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CVE-2009-3238 Details

Description

The get_random_int function in drivers/char/random.c in the Linux kernel before 2.6.30 produces insufficiently random numbers, which allows attackers to predict the return value, and possibly defeat protection mechanisms based on randomization, via vectors that leverage the function's tendency to "return the same value over and over again for long stretches of time."

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8a0a9bd4db63bc45e3017bedeafbd88d0eb84d02 CVEBroken Link
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html CVEMailing List
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html CVEMailing List
http://patchwork.kernel.org/patch/21766/ CVEBroken LinkPatch
https://bugzilla.redhat.com/show_bug.cgi?id=499785 CVEIssue TrackingPermissions Required

see all 26 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-338Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)[email protected]

Affected Products

ProductVersions
linux linux kernel
< 2.6.30

CPE

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
canonical ubuntu linux
6.06
8.04
8.10
9.04

CPE

  • cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:*
  • cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:*
  • cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:*
  • cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
opensuse opensuse
11.0

CPE

  • cpe:2.3:o:opensuse:opensuse:11.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
suse linux enterprise desktop
10 sp2

CPE

  • cpe:2.3:o:suse:linux_enterprise_desktop:10:sp2:*:*:*:*:*:*

Remediation

  • No remediation found in references.
suse linux enterprise server
10 sp2

CPE

  • cpe:2.3:o:suse:linux_enterprise_server:10:sp2:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

9 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2009-3238
NVD Published Date:
Sep 18, 2009
NVD Last Modified:
Jun 16, 2026
Source:
[email protected]
CVE-2009-3238 Details - Not Deferred