SB2024032840 - Red Hat Enterprise Linux 9.2 Extended Update Support update for kernel

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Main Vulnerability Database SB2024032840

SB2024032840 - Red Hat Enterprise Linux 9.2 Extended Update Support update for kernel

Published: March 28, 2024

Security Bulletin ID SB2024032840
CSH Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Adjecent network
Highest impact Denial of service

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Integer underflow (CVE-ID: CVE-2024-0565)

CWE-ID: CWE-191 - Integer underflow

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer underflow within the receive_encrypted_standard() function in fs/smb/client/smb2ops.c in the SMB Client sub-component in the Linux Kernel. A remote attacker can trick the victim to connect to a malicious SMB server, trigger an integer underflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


2) Resource exhaustion (CVE-ID: CVE-2024-26602)

CWE-ID: CWE-400 - Resource exhaustion

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper resource management in kernel/sched/membarrier.c. A local user can trigger resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References