SB20240620120 - Allocation of resources without limits or throttling in Linux kernel xen driver



SB20240620120 - Allocation of resources without limits or throttling in Linux kernel xen driver

Published: June 20, 2024

Security Bulletin ID SB20240620120
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Allocation of resources without limits or throttling (CVE-ID: CVE-2021-26931)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to allocation of resources without limits or throttling error within the scsiback_gnttab_data_map_batch() function in drivers/xen/xen-scsiback.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.