An issue was discovered in the Linux kernel before 5.0.19. There is an out-of-bounds array access in _xfrmpolicyunlink, which will cause denial of service, because verifynewpolicyinfo in net/xfrm/xfrmuser.c mishandles directory validation.
[
{
"signature_type": "Line",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@b805d78d300bcf2c83d6df7da0c818b0fee41427",
"digest": {
"threshold": 0.9,
"line_hashes": [
"220990184848513557338739447003251738646",
"30501895453670612165612679249684197975",
"92835517233008644393435433883053196393",
"216680584622035456602456780635195264890"
]
},
"target": {
"file": "net/xfrm/xfrm_user.c"
},
"id": "CVE-2019-15666-5b0a7162",
"deprecated": false,
"signature_version": "v1"
},
{
"signature_type": "Function",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@b805d78d300bcf2c83d6df7da0c818b0fee41427",
"digest": {
"function_hash": "166402509914254755964283077075699118011",
"length": 869.0
},
"target": {
"file": "net/xfrm/xfrm_user.c",
"function": "verify_newpolicy_info"
},
"id": "CVE-2019-15666-7d0dc90d",
"deprecated": false,
"signature_version": "v1"
}
]
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-15666.json"