National Cyber Awareness System

Vulnerability Summary for CVE-2012-1097

Overview

The regset (aka register set) feature in the Linux kernel before 3.2.10 does not properly handle the absence of .get and .set methods, which allows local users to cause a denial of service (NULL pointer dereference) or possibly have unspecified other impact via a (1) PTRACE_GETREGSET or (2) PTRACE_SETREGSET ptrace call.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

External Source: CONFIRM

Name: https://github.com/torvalds/linux/commit/c8e252586f8d5de906385d8cf6385fee289a825e

Hyperlink:https://github.com/torvalds/linux/commit/c8e252586f8d5de906385d8cf6385fee289a825e

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=799209

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=799209

External Source: MLIST

Name: [oss-security] 20120305 CVE-2012-1097 kernel: regset: Prevent null pointer reference on readonly regsets

Hyperlink:http://www.openwall.com/lists/oss-security/2012/03/05/1

External Source: CONFIRM

Name: http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.10

Hyperlink:http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.10

External Source: SECUNIA

Name: 48964

Hyperlink:http://secunia.com/advisories/48964

External Source: SECUNIA

Name: 48898

Hyperlink:http://secunia.com/advisories/48898

External Source: SECUNIA

Name: 48842

Hyperlink:http://secunia.com/advisories/48842

External Source: REDHAT

Name: RHSA-2012:0531

Hyperlink:http://rhn.redhat.com/errata/RHSA-2012-0531.html

External Source: CONFIRM

Name: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c8e252586f8d5de906385d8cf6385fee289a825e

Hyperlink:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c8e252586f8d5de906385d8cf6385fee289a825e