CVE-2011-3638
fs/ext4/extents.c in the Linux kernel before 3.0 does not mark a modified extent as dirty in...
4.0 MediumFix available
fs/ext4/extents.c in the Linux kernel before 3.0 does not mark a modified extent as dirty in certain cases of extent splitting, which allows local users to cause a denial of service (system crash) via vectors involving ext4 umount and mount operations.
Exploit likelihood
0.36%Down 0.6 points since Feb 4, 2022
What each source reports
NVD Score used
fs/ext4/extents.c in the Linux kernel before 3.0 does not mark a modified extent as dirty in certain cases of extent splitting, which allows local users to cause a denial of service (system crash) via vectors involving ext4 umount and mount operations.
- Record
CVE-2011-3638- CVSS 2.0
- 4.0 Medium
AV:L/AC:H/Au:N/C:N/I:N/A:C - Updated
- 2026-11-02
CVE List No score
fs/ext4/extents.c in the Linux kernel before 3.0 does not mark a modified extent as dirty in certain cases of extent splitting, which allows local users to cause a denial of service (system crash) via vectors involving ext4 umount and mount operations.
- Record
CVE-2011-3638- Updated
- 2026-11-02
EUVDEUVD-2011-3597 No score
fs/ext4/extents.c in the Linux kernel before 3.0 does not mark a modified extent as dirty in certain cases of extent splitting, which allows local users to cause a denial of service (system crash) via vectors involving ext4 umount and mount operations.
- Record
EUVD-2011-3597- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fq63-9c29-w9fw No score
fs/ext4/extents.c in the Linux kernel before 3.0 does not mark a modified extent as dirty in...
fs/ext4/extents.c in the Linux kernel before 3.0 does not mark a modified extent as dirty in certain cases of extent splitting, which allows local users to cause a denial of service (system crash) via vectors involving ext4 umount and mount operations.
- Record
GHSA-fq63-9c29-w9fw- Updated
- 2026-11-02
OSVUBUNTU-CVE-2011-3638 No score
fs/ext4/extents.c in the Linux kernel before 3.0 does not mark a modified extent as dirty in certain cases of extent splitting, which allows local users to cause a denial of service (system crash) via vectors involving ext4 umount and mount operations.
- Record
UBUNTU-CVE-2011-3638- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
kernelRed Hat:enterprise_linux:6::client |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debug-debuginfoRed Hat:enterprise_linux:6::client |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debuginfoRed Hat:enterprise_linux:6::client |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debuginfo-common-i686Red Hat:enterprise_linux:6::client |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debuginfo-common-x86_64Red Hat:enterprise_linux:6::client |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
perf-debuginfoRed Hat:enterprise_linux:6::client |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
python-perfRed Hat:enterprise_linux:6::client |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debugRed Hat:enterprise_linux:6::client |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debug-develRed Hat:enterprise_linux:6::client |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-develRed Hat:enterprise_linux:6::client |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
Show 121 moreShow less
| Package | Affected | Fixed |
|---|---|---|
kernel-docRed Hat:enterprise_linux:6::client |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-firmwareRed Hat:enterprise_linux:6::client |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-headersRed Hat:enterprise_linux:6::client |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
perfRed Hat:enterprise_linux:6::client |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernelRed Hat:enterprise_linux:6::computenode |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debug-debuginfoRed Hat:enterprise_linux:6::computenode |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debuginfoRed Hat:enterprise_linux:6::computenode |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debuginfo-common-x86_64Red Hat:enterprise_linux:6::computenode |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
perf-debuginfoRed Hat:enterprise_linux:6::computenode |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
python-perfRed Hat:enterprise_linux:6::computenode |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debugRed Hat:enterprise_linux:6::computenode |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debug-develRed Hat:enterprise_linux:6::computenode |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-develRed Hat:enterprise_linux:6::computenode |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-docRed Hat:enterprise_linux:6::computenode |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-firmwareRed Hat:enterprise_linux:6::computenode |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-headersRed Hat:enterprise_linux:6::computenode |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
