Vulnerability in Linux Kernel
CVE-2009-4307
The ext4_fill_flex_info function in fs/ext4/super.c in the Linux kernel before 2.6.32-git6 allows user-assisted remote attackers to cause a denial of service (divide-by-zero error and panic) via a malformed ext4 filesystem containing a super block with a large FLEX_BG group size (aka s_log_groups_per_flex value).
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.1 (High). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.034 (88.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.034 · newest: 0.034 · change: 0.000
Affected products
- Linux Kernel — versions 2.6.0, 2.6.1, 2.6.2
Weakness classification (CWE)
References
- secunia.com/advisories/38276 (third-party-advisory)
- git.kernel.org/
- lkml.org/lkml/2009/12/9/255 (mailing-list)
- www.redhat.com/support/errata/RHSA-2010-0380.html (vendor-advisory)
- www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.32-git6.log (Patch)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:9874 (signature, vdb-entry)
- lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html (vendor-advisory)
- bugzilla.kernel.org/show_bug.cgi (Exploit, Patch)
- secunia.com/advisories/37658 (Vendor Advisory, third-party-advisory)
- lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.html (vendor-advisory)