Vulnerability in Linux Kernel
CVE-2009-0747
The ext4_isize function in fs/ext4/ext4.h in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 uses the i_size_high structure member during operations on arbitrary types of files, which allows local users to cause a denial of service (CPU consumption and error-message flood) by attempting to mount a crafted ext4 filesystem.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.9 (Medium). Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.004 (32.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.9% 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 — versions 2.6.27, 2.6.27.1, 2.6.27.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.19
- www.vupen.com/english/advisories/2009/0509 (vdb-entry, Vendor Advisory)
- secunia.com/advisories/37471 (third-party-advisory)
- rhn.redhat.com/errata/RHSA-2009-1243.html (vendor-advisory)
- git.kernel.org/
- www.vmware.com/security/advisories/VMSA-2009-0016.html
- www.debian.org/security/2009/dsa-1749 (vendor-advisory)
- www.ubuntu.com/usn/usn-751-1 (vendor-advisory)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:8585 (signature, vdb-entry)
- www.securityfocus.com/archive/1/507985/100/0/threaded (mailing-list)
Frequently asked questions
- What is CVE-2009-0747?
- CVE-2009-0747 is a vulnerability in Linux Kernel, classified under CWE-399. Published 2009-02-27.
- Is CVE-2009-0747 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.