CVE-2009-4027
Race condition in the mac80211 subsystem in the Linux kernel before 2.6.32-rc8-next-20091201...
7.1 HighFix available
Race condition in the mac80211 subsystem in the Linux kernel before 2.6.32-rc8-next-20091201 allows remote attackers to cause a denial of service (system crash) via a Delete Block ACK (aka DELBA) packet that triggers a certain state change in the absence of an aggregation session.
Exploit likelihood
2.29%Up 0.1 points since Feb 4, 2022
What each source reports
NVD Score used
Race condition in the mac80211 subsystem in the Linux kernel before 2.6.32-rc8-next-20091201 allows remote attackers to cause a denial of service (system crash) via a Delete Block ACK (aka DELBA) packet that triggers a certain state change in the absence of an aggregation session.
- Record
CVE-2009-4027- CVSS 2.0
- 7.1 High
AV:N/AC:M/Au:N/C:N/I:N/A:C - Weakness
- CWE-362
- Updated
- 2026-11-02
CVE List No score
Race condition in the mac80211 subsystem in the Linux kernel before 2.6.32-rc8-next-20091201 allows remote attackers to cause a denial of service (system crash) via a Delete Block ACK (aka DELBA) packet that triggers a certain state change in the absence of an aggregation session.
- Record
CVE-2009-4027- Updated
- 2026-11-02
EUVDEUVD-2009-3998 No score
Race condition in the mac80211 subsystem in the Linux kernel before 2.6.32-rc8-next-20091201 allows remote attackers to cause a denial of service (system crash) via a Delete Block ACK (aka DELBA) packet that triggers a certain state change in the absence of an aggregation session.
- Record
EUVD-2009-3998- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-239g-crqj-qcfp No score
Race condition in the mac80211 subsystem in the Linux kernel before 2.6.32-rc8-next-20091201...
Race condition in the mac80211 subsystem in the Linux kernel before 2.6.32-rc8-next-20091201 allows remote attackers to cause a denial of service (system crash) via a Delete Block ACK (aka DELBA) packet that triggers a certain state change in the absence of an aggregation session.
- Record
GHSA-239g-crqj-qcfp- Weakness
- CWE-362
- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10128-1 No score
kernel-debug-4.8.13-1.1 on GA media
These are all security issues fixed in the kernel-debug-4.8.13-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10128-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
linux-2.6Debian:5.0 |
before 2.6.26-21lenny3, plus listed versions 2.6.26-132.6.26-13lenny22.6.26-13lenny2~bpo40+12.6.26-142.6.26-15 Show 22 moreShow less2.6.26-15lenny12.6.26-15lenny22.6.26-15lenny32.6.26-15~bpo40+12.6.26-15~bpo40+22.6.26-162.6.26-172.6.26-17lenny12.6.26-17lenny22.6.26-17lenny2~bpo40+12.6.26-17~bpo40+12.6.26-182.6.26-192.6.26-19lenny12.6.26-19lenny22.6.26-19~bpo40+12.6.26-202.6.26-20~bpo40+12.6.26-212.6.26-21lenny12.6.26-21lenny22.6.26-21~bpo40+1 |
2.6.26-21lenny3 |
linux-2.6Debian:6.0 |
before 2.6.30-8squeeze1 | 2.6.30-8squeeze1 |
kernelRed Hat:enterprise_linux:5::client |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-PAERed Hat:enterprise_linux:5::client |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-PAE-debuginfoRed Hat:enterprise_linux:5::client |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-PAE-develRed Hat:enterprise_linux:5::client |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-debugRed Hat:enterprise_linux:5::client |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-debug-debuginfoRed Hat:enterprise_linux:5::client |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-debug-develRed Hat:enterprise_linux:5::client |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-debuginfoRed Hat:enterprise_linux:5::client |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
Show 41 moreShow less
| Package | Affected | Fixed |
|---|---|---|
