SB2009042204 - Improper input validation in Linux kernel nfs

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Main Vulnerability Database SB2009042204

SB2009042204 - Improper input validation in Linux kernel nfs

Published: April 22, 2009

Security Bulletin ID SB2009042204
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) Improper input validation (CVE-ID: CVE-2009-1336)

CWE-ID: CWE-20 - Improper input validation

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 perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation error within the nfs_readdir_lookup() function in fs/nfs/dir.c, within the nfs_init_server(), nfs_create_server(), nfs4_create_server(), nfs4_create_referral_server() and nfs_clone_server() functions in fs/nfs/client.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References