Summaryinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel 2.6.32.51. Affected by this issue is the function pmcraid_ioctl_passthrough. Performing a manipulation results in numeric error. This vulnerability is identified as CVE-2011-2906. There is not any exploit available. The actual existence of this vulnerability is currently in question.

Detailsinfo

A vulnerability classified as critical has been found in Linux Kernel 2.6.32.51 (Operating System). This affects the function pmcraid_ioctl_passthrough. The manipulation with an unknown input leads to a numeric error vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on availability. The summary by CVE is:

** DISPUTED ** Integer signedness error in the pmcraid_ioctl_passthrough function in drivers/scsi/pmcraid.c in the Linux kernel before 3.1 might allow local users to cause a denial of service (memory consumption or memory corruption) via a negative size value in an ioctl call. NOTE: this may be a vulnerability only in unusual environments that provide a privileged program for obtaining the required file descriptor.

The issue has been introduced in 12/03/2009. The weakness was released 05/24/2012 (Website). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2011-2906 since 07/27/2011. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 903 days. During that time the estimated underground price was around $0-$5k. The real existence of this vulnerability is still doubted at the moment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entries connected to this vulnerability are available at VDB-60835, VDB-60834, VDB-60833 and VDB-60832. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 2.6.32.51

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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