CVE-2011-3363

MEDIUM

Linux Kernel < 2.6.39 - Improper Input Validation

Title source: rule

Description

The setup_cifs_sb function in fs/cifs/connect.c in the Linux kernel before 2.6.39 does not properly handle DFS referrals, which allows remote CIFS servers to cause a denial of service (system crash) by placing a referral at the root of a share.

References (5)

[Patch] http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=70945643722ffeac779d2529a348f99567fa5c33

[Broken Link] http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39

[Mailing List, Patch, Third Party Advisory] http://www.openwall.com/lists/oss-security/2011/09/14/12

[Issue Tracking, Patch, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=738291

[Patch, Third Party Advisory] https://github.com/torvalds/linux/commit/70945643722ffeac779d2529a348f99567fa5c33

Scores

CVSS v3 6.5

EPSS 0.0012

EPSS Percentile 31.3%

Attack Vector ADJACENT_NETWORK

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

Classification

CWE

CWE-20

Status draft

Affected Products (2)

linux/linux_kernel < 2.6.39

redhat/enterprise_linux

Timeline

Published May 24, 2012

Tracked Since Feb 18, 2026