CVE-2007-2453

/dev/random broken

Published Jun 11, 2007 CVSS 2.0 · 1.2 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-1356-1 New Linux 2.6.18 packages fix several vulnerabilities
EUVD EUVD EUVD-2007-2446 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.
Ubuntu USN Ubuntu USN USN-470-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-486-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-489-1 Linux kernel vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 7, 2024, 1:42 PM
Reserved
May 2, 2007, 12:00 AM
Status
Modified
Published
Jun 11, 2007, 11:30 PM
Modified
Jun 16, 2026, 10:39 PM
Severity
Important
Public date
May 30, 2007, 12:00 AM