SB2016062909 - Improper access control in Linux kernel nfsd



SB2016062909 - Improper access control in Linux kernel nfsd

Published: June 29, 2016

Security Bulletin ID SB2016062909
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper access control (CVE-ID: CVE-2016-1237)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to improper access control error within the nfsd4_set_nfs4_acl() function in fs/nfsd/nfs4acl.c, within the nfsd3_proc_setacl() function in fs/nfsd/nfs3acl.c, within the nfsacld_proc_setacl() and posix_acl_release() functions in fs/nfsd/nfs2acl.c. A local user can gain access to sensitive information.


Remediation

Install update from vendor's website.