Vulnerability Description
The md driver (drivers/md/md.c) in the Linux kernel before 2.6.30.2 might allow local users to cause a denial of service (NULL pointer dereference) via vectors related to "suspend_* sysfs attributes" and the (1) suspend_lo_store or (2) suspend_hi_store functions. NOTE: this is only a vulnerability when sysfs is writable by an attacker.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 2.6.30.1 |
References
- http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.30.y.git%3Ba=commit%3
- http://lists.vmware.com/pipermail/security-announce/2010/000082.html
- http://secunia.com/advisories/36501
- http://secunia.com/advisories/37105
- http://secunia.com/advisories/38794
- http://secunia.com/advisories/38834
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.30.2
- http://www.openwall.com/lists/oss-security/2009/07/24/1
- http://www.openwall.com/lists/oss-security/2009/07/26/1
- http://www.securitytracker.com/id?1022961
- http://www.ubuntu.com/usn/USN-852-1
- http://www.vupen.com/english/advisories/2010/0528
- http://xorl.wordpress.com/2009/07/21/linux-kernel-md-driver-null-pointer-dereferExploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/52858
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
FAQ
What is CVE-2009-2849?
CVE-2009-2849 is a vulnerability with a CVSS score of 4.7 (MEDIUM). The md driver (drivers/md/md.c) in the Linux kernel before 2.6.30.2 might allow local users to cause a denial of service (NULL pointer dereference) via vectors related to "suspend_* sysfs attributes" ...
How severe is CVE-2009-2849?
CVE-2009-2849 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-2849?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.