cvelist/2021/47xxx/CVE-2021-47507.json
2024-11-04 13:02:37 +00:00

134 lines
7.0 KiB
JSON

{
"data_version": "4.0",
"data_type": "CVE",
"data_format": "MITRE",
"CVE_data_meta": {
"ID": "CVE-2021-47507",
"ASSIGNER": "cve@kernel.org",
"STATE": "PUBLIC"
},
"description": {
"description_data": [
{
"lang": "eng",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: Fix nsfd startup race (again)\n\nCommit bd5ae9288d64 (\"nfsd: register pernet ops last, unregister first\")\nhas re-opened rpc_pipefs_event() race against nfsd_net_id registration\n(register_pernet_subsys()) which has been fixed by commit bb7ffbf29e76\n(\"nfsd: fix nsfd startup race triggering BUG_ON\").\n\nRestore the order of register_pernet_subsys() vs register_cld_notifier().\nAdd WARN_ON() to prevent a future regression.\n\nCrash info:\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000012\nCPU: 8 PID: 345 Comm: mount Not tainted 5.4.144-... #1\npc : rpc_pipefs_event+0x54/0x120 [nfsd]\nlr : rpc_pipefs_event+0x48/0x120 [nfsd]\nCall trace:\n rpc_pipefs_event+0x54/0x120 [nfsd]\n blocking_notifier_call_chain\n rpc_fill_super\n get_tree_keyed\n rpc_fs_get_tree\n vfs_get_tree\n do_mount\n ksys_mount\n __arm64_sys_mount\n el0_svc_handler\n el0_svc"
}
]
},
"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": [
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"version_affected": "<",
"version_name": "8677e99150b0",
"version_value": "f5734b1714ca"
},
{
"version_affected": "<",
"version_name": "7c7cb07d4aff",
"version_value": "c520943a00ad"
},
{
"version_affected": "<",
"version_name": "bd5ae9288d64",
"version_value": "8bf902fee589"
},
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"versions": [
{
"version": "5.12",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.12",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.4.165",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.85",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.8",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.16",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
],
"defaultStatus": "affected"
}
}
]
}
}
]
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}
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}
},
"references": {
"reference_data": [
{
"url": "https://git.kernel.org/stable/c/f5734b1714ca355703e9ea8fb61d04beff1790b9",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/f5734b1714ca355703e9ea8fb61d04beff1790b9"
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{
"url": "https://git.kernel.org/stable/c/c520943a00ad5015704969ad3304c956bcd49d25",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/c520943a00ad5015704969ad3304c956bcd49d25"
},
{
"url": "https://git.kernel.org/stable/c/8bf902fee5893cfc2f04a698abab47629699ae9a",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/8bf902fee5893cfc2f04a698abab47629699ae9a"
},
{
"url": "https://git.kernel.org/stable/c/b10252c7ae9c9d7c90552f88b544a44ee773af64",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/b10252c7ae9c9d7c90552f88b544a44ee773af64"
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