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{
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"data_version" : "4.0" ,
"data_type" : "CVE" ,
"data_format" : "MITRE" ,
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"CVE_data_meta" : {
"ID" : "CVE-2017-7495" ,
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"ASSIGNER" : "secalert@redhat.com" ,
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"STATE" : "PUBLIC"
} ,
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"description" : {
"description_data" : [
{
"lang" : "eng" ,
"value" : "A vulnerability was found in the Linux kernel where filesystems mounted with data=ordered mode may allow an attacker to read stale data from recently allocated blocks in new files after a system 'reset' by abusing ext4 mechanics of delayed allocation."
}
]
} ,
"problemtype" : {
"problemtype_data" : [
{
"description" : [
{
"lang" : "eng" ,
"value" : "Improper Initialization" ,
"cweId" : "CWE-665"
}
]
}
]
} ,
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"affects" : {
"vendor" : {
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{
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"vendor_name" : "Red Hat" ,
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"product" : {
"product_data" : [
{
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"product_name" : "Red Hat Enterprise Linux 7" ,
"version" : {
"version_data" : [
{
"version_value" : "0:3.10.0-693.rt56.617.el7" ,
"version_affected" : "!"
} ,
{
"version_value" : "0:3.10.0-693.el7" ,
"version_affected" : "!"
}
]
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} ,
{
"product_name" : "Red Hat Enterprise MRG 2" ,
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"version" : {
"version_data" : [
{
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"version_value" : "1:3.10.0-693.2.1.rt56.585.el6rt" ,
"version_affected" : "!"
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}
]
}
}
]
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}
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}
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} ,
"references" : {
"reference_data" : [
{
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"url" : "https://source.android.com/security/bulletin/2017-09-01" ,
"refsource" : "MISC" ,
"name" : "https://source.android.com/security/bulletin/2017-09-01"
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} ,
{
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"url" : "https://access.redhat.com/errata/RHSA-2017:2669" ,
"refsource" : "MISC" ,
"name" : "https://access.redhat.com/errata/RHSA-2017:2669"
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} ,
{
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"url" : "https://access.redhat.com/errata/RHSA-2017:1842" ,
"refsource" : "MISC" ,
"name" : "https://access.redhat.com/errata/RHSA-2017:1842"
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} ,
{
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"url" : "https://access.redhat.com/errata/RHSA-2017:2077" ,
"refsource" : "MISC" ,
"name" : "https://access.redhat.com/errata/RHSA-2017:2077"
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} ,
{
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"url" : "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=06bd3c36a733ac27962fea7d6f47168841376824" ,
"refsource" : "MISC" ,
"name" : "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=06bd3c36a733ac27962fea7d6f47168841376824"
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} ,
{
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"url" : "http://seclists.org/oss-sec/2017/q2/259" ,
"refsource" : "MISC" ,
"name" : "http://seclists.org/oss-sec/2017/q2/259"
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} ,
{
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"url" : "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.2" ,
"refsource" : "MISC" ,
"name" : "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.2"
} ,
{
"url" : "http://www.openwall.com/lists/oss-security/2017/05/15/2" ,
"refsource" : "MISC" ,
"name" : "http://www.openwall.com/lists/oss-security/2017/05/15/2"
} ,
{
"url" : "http://www.securityfocus.com/bid/98491" ,
"refsource" : "MISC" ,
"name" : "http://www.securityfocus.com/bid/98491"
} ,
{
"url" : "https://access.redhat.com/security/cve/CVE-2017-7495" ,
"refsource" : "MISC" ,
"name" : "https://access.redhat.com/security/cve/CVE-2017-7495"
} ,
{
"url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1450261" ,
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"name" : "https://bugzilla.redhat.com/show_bug.cgi?id=1450261"
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{
"url" : "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=06bd3c36a733ac27962fea7d6f47168841376824" ,
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"name" : "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=06bd3c36a733ac27962fea7d6f47168841376824"
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{
"url" : "https://github.com/torvalds/linux/commit/06bd3c36a733ac27962fea7d6f47168841376824" ,
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"name" : "https://github.com/torvalds/linux/commit/06bd3c36a733ac27962fea7d6f47168841376824"
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"work_around" : [
{
"lang" : "en" ,
"value" : "Alternative filesystems may be used in place of ext4 in case of sensitive data leak. Alternatively, don't hard reset the system."
}
] ,
"credits" : [
{
"lang" : "en" ,
"value" : "Red Hat would like to thank Takeshi Nishimura (NEC) for reporting this issue."
}
] ,
"impact" : {
"cvss" : [
{
"attackComplexity" : "LOW" ,
"attackVector" : "LOCAL" ,
"availabilityImpact" : "NONE" ,
"baseScore" : 6.2 ,
"baseSeverity" : "MEDIUM" ,
"confidentialityImpact" : "HIGH" ,
"integrityImpact" : "NONE" ,
"privilegesRequired" : "NONE" ,
"scope" : "UNCHANGED" ,
"userInteraction" : "NONE" ,
"vectorString" : "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N" ,
"version" : "3.0"
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}
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}