{ "data_type": "CVE", "data_format": "MITRE", "data_version": "4.0", "CVE_data_meta": { "ID": "CVE-2021-3506", "ASSIGNER": "secalert@redhat.com", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "n/a", "product": { "product_data": [ { "product_name": "kernel", "version": { "version_data": [ { "version_value": "kernel 5.12.0-rc4" } ] } } ] } } ] } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-125" } ] } ] }, "references": { "reference_data": [ { "refsource": "MISC", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1944298", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1944298" }, { "refsource": "MISC", "name": "https://www.openwall.com/lists/oss-security/2021/03/28/2", "url": "https://www.openwall.com/lists/oss-security/2021/03/28/2" }, { "refsource": "MISC", "name": "https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg2520013.html", "url": "https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg2520013.html" }, { "refsource": "MLIST", "name": "[oss-security] 20210508 Re: Linux kernel: f2fs: out-of-bounds memory access bug", "url": "http://www.openwall.com/lists/oss-security/2021/05/08/1" }, { "refsource": "CONFIRM", "name": "https://security.netapp.com/advisory/ntap-20210611-0007/", "url": "https://security.netapp.com/advisory/ntap-20210611-0007/" }, { "refsource": "MLIST", "name": "[debian-lts-announce] 20210623 [SECURITY] [DLA 2690-1] linux-4.19 security update", "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html" } ] }, "description": { "description_data": [ { "lang": "eng", "value": "An out-of-bounds (OOB) memory access flaw was found in fs/f2fs/node.c in the f2fs module in the Linux kernel in versions before 5.12.0-rc4. A bounds check failure allows a local attacker to gain access to out-of-bounds memory leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability." } ] } }