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Ubuntu 14.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-6926-2)

high Nessus Plugin ID 204956

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Synopsis

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

Description

The remote Ubuntu 14.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6926-2 advisory.

 discovered that the NFC Controller Interface (NCI) implementation in the Linux kernel did not properly handle certain memory allocation failure conditions, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash).
 (CVE-2023-46343)

 It was discovered that a race condition existed in the Bluetooth subsystem in the Linux kernel when modifying certain settings values through debugfs. A privileged local attacker could use this to cause a denial of service. (CVE-2024-24857, CVE-2024-24858, CVE-2024-24859)

 Chenyuan Yang discovered that the Unsorted Block Images (UBI) flash device volume management subsystem did not properly validate logical eraseblock sizes in certain situations. An attacker could possibly use this to cause a denial of service (system crash). (CVE-2024-25739)

 Supraja Sridhara, Benedict Schlter, Mark Kuhne, Andrin Bertschi, and Shweta Shinde discovered that the Confidential Computing framework in the Linux kernel for x86 platforms did not properly handle 32-bit emulation on TDX and SEV. An attacker with access to the VMM could use this to cause a denial of service (guest crash) or possibly execute arbitrary code. (CVE-2024-25744)

 Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems:

 - GPU drivers;

 - HID subsystem;

 - I2C subsystem;

 - MTD block device drivers;

 - Network drivers;

 - TTY drivers;

 - USB subsystem;

 - File systems infrastructure;

 - F2FS file system;

 - SMB network file system;

 - BPF subsystem;

 - B.A.T.M.A.N. meshing protocol;

 - Bluetooth subsystem;

 - Networking core;

 - IPv4 networking;

 - IPv6 networking;

 - Netfilter;

 - Unix domain sockets;

 - AppArmor security module; (CVE-2024-26884, CVE-2024-26882, CVE-2024-26923, CVE-2024-26840, CVE-2023-52435, CVE-2024-35984, CVE-2024-26886, CVE-2023-52752, CVE-2023-52436, CVE-2024-36016, CVE-2024-26857, CVE-2024-36902, CVE-2023-52443, CVE-2024-35997, CVE-2024-35982, CVE-2023-52469, CVE-2024-27020, CVE-2024-35978, CVE-2024-26934, CVE-2024-27013, CVE-2023-52449, CVE-2024-26901, CVE-2023-52444, CVE-2023-52620)

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-6926-2

Plugin Details

Severity: High

ID: 204956

File Name: ubuntu_USN-6926-2.nasl

Version: 1.1

Type: local

Agent: unix

Published: 8/1/2024

Updated: 8/1/2024

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2024-26934

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1179-azure

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/1/2024

Vulnerability Publication Date: 1/19/2024

Reference Information

CVE: CVE-2023-46343, CVE-2023-52435, CVE-2023-52436, CVE-2023-52443, CVE-2023-52444, CVE-2023-52449, CVE-2023-52469, CVE-2023-52620, CVE-2023-52752, CVE-2024-24857, CVE-2024-24858, CVE-2024-24859, CVE-2024-25739, CVE-2024-25744, CVE-2024-26840, CVE-2024-26857, CVE-2024-26882, CVE-2024-26884, CVE-2024-26886, CVE-2024-26901, CVE-2024-26923, CVE-2024-26934, CVE-2024-27013, CVE-2024-27020, CVE-2024-35978, CVE-2024-35982, CVE-2024-35984, CVE-2024-35997, CVE-2024-36016, CVE-2024-36902

USN: 6926-2