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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-2018-1093" ,
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"ASSIGNER" : "secalert@redhat.com" ,
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"STATE" : "PUBLIC"
} ,
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"description" : {
"description_data" : [
{
"lang" : "eng" ,
"value" : "The ext4_valid_block_bitmap function in fs/ext4/balloc.c in the Linux kernel through 4.15.15 allows attackers to cause a denial of service (out-of-bounds read and system crash) via a crafted ext4 image because balloc.c and ialloc.c do not validate bitmap block numbers."
}
]
} ,
"problemtype" : {
"problemtype_data" : [
{
"description" : [
{
"lang" : "eng" ,
"value" : "out-of-bounds read"
}
]
}
]
} ,
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"affects" : {
"vendor" : {
"vendor_data" : [
{
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"vendor_name" : "n/a" ,
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"product" : {
"product_data" : [
{
"product_name" : "Linux kernel through version 4.15" ,
"version" : {
"version_data" : [
{
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"version_affected" : "=" ,
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"version_value" : "Linux kernel through version 4.15"
}
]
}
}
]
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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://usn.ubuntu.com/3754-1/" ,
"refsource" : "MISC" ,
"name" : "https://usn.ubuntu.com/3754-1/"
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} ,
{
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"url" : "https://usn.ubuntu.com/3752-1/" ,
"refsource" : "MISC" ,
"name" : "https://usn.ubuntu.com/3752-1/"
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} ,
{
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"url" : "https://usn.ubuntu.com/3752-2/" ,
"refsource" : "MISC" ,
"name" : "https://usn.ubuntu.com/3752-2/"
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} ,
{
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"url" : "https://usn.ubuntu.com/3752-3/" ,
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"refsource" : "MISC" ,
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"name" : "https://usn.ubuntu.com/3752-3/"
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} ,
{
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"url" : "http://openwall.com/lists/oss-security/2018/03/29/1" ,
"refsource" : "MISC" ,
"name" : "http://openwall.com/lists/oss-security/2018/03/29/1"
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} ,
{
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"url" : "https://bugzilla.kernel.org/show_bug.cgi?id=199181" ,
"refsource" : "MISC" ,
"name" : "https://bugzilla.kernel.org/show_bug.cgi?id=199181"
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} ,
{
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"url" : "https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=7dac4a1726a9c64a517d595c40e95e2d0d135f6f" ,
"refsource" : "MISC" ,
"name" : "https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=7dac4a1726a9c64a517d595c40e95e2d0d135f6f"
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} ,
{
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"url" : "https://lists.debian.org/debian-lts-announce/2018/06/msg00000.html" ,
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"refsource" : "MISC" ,
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"name" : "https://lists.debian.org/debian-lts-announce/2018/06/msg00000.html"
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} ,
{
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"url" : "https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html" ,
"refsource" : "MISC" ,
"name" : "https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html"
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} ,
{
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"url" : "https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html" ,
"refsource" : "MISC" ,
"name" : "https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html"
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} ,
{
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"url" : "https://usn.ubuntu.com/3676-1/" ,
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"refsource" : "MISC" ,
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"name" : "https://usn.ubuntu.com/3676-1/"
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} ,
{
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"url" : "https://usn.ubuntu.com/3676-2/" ,
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"refsource" : "MISC" ,
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"name" : "https://usn.ubuntu.com/3676-2/"
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} ,
{
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"url" : "https://www.debian.org/security/2018/dsa-4188" ,
"refsource" : "MISC" ,
"name" : "https://www.debian.org/security/2018/dsa-4188"
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} ,
{
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"url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1560782" ,
"refsource" : "MISC" ,
"name" : "https://bugzilla.redhat.com/show_bug.cgi?id=1560782"
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}
]
}
}