CVE-2012-1097 Information

Description

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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c8e252586f8d5de906385d8cf6385fee289a825e http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html http://rhn.redhat.com/errata/RHSA-2012-0481.html http://rhn.redhat.com/errata/RHSA-2012-0531.html http://secunia.com/advisories/48842 http://secunia.com/advisories/48898 http://secunia.com/advisories/48964 http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.10 http://www.openwall.com/lists/oss-security/2012/03/05/1 https://bugzilla.redhat.com/show_bug.cgi?id=799209 https://github.com/torvalds/linux/commit/c8e252586f8d5de906385d8cf6385fee289a825e

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8