SB2022111192 - Fedora 35 update for kernel



SB2022111192 - Fedora 35 update for kernel

Published: November 11, 2022

Security Bulletin ID SB2022111192
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Physical access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2022-3640)

The vulnerability allows an attacker to compromise the affected system.

The vulnerability exists due to a use-after-free error in the 2cap_conn_del() function in net/bluetooth/l2cap_core.c in Linux kernel. An attacker with physical proximity to device can trigger a use-after-free error and execute arbitrary code on the system.



Remediation

Install update from vendor's website.