CVE-2007-4311: Linux Kernel

Medium severity, CVSS 6.8. EPSS: 1.7% chance of exploitation in the next 30 days.

The xfer_secondary_pool function in drivers/char/random.c in the Linux kernel 2.4 before 2.4.35 performs reseed operations on only the first few bytes of a buffer, which might make it easier for attackers to predict the output of the random number generator, related to incorrect use of the sizeof operator.

Affected products

• Linux Linux Kernel: up to and including 2.4.34

Published 2007-08-13. Last modified 2026-06-16.