SB20240620119 - Allocation of resources without limits or throttling in Linux kernel net xen-netback driver

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Main Vulnerability Database SB20240620119

SB20240620119 - Allocation of resources without limits or throttling in Linux kernel net xen-netback driver

Published: June 20, 2024

Security Bulletin ID SB20240620119
CSH 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 vulnerability.


1) Allocation of resources without limits or throttling (CVE-ID: CVE-2021-28038)

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local user to a crash the entire system.

The vulnerability exists due to allocation of resources without limits or throttling error within the xenvif_tx_action() function in drivers/net/xen-netback/netback.c. A local user can a crash the entire system.


Remediation

Install update from vendor's website.

References