#VU92828 Null pointer dereference in Linux kernel - CVE-2010-1148
Vulnerability identifier: #VU92828
Vulnerability risk: Low
CVSSv4.0: 4.3 [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:
CWE-ID:
CWE-476
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
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.
Mitigation
Install update from vendor's repository.
Vulnerable software versions
Linux kernel: All versions
External links
https://lists.samba.org/archive/linux-cifs-client/2010-April/005741.html
https://lists.samba.org/archive/linux-cifs-client/2010-April/005742.html
https://lists.samba.org/archive/linux-cifs-client/2010-April/005746.html
https://lists.samba.org/archive/linux-cifs-client/2010-April/005757.html
https://marc.info/?l=oss-security&m=127045754521927&w=2
https://marc.info/?l=oss-security&m=127045779122119&w=2
https://openwall.com/lists/oss-security/2010/04/06/2
https://secunia.com/advisories/39344
https://www.securityfocus.com/bid/39186
https://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
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
