cvelist/2024/42xxx/CVE-2024-42315.json
2024-08-17 10:00:35 +00:00

113 lines
5.8 KiB
JSON

{
"data_version": "4.0",
"data_type": "CVE",
"data_format": "MITRE",
"CVE_data_meta": {
"ID": "CVE-2024-42315",
"ASSIGNER": "cve@kernel.org",
"STATE": "PUBLIC"
},
"description": {
"description_data": [
{
"lang": "eng",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nexfat: fix potential deadlock on __exfat_get_dentry_set\n\nWhen accessing a file with more entries than ES_MAX_ENTRY_NUM, the bh-array\nis allocated in __exfat_get_entry_set. The problem is that the bh-array is\nallocated with GFP_KERNEL. It does not make sense. In the following cases,\na deadlock for sbi->s_lock between the two processes may occur.\n\n CPU0 CPU1\n ---- ----\n kswapd\n balance_pgdat\n lock(fs_reclaim)\n exfat_iterate\n lock(&sbi->s_lock)\n exfat_readdir\n exfat_get_uniname_from_ext_entry\n exfat_get_dentry_set\n __exfat_get_dentry_set\n kmalloc_array\n ...\n lock(fs_reclaim)\n ...\n evict\n exfat_evict_inode\n lock(&sbi->s_lock)\n\nTo fix this, let's allocate bh-array with GFP_NOFS."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"affects": {
"vendor": {
"vendor_data": [
{
"vendor_name": "Linux",
"product": {
"product_data": [
{
"product_name": "Linux",
"version": {
"version_data": [
{
"version_affected": "<",
"version_name": "a3ff29a95fde",
"version_value": "a7ac198f8dba"
},
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"versions": [
{
"version": "6.2",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.2",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.6.44",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.10.3",
"lessThanOrEqual": "6.10.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.11-rc1",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
],
"defaultStatus": "affected"
}
}
]
}
}
]
}
}
]
}
},
"references": {
"reference_data": [
{
"url": "https://git.kernel.org/stable/c/a7ac198f8dba791e3144c4da48a5a9b95773ee4b",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/a7ac198f8dba791e3144c4da48a5a9b95773ee4b"
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{
"url": "https://git.kernel.org/stable/c/1d1970493c289e3f44b9ec847ed26a5dbdf56a62",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/1d1970493c289e3f44b9ec847ed26a5dbdf56a62"
},
{
"url": "https://git.kernel.org/stable/c/89fc548767a2155231128cb98726d6d2ea1256c9",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/89fc548767a2155231128cb98726d6d2ea1256c9"
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