perfRed Hat:enterprise_linux:6::computenode |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernelRed Hat:enterprise_linux:6::server |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debug-debuginfoRed Hat:enterprise_linux:6::server |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debuginfoRed Hat:enterprise_linux:6::server |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debuginfo-common-i686Red Hat:enterprise_linux:6::server |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debuginfo-common-ppc64Red Hat:enterprise_linux:6::server |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debuginfo-common-s390xRed Hat:enterprise_linux:6::server |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debuginfo-common-x86_64Red Hat:enterprise_linux:6::server |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-kdump-debuginfoRed Hat:enterprise_linux:6::server |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
perf-debuginfoRed Hat:enterprise_linux:6::server |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
python-perfRed Hat:enterprise_linux:6::server |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-bootwrapperRed Hat:enterprise_linux:6::server |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debugRed Hat:enterprise_linux:6::server |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debug-develRed Hat:enterprise_linux:6::server |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-develRed Hat:enterprise_linux:6::server |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-docRed Hat:enterprise_linux:6::server |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-firmwareRed Hat:enterprise_linux:6::server |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-headersRed Hat:enterprise_linux:6::server |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-kdumpRed Hat:enterprise_linux:6::server |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-kdump-develRed Hat:enterprise_linux:6::server |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
perfRed Hat:enterprise_linux:6::server |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernelRed Hat:enterprise_linux:6::workstation |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debug-debuginfoRed Hat:enterprise_linux:6::workstation |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debuginfoRed Hat:enterprise_linux:6::workstation |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debuginfo-common-i686Red Hat:enterprise_linux:6::workstation |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debuginfo-common-x86_64Red Hat:enterprise_linux:6::workstation |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
perf-debuginfoRed Hat:enterprise_linux:6::workstation |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
python-perfRed Hat:enterprise_linux:6::workstation |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debugRed Hat:enterprise_linux:6::workstation |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-debug-develRed Hat:enterprise_linux:6::workstation |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-develRed Hat:enterprise_linux:6::workstation |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-docRed Hat:enterprise_linux:6::workstation |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-firmwareRed Hat:enterprise_linux:6::workstation |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernel-headersRed Hat:enterprise_linux:6::workstation |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
perfRed Hat:enterprise_linux:6::workstation |
before 0:2.6.32-220.el6 | 0:2.6.32-220.el6 |
kernelRed Hat:enterprise_linux:5::client |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-PAERed Hat:enterprise_linux:5::client |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-PAE-debuginfoRed Hat:enterprise_linux:5::client |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-PAE-develRed Hat:enterprise_linux:5::client |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-debugRed Hat:enterprise_linux:5::client |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-debug-debuginfoRed Hat:enterprise_linux:5::client |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-debug-develRed Hat:enterprise_linux:5::client |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-debuginfoRed Hat:enterprise_linux:5::client |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-debuginfo-commonRed Hat:enterprise_linux:5::client |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-develRed Hat:enterprise_linux:5::client |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-docRed Hat:enterprise_linux:5::client |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-headersRed Hat:enterprise_linux:5::client |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-xenRed Hat:enterprise_linux:5::client |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-xen-debuginfoRed Hat:enterprise_linux:5::client |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-xen-develRed Hat:enterprise_linux:5::client |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernelRed Hat:enterprise_linux:5::server |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-PAERed Hat:enterprise_linux:5::server |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-PAE-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-PAE-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-debugRed Hat:enterprise_linux:5::server |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-debug-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-debug-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-debuginfo-commonRed Hat:enterprise_linux:5::server |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-docRed Hat:enterprise_linux:5::server |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-headersRed Hat:enterprise_linux:5::server |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-kdumpRed Hat:enterprise_linux:5::server |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-kdump-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-kdump-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-xenRed Hat:enterprise_linux:5::server |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-xen-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernel-xen-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-274.18.1.el5 | 0:2.6.18-274.18.1.el5 |
