PRIOn knowledge basePRION:CVE-2009-4307Denial of service
6.2 Medium
AI Score
Confidence
Low
7.1 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
0.029 Low
EPSS
Percentile
90.5%
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).
References
bugzilla.kernel.org/show_bug.cgi?id=14287
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=503358ae01b70ce6909d19dd01287093f6b6271c
lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html
lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.html
lkml.org/lkml/2009/12/9/255
secunia.com/advisories/37658
secunia.com/advisories/38017
secunia.com/advisories/38276
www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.32-git6.log
www.mandriva.com/security/advisories?name=MDVSA-2011:029
www.redhat.com/support/errata/RHSA-2010-0380.html
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9874
Related
6.2 Medium
AI Score
Confidence
Low
7.1 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
0.029 Low
EPSS
Percentile
90.5%