{"id":"CVE-2012-2100","state":"PUBLISHED","title":"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 ","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: this vulnerability exists because of an incomplete fix for CVE-2009-4307.","publishedAt":"2012-07-03T16:00:00.000Z","updatedAt":"2024-08-06T19:26:07.782Z","severity":null,"assigner":"redhat","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["http://rhn.redhat.com/errata/RHSA-2012-1580.html","https://bugzilla.redhat.com/show_bug.cgi?id=809687","http://rhn.redhat.com/errata/RHSA-2012-1445.html","http://www.securityfocus.com/bid/53414","http://www.openwall.com/lists/oss-security/2012/04/12/11","http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d50f2ab6f050311dbf7b8f5501b25f0bf64a439b","https://github.com/torvalds/linux/commit/d50f2ab6f050311dbf7b8f5501b25f0bf64a439b","http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2"],"weaknesses":[],"ingestedAt":"2026-10-29T19:40:19.239Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2012/2xxx/CVE-2012-2100.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2012-2100","state":"PUBLISHED","datePublished":"2012-07-03T16:00:00.000Z","dateUpdated":"2024-08-06T19:26:07.782Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2012-04-04T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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: this vulnerability exists because of an incomplete fix for CVE-2009-4307."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"http://rhn.redhat.com/errata/RHSA-2012-1580.html","name":"RHSA-2012:1580","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=809687","tags":["x_refsource_CONFIRM"]},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1445.html","name":"RHSA-2012:1445","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"http://www.securityfocus.com/bid/53414","name":"53414","tags":["vdb-entry","x_refsource_BID"]},{"url":"http://www.openwall.com/lists/oss-security/2012/04/12/11","name":"[oss-security] 20120412 Re: fix to CVE-2009-4307","tags":["mailing-list","x_refsource_MLIST"]},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d50f2ab6f050311dbf7b8f5501b25f0bf64a439b","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/torvalds/linux/commit/d50f2ab6f050311dbf7b8f5501b25f0bf64a439b","tags":["x_refsource_CONFIRM"]},{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2","tags":["x_refsource_CONFIRM"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2012-08-13T09:00:00.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"},"datePublic":"2012-01-25T00:00:00.000Z"},"adp":[{"title":"CVE Program Container","references":[{"url":"http://rhn.redhat.com/errata/RHSA-2012-1580.html","name":"RHSA-2012:1580","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=809687","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1445.html","name":"RHSA-2012:1445","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"http://www.securityfocus.com/bid/53414","name":"53414","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2012/04/12/11","name":"[oss-security] 20120412 Re: fix to CVE-2009-4307","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d50f2ab6f050311dbf7b8f5501b25f0bf64a439b","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/torvalds/linux/commit/d50f2ab6f050311dbf7b8f5501b25f0bf64a439b","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-06T19:26:07.782Z"}}]}}}