kernelRed Hat:rhel_eus:6.1 |
before 0:2.6.32-131.25.1.el6 | 0:2.6.32-131.25.1.el6 |
kernel-bootwrapperRed Hat:rhel_eus:6.1 |
before 0:2.6.32-131.25.1.el6 | 0:2.6.32-131.25.1.el6 |
kernel-debugRed Hat:rhel_eus:6.1 |
before 0:2.6.32-131.25.1.el6 | 0:2.6.32-131.25.1.el6 |
kernel-debug-debuginfoRed Hat:rhel_eus:6.1 |
before 0:2.6.32-131.25.1.el6 | 0:2.6.32-131.25.1.el6 |
kernel-debug-develRed Hat:rhel_eus:6.1 |
before 0:2.6.32-131.25.1.el6 | 0:2.6.32-131.25.1.el6 |
kernel-debuginfoRed Hat:rhel_eus:6.1 |
before 0:2.6.32-131.25.1.el6 | 0:2.6.32-131.25.1.el6 |
kernel-debuginfo-common-i686Red Hat:rhel_eus:6.1 |
before 0:2.6.32-131.25.1.el6 | 0:2.6.32-131.25.1.el6 |
kernel-debuginfo-common-ppc64Red Hat:rhel_eus:6.1 |
before 0:2.6.32-131.25.1.el6 | 0:2.6.32-131.25.1.el6 |
kernel-debuginfo-common-s390xRed Hat:rhel_eus:6.1 |
before 0:2.6.32-131.25.1.el6 | 0:2.6.32-131.25.1.el6 |
kernel-debuginfo-common-x86_64Red Hat:rhel_eus:6.1 |
before 0:2.6.32-131.25.1.el6 | 0:2.6.32-131.25.1.el6 |
kernel-develRed Hat:rhel_eus:6.1 |
before 0:2.6.32-131.25.1.el6 | 0:2.6.32-131.25.1.el6 |
kernel-docRed Hat:rhel_eus:6.1 |
before 0:2.6.32-131.25.1.el6 | 0:2.6.32-131.25.1.el6 |
kernel-firmwareRed Hat:rhel_eus:6.1 |
before 0:2.6.32-131.25.1.el6 | 0:2.6.32-131.25.1.el6 |
kernel-headersRed Hat:rhel_eus:6.1 |
before 0:2.6.32-131.25.1.el6 | 0:2.6.32-131.25.1.el6 |
kernel-kdumpRed Hat:rhel_eus:6.1 |
before 0:2.6.32-131.25.1.el6 | 0:2.6.32-131.25.1.el6 |
kernel-kdump-debuginfoRed Hat:rhel_eus:6.1 |
before 0:2.6.32-131.25.1.el6 | 0:2.6.32-131.25.1.el6 |
kernel-kdump-develRed Hat:rhel_eus:6.1 |
before 0:2.6.32-131.25.1.el6 | 0:2.6.32-131.25.1.el6 |
perfRed Hat:rhel_eus:6.1 |
before 0:2.6.32-131.25.1.el6 | 0:2.6.32-131.25.1.el6 |
perf-debuginfoRed Hat:rhel_eus:6.1 |
before 0:2.6.32-131.25.1.el6 | 0:2.6.32-131.25.1.el6 |
kernelRed Hat:rhel_eus:5.6 |
before 0:2.6.18-238.37.1.el5 | 0:2.6.18-238.37.1.el5 |
kernel-PAERed Hat:rhel_eus:5.6 |
before 0:2.6.18-238.37.1.el5 | 0:2.6.18-238.37.1.el5 |
kernel-PAE-debuginfoRed Hat:rhel_eus:5.6 |
before 0:2.6.18-238.37.1.el5 | 0:2.6.18-238.37.1.el5 |
kernel-PAE-develRed Hat:rhel_eus:5.6 |
before 0:2.6.18-238.37.1.el5 | 0:2.6.18-238.37.1.el5 |
kernel-debugRed Hat:rhel_eus:5.6 |
before 0:2.6.18-238.37.1.el5 | 0:2.6.18-238.37.1.el5 |
kernel-debug-debuginfoRed Hat:rhel_eus:5.6 |
before 0:2.6.18-238.37.1.el5 | 0:2.6.18-238.37.1.el5 |
kernel-debug-develRed Hat:rhel_eus:5.6 |
before 0:2.6.18-238.37.1.el5 | 0:2.6.18-238.37.1.el5 |
kernel-debuginfoRed Hat:rhel_eus:5.6 |
before 0:2.6.18-238.37.1.el5 | 0:2.6.18-238.37.1.el5 |
kernel-debuginfo-commonRed Hat:rhel_eus:5.6 |
before 0:2.6.18-238.37.1.el5 | 0:2.6.18-238.37.1.el5 |
kernel-develRed Hat:rhel_eus:5.6 |
before 0:2.6.18-238.37.1.el5 | 0:2.6.18-238.37.1.el5 |
kernel-docRed Hat:rhel_eus:5.6 |
before 0:2.6.18-238.37.1.el5 | 0:2.6.18-238.37.1.el5 |
kernel-headersRed Hat:rhel_eus:5.6 |
before 0:2.6.18-238.37.1.el5 | 0:2.6.18-238.37.1.el5 |
kernel-kdumpRed Hat:rhel_eus:5.6 |
before 0:2.6.18-238.37.1.el5 | 0:2.6.18-238.37.1.el5 |
kernel-kdump-debuginfoRed Hat:rhel_eus:5.6 |
before 0:2.6.18-238.37.1.el5 | 0:2.6.18-238.37.1.el5 |
kernel-kdump-develRed Hat:rhel_eus:5.6 |
before 0:2.6.18-238.37.1.el5 | 0:2.6.18-238.37.1.el5 |
kernel-xenRed Hat:rhel_eus:5.6 |
before 0:2.6.18-238.37.1.el5 | 0:2.6.18-238.37.1.el5 |
kernel-xen-debuginfoRed Hat:rhel_eus:5.6 |
before 0:2.6.18-238.37.1.el5 | 0:2.6.18-238.37.1.el5 |
kernel-xen-develRed Hat:rhel_eus:5.6 |
before 0:2.6.18-238.37.1.el5 | 0:2.6.18-238.37.1.el5 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| 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-2011-3638 is a medium vulnerability (CVSS 4.0) in Linux Kernel, published October 28, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 29th percentile. Fixed in kernel 0:2.6.32-220.el6.
References
github.com/torvalds/linux/commit/667eff35a1f56fa74ce98a0c7c29a40adc1ba4e3
openwall.com/lists/oss-security/2011/10/24/2
git.kernel.org?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=667eff35a1f56fa74ce98a0c7c29a40adc1ba4e3
ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0
bugzilla.redhat.com/show_bug.cgi?id=747942
nvd.nist.gov/vuln/detail/CVE-2011-3638
Show 194 moreShow less
access.redhat.com/errata/RHSA-2011:1530
docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html-single/6.2_Release_Notes/index.html
security.access.redhat.com/data/csaf/v2/advisories/2011/rhsa-2011_1530.json
cve.org/CVERecord?id=CVE-2011-1020
ubuntu.com/security/CVE-2011-3638
This page doesn't list everything
Left out here: 8 references. The JSON record has them.