SB2023092737 - SUSE update for the Linux Kernel (Live Patch 42 for SLE 15 SP1) 

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Main Vulnerability Database SB2023092737

SB2023092737 - SUSE update for the Linux Kernel (Live Patch 42 for SLE 15 SP1)

Published: September 27, 2023 Updated: May 31, 2024

Security Bulletin ID SB2023092737
Severity
Low
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2023-1829)

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

The vulnerability exists due to a use-after-free error within the tcindex_delete() function. A local user can trigger a use-after-free error and execute arbitrary code with root privileges.


2) Use-after-free (CVE-ID: CVE-2023-3609)

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

The vulnerability exists due to a use-after-free error within the the Linux kernel net/sched: cls_u32 component. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.


3) Use-after-free (CVE-ID: CVE-2023-3776)

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

The vulnerability exists due to a use-after-free error within the the Linux kernel's net/sched: cls_fw component. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.


4) Out-of-bounds write (CVE-ID: CVE-2023-3812)

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

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


Remediation

Install update from vendor's website.

References