SB2024012602 - Ubuntu update for linux-aws 

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Main Vulnerability Database SB2024012602

SB2024012602 - Ubuntu update for linux-aws

Published: January 26, 2024

Security Bulletin ID SB2024012602
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) Out-of-bounds read (CVE-ID: CVE-2023-6606)

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

The vulnerability exists due to a boundary condition within the smbCalcSize() function in fs/smb/client/netmisc.c file. A local user can trigger an out-of-bounds read error and gain access to sensitive information or crash the kernel.


2) Out-of-bounds write (CVE-ID: CVE-2023-6931)

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

The vulnerability exists due to a boundary error in the Linux kernel's Performance Events system component. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.


3) Use-after-free (CVE-ID: CVE-2023-6932)

The vulnerability allows a local authenticated user to execute arbitrary code.

The vulnerability exists due to a use-after-free error within the ipv4 igmp component in Linux kernel. A local authenticated user can trigger a use-after-free error and execute arbitrary code.


Remediation

Install update from vendor's website.

References