SB2014042703 - Security restrictions bypass in Linux kernel Netlink
Published: April 27, 2014 Updated: April 17, 2023
Security Bulletin ID
SB2014042703
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2014-0181)
The vulnerability allows a local user to bypass implemented security restrictions.
The vulnerability exists due to improper permissions check in Netlink implementation in Linux kernel. A local user can bypass intended access restrictions and modify network configurations by using a Netlink socket for the stdout or stderr of a setuid program.
Remediation
Install update from vendor's website.
References
- http://marc.info/?l=linux-netdev&m=139828832919748&w=2
- http://www.openwall.com/lists/oss-security/2014/04/23/6
- https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=90f62cf30a78721641e08737bda787552428061e
- https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.9
- https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.45
- http://rhn.redhat.com/errata/RHSA-2014-1959.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
- http://www.openwall.com/lists/oss-security/2023/04/16/3