What is CVE-2009-3620?

CVE-2009-3620 is a high-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 7.8/10. Published 2009-10-22.

How severe is CVE-2009-3620?

High severity. CVSS v3 base score is 7.8 out of 10.

NULL pointer dereference in Linux Kernel

CVE-2009-3620

The ATI Rage 128 (aka r128) driver in the Linux kernel before 2.6.31-git11 does not properly verify Concurrent Command Engine (CCE) state initialization, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly gain privileges via unspecified ioctl calls.

Published 2009-10-22 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (34.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Linux Kernel
Canonical Ubuntu Linux — versions 6.06, 8.04, 8.10
Fedoraproject Fedora — versions 10
openSUSE — versions 11.0
Red Hat Mrg Realtime — versions 1.0
SUSE Linux Enterprise Debuginfo — versions 10
SUSE Linux Enterprise Desktop — versions 10
SUSE Linux Enterprise Server — versions 8, 10

Weakness classification (CWE)

References

www.openwall.com/lists/oss-security/2009/10/19/3 (mailing-list, Patch, Mailing List)
www.redhat.com/support/errata/RHSA-2009-1671.html (vendor-advisory, Broken Link)
www.securityfocus.com/bid/36824 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:9891 (Broken Link, signature, vdb-entry)
rhn.redhat.com/errata/RHSA-2009-1540.html (vendor-advisory, Third Party Advisory)
bugzilla.redhat.com/show_bug.cgi (Issue Tracking)
lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html (vendor-advisory, Mailing List)
www.ubuntu.com/usn/usn-864-1 (vendor-advisory, Third Party Advisory)
secunia.com/advisories/38794 (Broken Link, third-party-advisory)
lists.vmware.com/pipermail/security-announce/2010/000082.html (mailing-list, Broken Link)

Frequently asked questions

What is CVE-2009-3620?: CVE-2009-3620 is a high-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 7.8/10. Published 2009-10-22.
How severe is CVE-2009-3620?: High severity. CVSS v3 base score is 7.8 out of 10.