VULNERABILITY INTELLIGENCE

CVE-2009-1935

CVSS score4.9 MEDIUM
EPSS probability0.44%
CISA KEVNot currently listed
Published2009-06-18
Last modified2026-06-16
CVSS vectorAV:L/AC:L/Au:N/C:C/I:N/A:N

Description

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.

Primary references