Improper input validation in Linux kernel - CVE-2007-4133

 

Improper input validation in Linux kernel - CVE-2007-4133

Published: October 5, 2007 / Updated: September 29, 2017


Vulnerability identifier: #VU94799
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2007-4133
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Linux kernel

How to mitigate CVE-2007-4133

Install update from vendor's repository.


External References

Related Security Bulletins