CVE-2007-4311 Weak cryptography in n/a

What is CVE-2007-4311?

CVE-2007-4311 is a medium-severity vulnerability in Linux kernel, published on 13 Aug 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-310

Which versions are affected by CVE-2007-4311?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2007-4311?

Upgrade to a fixed version.

Is CVE-2007-4311 being exploited?

There is no known exploitation of CVE-2007-4311 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-7p4g-p325-hv5m.