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Ubuntu 23.04 : Linux kernel vulnerabilities (USN-6224-1)

high Nessus Plugin ID 178648

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Synopsis

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

Description

The remote Ubuntu 23.04 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6224-1 advisory.

 - An out-of-bounds memory access flaw was found in the Linux kernel's XFS file system in how a user restores an XFS image after failure (with a dirty log journal). This flaw allows a local user to crash or potentially escalate their privileges on the system. (CVE-2023-2124)

 - A vulnerability was found in compare_netdev_and_ip in drivers/infiniband/core/cma.c in RDMA in the Linux Kernel. The improper cleanup results in out-of-boundary read, where a local user can utilize this problem to crash the system or escalation of privilege. (CVE-2023-2176)

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-6224-1

Plugin Details

Severity: High

ID: 178648

File Name: ubuntu_USN-6224-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 7/20/2023

Updated: 2/1/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2023-2176

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:23.04, p-cpe:/a:canonical:ubuntu_linux:linux-image-6.2.0-1008-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-6.2.0-1008-lowlatency-64k, p-cpe:/a:canonical:ubuntu_linux:linux-image-6.2.0-25-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-6.2.0-1007-aws, p-cpe:/a:canonical:ubuntu_linux:linux-image-6.2.0-25-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-6.2.0-1008-kvm, p-cpe:/a:canonical:ubuntu_linux:linux-image-6.2.0-25-generic-64k

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/12/2023

Vulnerability Publication Date: 4/20/2023

Reference Information

CVE: CVE-2023-2124, CVE-2023-2176

USN: 6224-1