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CVE-2009-3238

19
FAUCET Score

CVE-2009-3238 describes a weakness in the Linux kernel's get_random_int function (before version 2.6.30), which generated insufficiently random numbers, making them predictable and potentially undermining randomization-based security features. This vulnerability, affecting Canonical, Linux, OpenSUSE, and SUSE distributions, carries a CVSS score of 5.5 (Medium) due to its local attack vector and low complexity, allowing an attacker to potentially gain high confidentiality impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.6.30CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
6.06CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:*
8.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:*
8.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:*
9.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.63%
Probability of exploitation in next 30 days
EPSS Percentile
73.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0163 is in the 98th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: MRG for RHEL-5Fixed in: kernel-rt-0:2.6.24.7-117.el5rt
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: kernel-0:2.6.9-89.0.11.EL
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel-0:2.6.18-128.1.14.el5
View patch

Vendor Advisories (1)

redhatCVE-2009-3238Important

kernel: random: add robust get_random_u32, remove weak get_random_int

May 5, 2009

References

git.kernel.org
Broken Link
lists.opensuse.org / opensuse-security-announce/2009-11/msg00005.html
Mailing List
lists.opensuse.org / opensuse-security-announce/2010-02/msg00005.html
Mailing List
patchwork.kernel.org / patch/21766
Broken LinkPatch
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPermissions Required
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPermissions Required
secunia.com / advisories/37105
Broken Link
secunia.com / advisories/37351
Broken Link
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11168
Broken Link
support.hpe.com / hpsc/doc/public/display
Third Party Advisory
kernel.org / pub/linux/kernel/v2.6/ChangeLog-2.6.30
Broken LinkExploitVendor Advisory
redhat.com / support/errata/RHSA-2009-1438.html
Broken Link
ubuntu.com / usn/USN-852-1
Third Party Advisory