CVE-2007-2453 Affecting kernel-xen-devel package, versions <0:2.6.18-8.1.6.0.1.el5


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.21% (59th percentile)

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  • Snyk IDSNYK-ORACLE5-KERNELXENDEVEL-2447073
  • published10 Apr 2022
  • disclosed11 Jun 2007

Introduced: 11 Jun 2007

CVE-2007-2453  (opens in a new tab)

How to fix?

Upgrade Oracle:5 kernel-xen-devel to version 0:2.6.18-8.1.6.0.1.el5 or higher.
This issue was patched in ELSA-2007-0376.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-xen-devel package and not the kernel-xen-devel package as distributed by Oracle. See How to fix? for Oracle:5 relevant fixed versions and status.

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.

CVSS Scores

version 3.1