CVE-2012-2100

CVE Details

Release Date:2012-01-10

Description


The ext4_fill_flex_info function in fs/ext4/super.c in the Linux kernel before 3.2.2, on the x86 platform and unspecified other platforms, allows user-assisted remote attackers to trigger inconsistent filesystem-groups data and possibly cause a denial of service via a malformed ext4 filesystem containing a super block with a large FLEX_BG group size (aka s_log_groups_per_flex value). NOTE

See more information about CVE-2012-2100 from MITRE CVE dictionary and NIST NVD


CVSS v2.0 metrics


NOTE: The following CVSS v2.0 metrics and score provided are preliminary and subject to review.

Base Score: 4 Base Metrics: AV:L/AC:H/Au:N/C:N/I:N/A:C
Access Vector: Local network Attack Complexity: High
Authentication: None required Confidentiality Impact: None
Integrity Impact: None Availability Impact: Complete

Errata information


PlatformErrataRelease Date
Oracle Linux version 5 (kernel)ELSA-2012-14452012-11-13
Oracle Linux version 5 (kernel)ELSA-2012-1445-12012-11-13
Oracle Linux version 5 (kernel-uek)ELSA-2012-20482012-12-20
Oracle Linux version 5 (mlnx_en-2.6.32-300.39.2.el5uek)ELSA-2012-20482012-12-20
Oracle Linux version 5 (ocfs2-2.6.18-308.20.1.0.1.el5)ELSA-2012-1445-12012-11-13
Oracle Linux version 5 (ocfs2-2.6.18-308.20.1.el5)ELSA-2012-14452012-11-13
Oracle Linux version 5 (ofa-2.6.32-300.39.2.el5uek)ELSA-2012-20482012-12-20
Oracle Linux version 5 (oracleasm-2.6.18-308.20.1.0.1.el5)ELSA-2012-1445-12012-11-13
Oracle Linux version 5 (oracleasm-2.6.18-308.20.1.el5)ELSA-2012-14452012-11-13
Oracle Linux version 6 (kernel)ELSA-2012-15802012-12-19
Oracle Linux version 6 (kernel-uek)ELSA-2012-20482012-12-20
Oracle Linux version 6 (mlnx_en-2.6.32-300.39.2.el6uek)ELSA-2012-20482012-12-20
Oracle Linux version 6 (ofa-2.6.32-300.39.2.el6uek)ELSA-2012-20482012-12-20



This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team

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