CVE-2009-0745
The ext4_group_add function in fs/ext4/resize.c in the Linux kernel 2.6.27 before 2.6.27.19 and 2...
4.9 MediumFix available
The ext4_group_add function in fs/ext4/resize.c in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 does not properly initialize the group descriptor during a resize (aka resize2fs) operation, which might allow local users to cause a denial of service (OOPS) by arranging for crafted values to be present in available memory.
Exploit likelihood
0.41%Down 1.1 points since Feb 4, 2022
What each source reports
NVD Score used
The ext4_group_add function in fs/ext4/resize.c in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 does not properly initialize the group descriptor during a resize (aka resize2fs) operation, which might allow local users to cause a denial of service (OOPS) by arranging for crafted values to be present in available memory.
- Record
CVE-2009-0745- CVSS 2.0
- 4.9 Medium
AV:L/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
The ext4_group_add function in fs/ext4/resize.c in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 does not properly initialize the group descriptor during a resize (aka resize2fs) operation, which might allow local users to cause a denial of service (OOPS) by arranging for crafted values to be present in available memory.
- Record
CVE-2009-0745- Updated
- 2026-11-02
EUVDEUVD-2009-0745 No score
The ext4_group_add function in fs/ext4/resize.c in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 does not properly initialize the group descriptor during a resize (aka resize2fs) operation, which might allow local users to cause a denial of service (OOPS) by arranging for crafted values to be present in available memory.
- Record
EUVD-2009-0745- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pmh2-h42j-q27q No score
The ext4_group_add function in fs/ext4/resize.c in the Linux kernel 2.6.27 before 2.6.27.19 and 2...
The ext4_group_add function in fs/ext4/resize.c in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 does not properly initialize the group descriptor during a resize (aka resize2fs) operation, which might allow local users to cause a denial of service (OOPS) by arranging for crafted values to be present in available memory.
- Record
GHSA-pmh2-h42j-q27q- Weakness
- CWE-20
- Updated
- 2026-11-02
OSVBELL-CVE-2009-0745
CVE-2009-0745 does not affect BellSoft software
- Record
BELL-CVE-2009-0745- CVSS 2.0
- 4.9 Medium
AV:L/AC:L/Au:N/C:N/I:N/A:C - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
linux-2.6Debian:5.0 |
before 2.6.26-13lenny2, plus listed versions 2.6.26-132.6.26-13lenny2~bpo40+1 |
2.6.26-13lenny2 |
linux-2.6.24Debian:4.0 |
before 2.6.24-6~etchnhalf.8etch1, plus listed versions 2.6.24-5~etchnhalf.12.6.24-6~etchnhalf.12.6.24-6~etchnhalf.22.6.24-6~etchnhalf.32.6.24-6~etchnhalf.4 Show 4 moreShow less2.6.24-6~etchnhalf.52.6.24-6~etchnhalf.62.6.24-6~etchnhalf.72.6.24-6~etchnhalf.8 |
2.6.24-6~etchnhalf.8etch1 |
kernelRed Hat:enterprise_linux:5::client |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-PAERed Hat:enterprise_linux:5::client |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-PAE-debuginfoRed Hat:enterprise_linux:5::client |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-PAE-develRed Hat:enterprise_linux:5::client |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-debugRed Hat:enterprise_linux:5::client |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-debug-debuginfoRed Hat:enterprise_linux:5::client |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-debug-develRed Hat:enterprise_linux:5::client |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-debuginfoRed Hat:enterprise_linux:5::client |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
Show 25 moreShow less
| Package | Affected | Fixed |
|---|---|---|
kernel-debuginfo-commonRed Hat:enterprise_linux:5::client |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-develRed Hat:enterprise_linux:5::client |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-docRed Hat:enterprise_linux:5::client |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-headersRed Hat:enterprise_linux:5::client |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-xenRed Hat:enterprise_linux:5::client |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-xen-debuginfoRed Hat:enterprise_linux:5::client |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-xen-develRed Hat:enterprise_linux:5::client |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernelRed Hat:enterprise_linux:5::server |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-PAERed Hat:enterprise_linux:5::server |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-PAE-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-PAE-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-debugRed Hat:enterprise_linux:5::server |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-debug-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-debug-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-debuginfo-commonRed Hat:enterprise_linux:5::server |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-docRed Hat:enterprise_linux:5::server |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-headersRed Hat:enterprise_linux:5::server |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-kdumpRed Hat:enterprise_linux:5::server |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-kdump-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-kdump-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-xenRed Hat:enterprise_linux:5::server |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-xen-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
kernel-xen-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-164.el5 | 0:2.6.18-164.el5 |
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-2009-0745 is a medium vulnerability (CVSS 4.9) in Linux Kernel, published February 27, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. Fixed in linux-2.6 2.6.26-13lenny2.
References
kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.19
git.kernel.org?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fdff73f094e7220602cc3f8959c7230517976412
vupen.com/english/advisories/2009/0509
secunia.com/advisories/37471
rhn.redhat.com/errata/RHSA-2009-1243.html
vmware.com/security/advisories/VMSA-2009-0016.html
Show 194 moreShow less
debian.org/security/2009/dsa-1749
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7765
ubuntu.com/usn/usn-751-1
bugzilla.kernel.org/show_bug.cgi?id=12433
securityfocus.com/archive/1/507985/100/0/threaded
nvd.nist.gov/vuln/detail/CVE-2009-0745
github.com/advisories/GHSA-pmh2-h42j-q27q
docs.bell-sw.com/security/cves/CVE-2009-0745
access.redhat.com/errata/RHSA-2009:1243
bugzilla.redhat.com/show_bug.cgi?id=223947
redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/5.4/html/Release_Notes
security.access.redhat.com/data/csaf/v2/advisories/2009/rhsa-2009_1243.json
cve.org/CVERecord?id=CVE-2009-0745
This page doesn't list everything
Left out here: 203 references. The JSON record has them.