PT-2012-1679 · Linux+2 · Linux Kernel+2

Darren Lavender · Published 2011-10-20 · Updated 2023-02-13 · CVE-2011-3191

Positive Technologies (AI Summary)

CVSS v2.0

8.3

High

Base vector

AV:A/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 3.1

Description The issue is related to an integer signedness error in the CIFSFindNext function, which can be exploited by remote CIFS servers. This error occurs when a large length value is included in a response to a read request for a directory, potentially causing a denial of service due to memory corruption. There may be other unspecified impacts as well.

Recommendations For Linux kernel versions prior to 3.1, update to version 3.1 or later to resolve the issue.

Fix

DoS

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2011-3191

DSA-2303-1

DSA-2310-1

RHSA-2011:1386

RHSA-2011:1465

RHSA-2011_1386

RHSA-2011_1465

RHSA-2012:0010

Affected Products

Linux Kernel

Red Hat

Suse

References · 8

• https://github.com/torvalds/linux/commit/9438fabb73eb48055b58b89fc51e0bc4db22fabd · Patch
• http://openwall.com/lists/oss-security/2011/08/24/2 · Patch
• https://linux.oracle.com/errata/ELSA-2011-2033.html · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=732869 · Patch
• https://linux.oracle.com/errata/ELSA-2011-1465.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2011-3191 · Security Note
• http://kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1 · Vendor Advisory
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9438fabb73eb48055b58b89fc51e0bc4db22fabd · Note