SB2021061828 - SUSE update for the Linux Kernel (Live Patch 37 for SLE 12 SP3)

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Main Vulnerability Database SB2021061828

SB2021061828 - SUSE update for the Linux Kernel (Live Patch 37 for SLE 12 SP3)

Published: June 18, 2021

Security Bulletin ID SB2021061828
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local 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) Race condition (CVE-ID: CVE-2021-32399)

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

The vulnerability exists due to a race condition  for removal of the HCI controller within net/bluetooth/hci_request.c in the Linux kernel. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.


2) Use-after-free (CVE-ID: CVE-2021-33034)

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

The vulnerability exists due to a use-after-free error in net/bluetooth/hci_event.c when destroying an hci_chan. A local user can escalate privileges on the system.



Remediation

Install update from vendor's website.

References