Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-6766-2)

high Nessus Plugin ID 197101

Synopsis

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

Description

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6766-2 advisory.

- In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix UAF issue in ksmbd_tcp_new_connection() The race is between the handling of a new TCP connection and its disconnection. It leads to UAF on `struct tcp_transport` in ksmbd_tcp_new_connection() function. (CVE-2024-26592)
- In the Linux kernel, the following vulnerability has been resolved:
i2c: i801: Fix block process call transactions According to the Intel datasheets, software must reset the block buffer index twice for block process call transactions: once before writing the outgoing data to the buffer, and once again before reading the incoming data from the buffer. The driver is currently missing the second reset, causing the wrong portion of the block buffer to be read. (CVE-2024-26593)

- In the Linux kernel, the following vulnerability has been resolved:
ksmbd: validate mech token in session setup If client send invalid mech token in session setup request, ksmbd validate and make the error if it is invalid. (CVE-2024-26594)

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-6766-2

Plugin Details

Severity: High

ID: 197101

File Name: ubuntu_USN-6766-2.nasl

Version: 1.2

Type: local

Agent: unix

Published: 5/15/2024

Updated: 10/2/2024

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: 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-2024-26592

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:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.15.0-106-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.15.0-1054-raspi, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.15.0-106-generic-64k, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.15.0-106-generic-lpae, cpe:/o:canonical:ubuntu_linux:22.04:-:lts

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: 5/15/2024

Vulnerability Publication Date: 1/23/2024

Reference Information

CVE: CVE-2023-52435, CVE-2023-52486, CVE-2023-52489, CVE-2023-52491, CVE-2023-52492, CVE-2023-52493, CVE-2023-52494, CVE-2023-52498, CVE-2023-52583, CVE-2023-52587, CVE-2023-52588, CVE-2023-52594, CVE-2023-52595, CVE-2023-52597, CVE-2023-52598, CVE-2023-52599, CVE-2023-52601, CVE-2023-52602, CVE-2023-52604, CVE-2023-52606, CVE-2023-52607, CVE-2023-52608, CVE-2023-52614, CVE-2023-52615, CVE-2023-52616, CVE-2023-52617, CVE-2023-52618, CVE-2023-52619, CVE-2023-52622, CVE-2023-52623, CVE-2023-52627, CVE-2023-52631, CVE-2023-52633, CVE-2023-52635, CVE-2023-52637, CVE-2023-52638, CVE-2023-52642, CVE-2023-52643, CVE-2024-1151, CVE-2024-2201, CVE-2024-23849, CVE-2024-26592, CVE-2024-26593, CVE-2024-26594, CVE-2024-26600, CVE-2024-26602, CVE-2024-26606, CVE-2024-26608, CVE-2024-26610, CVE-2024-26614, CVE-2024-26615, CVE-2024-26625, CVE-2024-26627, CVE-2024-26635, CVE-2024-26636, CVE-2024-26640, CVE-2024-26641, CVE-2024-26644, CVE-2024-26645, CVE-2024-26660, CVE-2024-26663, CVE-2024-26664, CVE-2024-26665, CVE-2024-26668, CVE-2024-26671, CVE-2024-26673, CVE-2024-26675, CVE-2024-26676, CVE-2024-26679, CVE-2024-26684, CVE-2024-26685, CVE-2024-26689, CVE-2024-26695, CVE-2024-26696, CVE-2024-26697, CVE-2024-26698, CVE-2024-26702, CVE-2024-26704, CVE-2024-26707, CVE-2024-26712, CVE-2024-26715, CVE-2024-26717, CVE-2024-26720, CVE-2024-26722, CVE-2024-26808, CVE-2024-26825, CVE-2024-26826, CVE-2024-26829, CVE-2024-26910, CVE-2024-26916, CVE-2024-26920

USN: 6766-2