RockyLinux 8 : rsync (RLSA-2026:74095)

critical Nessus Plugin ID 362384

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-2026:74095 advisory.

* rsync: rsync 2.3.3 < 3.5.0 Path Traversal via --partial-dir/--backup-dir Symlink (CVE-2026-70460)

* rsync: rsync: Arbitrary file deletion via malicious file list (CVE-2026-53789)

* rsync: rsync < 3.5.0 Command Injection via Multiple Code Paths (CVE-2026-53790)

* rsync: rsync: Memory corruption via crafted file entries (CVE-2026-70458)

* rsync: rsync: Denial of Service via handshake stall (CVE-2026-70464)

* rsync: rsync: Local Privilege Escalation via Symlink Following (CVE-2026-53803)

* rsync: rsync: Unauthorized File Access via Symlink Module Root (CVE-2026-53784)

* rsync: rsync: Authorization bypass via `auth users` directive parsing (CVE-2026-70463)

* rsync: rsync 3.1.0 < 3.5.0 Access Control Bypass via DNS Resolution Failure (CVE-2026-70452)

* rsync: rsync: Arbitrary file write via --temp-dir or --link-dest options (CVE-2026-53795)

* rsync: rsync: Heap Out-of-Bounds Write via crafted argument list (CVE-2026-70456)

* rsync: rsync < 3.5.0 Path Confinement Bypass via /./ Boundary Marker in Chroot Mode (CVE-2026-53793)

* rsync: rsync: Denial of Service via Algorithmic Complexity (CVE-2026-70453)

* rsync: rsync: Information disclosure and denial of service via crafted files-from entry (CVE-2026-70461)

* rsync: rsync: Arbitrary File Read via Symlink Following (CVE-2026-53802)

* rsync: rsync: Arbitrary file write via path traversal in --relative mode (CVE-2026-53785)

* rsync: rsync: Directory escape via TOCTOU race condition in rrsync (CVE-2026-53783)

Bug Fix(es) and Enhancement(s):

* Fix latest CVEs in rsync in Rocky Linux8 (JIRA:Rocky Linux-256903)

* rsync-3.1.3-27.el8_10 regression: rsync daemon rejects legitimate cross-device symlinks with EXDEV when use chroot = no (JIRA:Rocky Linux-239553)

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: Critical

ID: 362384

File Name: rocky_linux_RLSA-2026-74095.nasl

Version: 1.1

Type: Local

Family: Rocky Linux Local Security Checks

Published: 10/1/2026

Updated: 10/1/2026

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: 58.18

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-53789

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.2

Threat Score: 8.2

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-70460

Vulnerability Information

CPE: cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:rsync-daemon, p-cpe:/a:rocky:linux:rsync-debuginfo, p-cpe:/a:rocky:linux:rsync-debugsource, p-cpe:/a:rocky:linux:rsync

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: 10/1/2026

Vulnerability Publication Date: 8/13/2026

Reference Information

CVE: CVE-2026-53783, CVE-2026-53784, CVE-2026-53785, CVE-2026-53789, CVE-2026-53790, CVE-2026-53793, CVE-2026-53795, CVE-2026-53802, CVE-2026-53803, CVE-2026-70452, CVE-2026-70453, CVE-2026-70456, CVE-2026-70458, CVE-2026-70460, CVE-2026-70461, CVE-2026-70463, CVE-2026-70464

Detections

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