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{
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"data_type" : "CVE" ,
"data_format" : "MITRE" ,
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"ID" : "CVE-2024-49900" ,
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"ASSIGNER" : "cve@kernel.org" ,
"STATE" : "PUBLIC"
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} ,
"description" : {
"description_data" : [
{
"lang" : "eng" ,
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"value" : "In the Linux kernel, the following vulnerability has been resolved:\n\njfs: Fix uninit-value access of new_ea in ea_buffer\n\nsyzbot reports that lzo1x_1_do_compress is using uninit-value:\n\n=====================================================\nBUG: KMSAN: uninit-value in lzo1x_1_do_compress+0x19f9/0x2510 lib/lzo/lzo1x_compress.c:178\n\n...\n\nUninit was stored to memory at:\n ea_put fs/jfs/xattr.c:639 [inline]\n\n...\n\nLocal variable ea_buf created at:\n __jfs_setxattr+0x5d/0x1ae0 fs/jfs/xattr.c:662\n __jfs_xattr_set+0xe6/0x1f0 fs/jfs/xattr.c:934\n\n=====================================================\n\nThe reason is ea_buf->new_ea is not initialized properly.\n\nFix this by using memset to empty its content at the beginning\nin ea_get()."
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"problemtype" : {
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"description" : [
{
"lang" : "eng" ,
"value" : "n/a"
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"affects" : {
"vendor" : {
"vendor_data" : [
{
"vendor_name" : "Linux" ,
"product" : {
"product_data" : [
{
"product_name" : "Linux" ,
"version" : {
"version_data" : [
{
"version_affected" : "<" ,
"version_name" : "1da177e4c3f4" ,
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"version_value" : "7b24d41d47a6"
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} ,
{
"version_value" : "not down converted" ,
"x_cve_json_5_version_data" : {
"versions" : [
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{
"version" : "4.19.323" ,
"lessThanOrEqual" : "4.19.*" ,
"status" : "unaffected" ,
"versionType" : "semver"
} ,
{
"version" : "5.4.285" ,
"lessThanOrEqual" : "5.4.*" ,
"status" : "unaffected" ,
"versionType" : "semver"
} ,
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{
"version" : "5.10.227" ,
"lessThanOrEqual" : "5.10.*" ,
"status" : "unaffected" ,
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"versionType" : "semver"
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} ,
{
"version" : "5.15.168" ,
"lessThanOrEqual" : "5.15.*" ,
"status" : "unaffected" ,
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"versionType" : "semver"
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} ,
{
"version" : "6.1.113" ,
"lessThanOrEqual" : "6.1.*" ,
"status" : "unaffected" ,
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"versionType" : "semver"
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} ,
{
"version" : "6.6.55" ,
"lessThanOrEqual" : "6.6.*" ,
"status" : "unaffected" ,
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"versionType" : "semver"
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} ,
{
"version" : "6.10.14" ,
"lessThanOrEqual" : "6.10.*" ,
"status" : "unaffected" ,
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"versionType" : "semver"
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} ,
{
"version" : "6.11.3" ,
"lessThanOrEqual" : "6.11.*" ,
"status" : "unaffected" ,
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"versionType" : "semver"
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} ,
{
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"version" : "6.12" ,
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"lessThanOrEqual" : "*" ,
"status" : "unaffected" ,
"versionType" : "original_commit_for_fix"
}
] ,
"defaultStatus" : "affected"
}
}
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}
}
]
}
}
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}
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"references" : {
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{
"url" : "https://git.kernel.org/stable/c/7b24d41d47a6805c45378debf8bd115675d41da8" ,
"refsource" : "MISC" ,
"name" : "https://git.kernel.org/stable/c/7b24d41d47a6805c45378debf8bd115675d41da8"
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"refsource" : "MISC" ,
"name" : "https://git.kernel.org/stable/c/dac398ed272a378d2f42ac68ae408333a51baf52"
} ,
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{
"url" : "https://git.kernel.org/stable/c/8b1dcf25c26d42e4a68c4725ce52a0543c7878cc" ,
"refsource" : "MISC" ,
"name" : "https://git.kernel.org/stable/c/8b1dcf25c26d42e4a68c4725ce52a0543c7878cc"
} ,
{
"url" : "https://git.kernel.org/stable/c/d7444f91a9f93eaa48827087ed0f3381c194181d" ,
"refsource" : "MISC" ,
"name" : "https://git.kernel.org/stable/c/d7444f91a9f93eaa48827087ed0f3381c194181d"
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{
"url" : "https://git.kernel.org/stable/c/6041536d18c5f51a84bc37cd568cbab61870031e" ,
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"name" : "https://git.kernel.org/stable/c/6041536d18c5f51a84bc37cd568cbab61870031e"
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{
"url" : "https://git.kernel.org/stable/c/c076b3746224982eebdba5c9e4b1467e146c0d64" ,
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"name" : "https://git.kernel.org/stable/c/c076b3746224982eebdba5c9e4b1467e146c0d64"
} ,
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"url" : "https://git.kernel.org/stable/c/7c244d5b48284a770d96ff703df2dfeadf804a73" ,
"refsource" : "MISC" ,
"name" : "https://git.kernel.org/stable/c/7c244d5b48284a770d96ff703df2dfeadf804a73"
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"url" : "https://git.kernel.org/stable/c/8ad8b531de79c348bcb8133e7f5e827b884226af" ,
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"name" : "https://git.kernel.org/stable/c/8ad8b531de79c348bcb8133e7f5e827b884226af"
} ,
{
"url" : "https://git.kernel.org/stable/c/2b59ffad47db1c46af25ccad157bb3b25147c35c" ,
"refsource" : "MISC" ,
"name" : "https://git.kernel.org/stable/c/2b59ffad47db1c46af25ccad157bb3b25147c35c"
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}
]
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