SB2021032004 - Denial of service in Linux kernel FUSE implementation

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Main Vulnerability Database SB2021032004

SB2021032004 - Denial of service in Linux kernel FUSE implementation

Published: March 20, 2021 Updated: November 17, 2021

Security Bulletin ID SB2021032004
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) Excessive Iteration (CVE-ID: CVE-2021-28950)

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

The vulnerability exists due to excessive iteration in fs/fuse/fuse_i.h in the Linux kernel. A local user can run a specially crafted program to perform a denial of service attack.


Remediation

Install update from vendor's website.

References