SB2023022823 - SUSE update for the Linux Kernel (Live Patch 19 for SLE 15 SP3) 

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Main Vulnerability Database SB2023022823

SB2023022823 - SUSE update for the Linux Kernel (Live Patch 19 for SLE 15 SP3)

Published: February 28, 2023 Updated: May 13, 2024

Security Bulletin ID SB2023022823
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Physical access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2022-3564)

The vulnerability allows an attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the l2cap_reassemble_sdu() function in net/bluetooth/l2cap_core.c. An attacker with physical access to device can trigger a use-after-free error and execute arbitrary code on the system.


2) Integer overflow (CVE-ID: CVE-2023-0179)

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

The vulnerability exists due to an integer overflow within the nft_payload_copy_vlan() function in Linux kernel Netfilter. A local user can trigger an integer overflow and execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.

References