CVE-2009-1935

Integer 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.

• CWE-189

• http://osvdb.org/55044
• http://secunia.com/advisories/35398Vendor Advisory
• http://security.freebsd.org/advisories/FreeBSD-SA-09:09.pipe.ascPatch, Vendor Advisory
• http://security.freebsd.org/patches/SA-09:09/pipe.patchExploit, Vendor Advisory
• http://www.securityfocus.com/bid/35279
• http://www.securitytracker.com/id?1022365
• https://exchange.xforce.ibmcloud.com/vulnerabilities/51109
• http://osvdb.org/55044
• http://secunia.com/advisories/35398Vendor Advisory
• http://security.freebsd.org/advisories/FreeBSD-SA-09:09.pipe.ascPatch, Vendor Advisory
• http://security.freebsd.org/patches/SA-09:09/pipe.patchExploit, Vendor Advisory
• http://www.securityfocus.com/bid/35279
• http://www.securitytracker.com/id?1022365
• https://exchange.xforce.ibmcloud.com/vulnerabilities/51109

Published

Jun 18, 2009

Last Modified

Jun 16, 2026

Status

Modified

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