SB2023091142 - SUSE update for the Linux Kernel (Live Patch 41 for SLE 15 SP1) 

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Main Vulnerability Database SB2023091142

SB2023091142 - SUSE update for the Linux Kernel (Live Patch 41 for SLE 15 SP1)

Published: September 11, 2023

Security Bulletin ID SB2023091142
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 write (CVE-ID: CVE-2023-3090)

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

The vulnerability exists due to a boundary error within the ipvlan network driver in Linux kernel. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.


2) Out-of-bounds write (CVE-ID: CVE-2023-35001)

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

The vulnerability exists due to a boundary error within the nft_byteorder() function. A local user can trigger an out-of-bounds write and execute arbitrary code on the target system.


3) Use-after-free (CVE-ID: CVE-2023-3567)

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

The vulnerability exists due to a use-after-free error within the vc_screen() function in vcs_read in drivers/tty/vt/vc_screen.c. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.

References