kernel-debuginfo-commonRed Hat:enterprise_linux:5::client |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-develRed Hat:enterprise_linux:5::client |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-docRed Hat:enterprise_linux:5::client |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-xenRed Hat:enterprise_linux:5::client |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-xen-debuginfoRed Hat:enterprise_linux:5::client |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-xen-develRed Hat:enterprise_linux:5::client |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernelRed Hat:enterprise_linux:5::server |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-PAERed Hat:enterprise_linux:5::server |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-PAE-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-PAE-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-debugRed Hat:enterprise_linux:5::server |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-debug-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-debug-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-debuginfo-commonRed Hat:enterprise_linux:5::server |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-docRed Hat:enterprise_linux:5::server |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-kdumpRed Hat:enterprise_linux:5::server |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-kdump-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-kdump-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-xenRed Hat:enterprise_linux:5::server |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-xen-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernel-xen-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-194.el5 | 0:2.6.18-194.el5 |
kernelRed Hat:rhel_eus:5.4 |
before 0:2.6.18-164.17.1.el5 | 0:2.6.18-164.17.1.el5 |
kernel-PAERed Hat:rhel_eus:5.4 |
before 0:2.6.18-164.17.1.el5 | 0:2.6.18-164.17.1.el5 |
kernel-PAE-debuginfoRed Hat:rhel_eus:5.4 |
before 0:2.6.18-164.17.1.el5 | 0:2.6.18-164.17.1.el5 |
kernel-PAE-develRed Hat:rhel_eus:5.4 |
before 0:2.6.18-164.17.1.el5 | 0:2.6.18-164.17.1.el5 |
kernel-debugRed Hat:rhel_eus:5.4 |
before 0:2.6.18-164.17.1.el5 | 0:2.6.18-164.17.1.el5 |
kernel-debug-debuginfoRed Hat:rhel_eus:5.4 |
before 0:2.6.18-164.17.1.el5 | 0:2.6.18-164.17.1.el5 |
kernel-debug-develRed Hat:rhel_eus:5.4 |
before 0:2.6.18-164.17.1.el5 | 0:2.6.18-164.17.1.el5 |
kernel-debuginfoRed Hat:rhel_eus:5.4 |
before 0:2.6.18-164.17.1.el5 | 0:2.6.18-164.17.1.el5 |
kernel-debuginfo-commonRed Hat:rhel_eus:5.4 |
before 0:2.6.18-164.17.1.el5 | 0:2.6.18-164.17.1.el5 |
kernel-develRed Hat:rhel_eus:5.4 |
before 0:2.6.18-164.17.1.el5 | 0:2.6.18-164.17.1.el5 |
kernel-docRed Hat:rhel_eus:5.4 |
before 0:2.6.18-164.17.1.el5 | 0:2.6.18-164.17.1.el5 |
kernel-kdumpRed Hat:rhel_eus:5.4 |
before 0:2.6.18-164.17.1.el5 | 0:2.6.18-164.17.1.el5 |
kernel-kdump-debuginfoRed Hat:rhel_eus:5.4 |
before 0:2.6.18-164.17.1.el5 | 0:2.6.18-164.17.1.el5 |
kernel-kdump-develRed Hat:rhel_eus:5.4 |
before 0:2.6.18-164.17.1.el5 | 0:2.6.18-164.17.1.el5 |
kernel-xenRed Hat:rhel_eus:5.4 |
before 0:2.6.18-164.17.1.el5 | 0:2.6.18-164.17.1.el5 |
kernel-xen-debuginfoRed Hat:rhel_eus:5.4 |
before 0:2.6.18-164.17.1.el5 | 0:2.6.18-164.17.1.el5 |
kernel-xen-develRed Hat:rhel_eus:5.4 |
before 0:2.6.18-164.17.1.el5 | 0:2.6.18-164.17.1.el5 |
kernel-sourceopenSUSE:Tumbleweed |
before 4.8.13-1.1 | 4.8.13-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-4027 is a high vulnerability (CVSS 7.1) in Linux Kernel, published December 2, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.29%, the 83rd percentile. Fixed in linux-2.6 2.6.26-21lenny3.
References
securityfocus.com/bid/37170
redhat.com/support/errata/RHSA-2010-0380.html
ubuntu.com/usn/usn-864-1
lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html
debian.org/security/2010/dsa-1996
bugzilla.redhat.com/show_bug.cgi?id=541149
Show 194 moreShow less
kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.32-rc8-next-20091201.gz
git.kernel.org?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=827d42c9ac91ddd728e4f4a31fefb906ef2ceff7
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11583
secunia.com/advisories/38017
nvd.nist.gov/vuln/detail/CVE-2009-4027
access.redhat.com/errata/RHSA-2010:0178
github.com/advisories/GHSA-239g-crqj-qcfp
security.access.redhat.com/data/csaf/v2/advisories/2010/rhsa-2010_0178.json
cve.org/CVERecord?id=CVE-2009-4027
suse.com/security/cve/CVE-2009-3939
This page doesn't list everything
Left out here: 182 references. The JSON record has them.