CVE-2007-2453 Weak cryptography in n/a

What is CVE-2007-2453?

CVE-2007-2453 is a low-severity vulnerability in Linux kernel, published on 11 Jun 2007.

Official description

The random number feature in Linux kernel 2.6 before 2.6.20.13, and 2.6.21.x before 2.6.21.4, (1) does not properly seed pools when there is no entropy, or (2) uses an incorrect cast when extracting entropy, which might cause the random number generator to provide the same values after reboots on systems without an entropy source.

Which versions are affected by CVE-2007-2453?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2007-2453?

Upgrade to a fixed version.

Is CVE-2007-2453 being exploited?

There is no known exploitation of CVE-2007-2453 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-hpwj-79q2-6jvm.