SB2023120454 - IBM Elastic Storage System update for Linux kernel

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2023120454

SB2023120454 - IBM Elastic Storage System update for Linux kernel

Published: December 4, 2023

Security Bulletin ID SB2023120454
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2023-32233)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in Netfilter nf_tables when processing batch requests. A local user can trigger a use-after-free error and execute arbitrary code with root privileges.


2) Out-of-bounds read (CVE-ID: CVE-2023-2124)

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

The vulnerability exists due to a boundary condition within the XFS subsystem in Linux kernel. A local user can trigger an out-of-bounds read error and crash the kernel.


3) Information exposure through microarchitectural state after transient execution (CVE-ID: CVE-2023-1637)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due speculative execution behavior in the Linux kernel X86 CPU Power management options functionality. A local user can gain access to sensitive information.



Remediation

Install update from vendor's website.

References