p-cpe:/a:rocky:linux:slirp4netns-debugsource, p-cpe:/a:rocky:linux:aardvark-dns, p-cpe:/a:rocky:linux:conmon, p-cpe:/a:rocky:linux:criu-debugsource, p-cpe:/a:rocky:linux:criu-libs, p-cpe:/a:rocky:linux:fuse-overlayfs-debugsource, p-cpe:/a:rocky:linux:containernetworking-plugins, p-cpe:/a:rocky:linux:cockpit-podman, p-cpe:/a:rocky:linux:libslirp, p-cpe:/a:rocky:linux:conmon-debuginfo, p-cpe:/a:rocky:linux:toolbox-debuginfo, p-cpe:/a:rocky:linux:crit, p-cpe:/a:rocky:linux:fuse-overlayfs, p-cpe:/a:rocky:linux:oci-seccomp-bpf-hook-debugsource, p-cpe:/a:rocky:linux:containers-common, p-cpe:/a:rocky:linux:libslirp-devel, p-cpe:/a:rocky:linux:criu-libs-debuginfo, p-cpe:/a:rocky:linux:criu-devel, p-cpe:/a:rocky:linux:criu, p-cpe:/a:rocky:linux:udica, p-cpe:/a:rocky:linux:container-selinux

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: 7/6/2026

Vulnerability Publication Date: 4/3/2026

Reference Information

CVE: CVE-2026-34986, CVE-2026-39829, CVE-2026-39830, CVE-2026-39832, CVE-2026-42508

IAVB: 2026-B-0120

Detections

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