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Ubuntu 20.04 LTS : Linux kernel vulnerabilities (USN-5383-1)

medium Nessus Plugin ID 160027

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Synopsis

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

Description

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5383-1 advisory.

 David Bouman discovered that the netfilter subsystem in the Linux kernel did not properly validate passed user register indices. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2022-1015)

 Brendan Dolan-Gavitt discovered that the Marvell WiFi-Ex USB device driver in the Linux kernel did not properly handle some error conditions. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2021-43976)

 Wenqing Liu discovered that the f2fs file system implementation in the Linux kernel did not properly validate inode types while performing garbage collection. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service (system crash).
 (CVE-2021-44879)

 It was discovered that the UDF file system implementation in the Linux kernel could attempt to dereference a null pointer in some situations. An attacker could use this to construct a malicious UDF image that, when mounted and operated on, could cause a denial of service (system crash). (CVE-2022-0617)

 David Bouman discovered that the netfilter subsystem in the Linux kernel did not initialize memory in some situations. A local attacker could use this to expose sensitive information (kernel memory).
 (CVE-2022-1016)

 Lyu Tao discovered that the NFS implementation in the Linux kernel did not properly handle requests to open a directory on a regular file. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2022-24448)

 It was discovered that the VirtIO Bluetooth driver in the Linux kernel did not properly deallocate memory in some error conditions. A local attacker could possibly use this to cause a denial of service (memory exhaustion). (CVE-2022-26878)

 It was discovered that the YAM AX.25 device driver in the Linux kernel did not properly deallocate memory in some error conditions. A local privileged attacker could use this to cause a denial of service (kernel memory exhaustion). (CVE-2022-24959)

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 kernel package.

See Also

https://ubuntu.com/security/notices/USN-5383-1

Plugin Details

Severity: Medium

ID: 160027

File Name: ubuntu_USN-5383-1.nasl

Version: 1.8

Type: local

Agent: unix

Published: 4/21/2022

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

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

CVSS Score Source: CVE-2022-1015

CVSS v3

Risk Factor: Medium

Base Score: 6.6

Temporal Score: 5.9

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.13.0-40-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.13.0-1024-gcp, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.13.0-40-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.13.0-40-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.13.0-1022-azure, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.13.0-40-generic-64k, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.13.0-1011-intel, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.13.0-1027-oracle

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: 4/20/2022

Vulnerability Publication Date: 11/17/2021

Reference Information

CVE: CVE-2021-43976, CVE-2021-44879, CVE-2022-0617, CVE-2022-1015, CVE-2022-1016, CVE-2022-24448, CVE-2022-24959, CVE-2022-26878

USN: 5383-1