CVE-2009-1935

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Summary

CVECVE-2009-1935
StatePUBLISHED
Assignerfreebsd
Source PriorityCVE Program / NVD first with legacy fallback
Published2009-06-18 18:30:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionInteger overflow in the pipe_build_write_buffer function (sys/kern/sys_pipe.c) in the direct write optimization feature in the pipe implementation in FreeBSD 7.1 through 7.2 and 6.3 through 6.4 allows local users to bypass virtual-to-physical address lookups and read sensitive information in memory pages via unspecified vectors.

Risk And Classification

Primary CVSS: v2.0 4.9 from [email protected]

AV:L/AC:L/Au:N/C:C/I:N/A:N

Problem Types: CWE-189 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
None
Availability
None

AV:L/AC:L/Au:N/C:C/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Freebsd Freebsd 6.3 All All All
Operating System Freebsd Freebsd 6.3 release_p10 All All
Operating System Freebsd Freebsd 6.3_releng All All All
Operating System Freebsd Freebsd 6.4 All All All
Operating System Freebsd Freebsd 6.4 release_p4 All All
Operating System Freebsd Freebsd 6.4 stable All All
Operating System Freebsd Freebsd 7.1 All All All
Operating System Freebsd Freebsd 7.1 pre-release All All
Operating System Freebsd Freebsd 7.1 rc1 All All
Operating System Freebsd Freebsd 7.1 release-p1 All All
Operating System Freebsd Freebsd 7.1 release-p2 All All
Operating System Freebsd Freebsd 7.1 release-p5 All All
Operating System Freebsd Freebsd 7.1 stable All All
Operating System Freebsd Freebsd 7.2 All All All
Operating System Freebsd Freebsd 7.2 pre-release All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
osvdb.org/55044 af854a3a-2127-422b-91ae-364da2661108 osvdb.org
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
FreeBSD Direct Pipe Writes Information Disclosure Vulnerability - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
security.freebsd.org/patches/SA-09:09/pipe.patch af854a3a-2127-422b-91ae-364da2661108 security.freebsd.org Exploit, Vendor Advisory
FreeBSD Kernel Integer Overflow in Pipe Implementation Lets Local Users Read System Memory - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
FreeBSD Direct Pipe Write Local Information Disclosure Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
security.freebsd.org/advisories/FreeBSD-SA-09:09.pipe.asc af854a3a-2127-422b-91ae-364da2661108 security.freebsd.org Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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