Detections
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Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS : Redis, Lua vulnerabilities (USN-8169-1)

critical Nessus Plugin ID 306359

Synopsis

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

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8169-1 advisory.

 It was discovered that Redis incorrectly handled certain specially crafted Lua scripts. A remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue was only addressed in lua5.1 on Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2025-49844)

 It was discovered that Redis incorrectly handled certain specially crafted Lua scripts. A remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue was only addressed in lua-bitop on Ubuntu 20.04 LTS and Ubuntu 22.04 LTS and in redis on Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 24.04 LTS. (CVE-2024-31449)

 Seiya Nakata and Yudai Fujiwara discovered that Redis incorrectly handled certain specially crafted Lua scripts. An attacker could possibly use this issue to cause heap corruption and execute arbitrary code.
 This issue was only addressed in lua-cjson on Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-24834)

Tenable has extracted the preceding description block directly from the Ubuntu 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://ubuntu.com/security/notices/USN-8169-1

Plugin Details

Severity: Critical

ID: 306359

File Name: ubuntu_USN-8169-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 4/14/2026

Updated: 4/14/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 10.0

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 7

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

CVSS Score Source: CVE-2025-49844

CVSS v3

Risk Factor: Critical

Base Score: 9.9

Temporal Score: 8.9

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:liblua5.1-0, p-cpe:/a:canonical:ubuntu_linux:lua5.1, p-cpe:/a:canonical:ubuntu_linux:redis, p-cpe:/a:canonical:ubuntu_linux:redis-tools, p-cpe:/a:canonical:ubuntu_linux:redis-sentinel, p-cpe:/a:canonical:ubuntu_linux:redis-server, p-cpe:/a:canonical:ubuntu_linux:liblua5.1-0-dev, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:lua-cjson, p-cpe:/a:canonical:ubuntu_linux:lua-bitop, p-cpe:/a:canonical:ubuntu_linux:liblua5.1-bitop-dev, p-cpe:/a:canonical:ubuntu_linux:liblua5.1-bitop0, p-cpe:/a:canonical:ubuntu_linux:lua-bitop-dev, p-cpe:/a:canonical:ubuntu_linux:lua-cjson-dev

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/13/2026

Vulnerability Publication Date: 7/10/2023

Reference Information

CVE: CVE-2022-24834, CVE-2024-31449, CVE-2025-49844

IAVA: 2025-A-0731-S

USN: 8169-1