Null pointer dereference in Linux kernel - CVE-2010-1148
Published: April 12, 2010 / Updated: August 28, 2020
Vulnerability identifier: #VU92828
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2010-1148
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2010-1148
Install update from vendor's repository.
Sources
- 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