A NULL pointer dereference vulnerability in the function nfcgenldeactivate_target() in net/nfc/netlink.c in the Linux kernel before 5.1.13 can be triggered by a malicious user-mode program that omits certain NFC attributes, leading to denial of service.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-12984.json"
[
{
"id": "CVE-2019-12984-554c3c8d",
"source": "https://github.com/torvalds/linux/commit/385097a3675749cbc9e97c085c0e5dfe4269ca51",
"target": {
"file": "net/nfc/netlink.c"
},
"signature_type": "Line",
"signature_version": "v1",
"deprecated": false,
"digest": {
"line_hashes": [
"12430234893133063978195804361810405205",
"86707916958818529330998342063177919813",
"133687263698528515001487579740465991220",
"13428340702025613655918951471741033416"
],
"threshold": 0.9
}
},
{
"id": "CVE-2019-12984-ecc5698b",
"source": "https://github.com/torvalds/linux/commit/385097a3675749cbc9e97c085c0e5dfe4269ca51",
"target": {
"file": "net/nfc/netlink.c",
"function": "nfc_genl_deactivate_target"
},
"signature_type": "Function",
"signature_version": "v1",
"deprecated": false,
"digest": {
"length": 438.0,
"function_hash": "332056480385615547262517766672107341483"
}
}
]