Vulnerability in Freebsd

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.

EPSS: 0.004 (35.7th percentile) — read the EPSS interpretation.

Affected products

  • Freebsd — versions 6.3, 6.3_releng, 6.4
  • N/a — versions n/a

Weakness classification (CWE)

References