Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5442-1)

high Nessus Plugin ID 161810

Synopsis

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

Description

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5442-1 advisory.

- Integer Overflow or Wraparound vulnerability in io_uring of Linux Kernel allows local attacker to cause memory corruption and escalate privileges to root. This issue affects: Linux Kernel versions prior to 5.4.189; version 5.4.24 and later versions. (CVE-2022-1116)

- Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14 and later versions. (CVE-2022-29581)

- The Linux kernel before 5.17.2 mishandles seccomp permissions. The PTRACE_SEIZE code path allows attackers to bypass intended restrictions on setting the PT_SUSPEND_SECCOMP flag. (CVE-2022-30594)

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 kernel package.

See Also

https://ubuntu.com/security/notices/USN-5442-1

Plugin Details

Severity: High

ID: 161810

File Name: ubuntu_USN-5442-1.nasl

Version: 1.7

Type: local

Agent: unix

Published: 6/3/2022

Updated: 1/9/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS Score Source: CVE-2022-29581

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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:P/RL:O/RC:C

CVSS Score Source: CVE-2022-30594

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-1023-ibm, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-1065-kvm, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-1072-gke, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-1075-aws, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-1075-gcp, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-1080-azure, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-1080-azure-fde, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-113-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-113-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-113-lowlatency

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: 5/24/2022

Vulnerability Publication Date: 5/12/2022

Reference Information

CVE: CVE-2022-1116, CVE-2022-29581, CVE-2022-30594

USN: 5442-1