National Cyber-Alert System
Vulnerability Summary for CVE-2008-3535
Original release date:08/08/2008
Last revised:10/31/2008
Source:
US-CERT/NIST
Overview
Off-by-one error in the iov_iter_advance function in mm/filemap.c in the Linux kernel before 2.6.27-rc2 allows local users to cause a denial of service (system crash) via a certain sequence of file I/O operations with readv and writev, as demonstrated by testcases/kernel/fs/ftest/ftest03 from the Linux Test Project.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.9
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
- Official Statement from Red Hat (01/15/2009)
-
This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, and 5.
It was addressed in Red Hat Enterprise MRG for RHEL-5 via: https://rhn.redhat.com/errata/RHSA-2008-0857.html
References to Advisories, Solutions, and Tools
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External Source: XF
Name: linux-kernel-ioviteradvance-dos(44492)
External Source: UBUNTU
Name: USN-659-1
External Source: BID
Name: 31132
External Source: REDHAT
Name: RHSA-2008:0857
External Source: MLIST
Name: [linux-kernel] 20080730 2.6.27-rc1: IP: iov_iter_advance+0x2e/0x90
External Source: CONFIRM
Name: http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.27-rc2
External Source: DEBIAN
Name: DSA-1636
External Source: SECUNIA
Name: 32393
External Source: SECUNIA
Name: 32190
External Source: SECUNIA
Name: 31881
External Source: CONFIRM
Name: http://mirror.celinuxforum.org/gitstat/commit-detail.php?commit=94ad374a0751f40d25e22e036c37f7263569d24c