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nvd-json-data-feeds/CVE-2019/CVE-2019-198xx/CVE-2019-19813.json
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{
"id": "CVE-2019-19813",
"sourceIdentifier": "cve@mitre.org",
"published": "2019-12-17T06:15:12.780",
"lastModified": "2021-03-12T16:11:33.803",
"vulnStatus": "Analyzed",
"cveTags": [],
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{
"lang": "en",
"value": "In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in __mutex_lock in kernel/locking/mutex.c. This is related to mutex_can_spin_on_owner in kernel/locking/mutex.c, __btrfs_qgroup_free_meta in fs/btrfs/qgroup.c, and btrfs_insert_delayed_items in fs/btrfs/delayed-inode.c."
},
{
"lang": "es",
"value": "En el kernel de Linux versi\u00f3n 5.0.21, montar una imagen de sistema de archivos btrfs especialmente dise\u00f1ada, realizar algunas operaciones y luego hacer una llamada al sistema syncfs puede conllevar a un uso de la memoria previamente liberada en la funci\u00f3n __mutex_lock en el archivo kernel/lock/mutex.c. Esto est\u00e1 relacionado con la funci\u00f3n mutex_can_spin_on_owner en el archivo kernel/lock/mutex.c, la funci\u00f3n __btrfs_qgroup_free_meta en el archivo fs/btrfs/qgroup.c y la funci\u00f3n btrfs_insert_delayed_items en el archivo fs/btrfs/delayed-inode.c."
}
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"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
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"baseScore": 5.5,
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