SB2008080804 - Off-by-one error in Linux kernel
Published: August 8, 2008
Security Bulletin ID
SB2008080804
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Off-by-one error (CVE-ID: CVE-2008-3535)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
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.
Remediation
Install update from vendor's website.
References
- http://mirror.celinuxforum.org/gitstat/commit-detail.php?commit=94ad374a0751f40d25e22e036c37f7263569d24c
- http://secunia.com/advisories/31881
- http://secunia.com/advisories/32190
- http://secunia.com/advisories/32393
- http://www.debian.org/security/2008/dsa-1636
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.27-rc2
- http://www.lkml.org/lkml/2008/7/30/446
- http://www.redhat.com/support/errata/RHSA-2008-0857.html
- http://www.securityfocus.com/bid/31132
- http://www.ubuntu.com/usn/usn-659-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/44492