CVE-2007-6434 : Linux kernel 2.6.23 allows local users to create low pages in virtual userspace

Linux kernel 2.6.23 allows local users to create low pages in virtual userspace memory and bypass mmap_min_addr protection via a crafted executable file that calls the do_brk function.

Published 2007-12-18 20:46:00

Updated 2011-03-08 03:02:43

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2007-6434

Linux » Linux Kernel » Version: 2.6.23
cpe:2.3:o:linux:linux_kernel:2.6.23:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2007-6434

Top countries where our scanners detected CVE-2007-6434

Top open port discovered on systems with this issue 49152

IPs affected by CVE-2007-6434 19

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2007-6434!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2007-6434

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 6 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2007-6434

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
2.1	LOW	AV:L/AC:L/Au:N/C:N/I:N/A:P	3.9	2.9	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial

CWE ids for CVE-2007-6434

CWE-264

Assigned by: nvd@nist.gov (Primary)

Vendor statements for CVE-2007-6434

Red Hat 2008-09-02

Not vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, 5 or Red Hat Enterprise MRG.

References for CVE-2007-6434

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