SB2010041202 - Null pointer dereference in Linux kernel
Published: April 12, 2010
Security Bulletin ID
SB2010041202
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Null pointer dereference (CVE-ID: CVE-2010-1148)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The cifs_create function in fs/cifs/dir.c in the Linux kernel 2.6.33.2 and earlier allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact via a NULL nameidata (aka nd) field in a POSIX file-creation request to a server that supports UNIX extensions.
Remediation
Install update from vendor's website.
References
- http://lists.samba.org/archive/linux-cifs-client/2010-April/005741.html
- http://lists.samba.org/archive/linux-cifs-client/2010-April/005742.html
- http://lists.samba.org/archive/linux-cifs-client/2010-April/005746.html
- http://lists.samba.org/archive/linux-cifs-client/2010-April/005757.html
- http://marc.info/?l=oss-security&m=127045754521927&w=2
- http://marc.info/?l=oss-security&m=127045779122119&w=2
- http://openwall.com/lists/oss-security/2010/04/06/2
- http://secunia.com/advisories/39344
- http://www.securityfocus.com/bid/39186
- http://xorl.wordpress.com/2010/04/05/linux-kernel-unix-extensions-cifs-null-pointer-dereference/
- https://bugzilla.redhat.com/show_bug.cgi?id=579445
- https://exchange.xforce.ibmcloud.com/vulnerabilities/57561