SB2007100501 - Improper input validation in Linux kernel
Published: October 5, 2007
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper input validation (CVE-ID: CVE-2007-4133)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The (1) hugetlb_vmtruncate_list and (2) hugetlb_vmtruncate functions in fs/hugetlbfs/inode.c in the Linux kernel before 2.6.19-rc4 perform certain prio_tree calculations using HPAGE_SIZE instead of PAGE_SIZE units, which allows local users to cause a denial of service (panic) via unspecified vectors.
Remediation
Install update from vendor's website.
References
- http://secunia.com/advisories/26994
- http://secunia.com/advisories/27322
- http://secunia.com/advisories/28170
- http://secunia.com/advisories/28971
- http://secunia.com/advisories/29058
- http://tree.celinuxforum.org/gitstat/commit-detail.php?commit=856fc29505556cf263f3dcda2533cf3766c14ab6
- http://www.debian.org/security/2007/dsa-1381
- http://www.debian.org/security/2008/dsa-1504
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.19-rc4
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:216
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:008
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:105
- http://www.redhat.com/support/errata/RHSA-2007-0940.html
- http://www.securityfocus.com/bid/25904
- http://www.ubuntu.com/usn/usn-558-1
- http://www.ubuntu.com/usn/usn-578-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36925
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10451