The llccmsgrcv function in net/llc/af_llc.c in the Linux kernel before 4.5.5 does not initialize a certain data structure, which allows attackers to obtain sensitive information from kernel stack memory by reading a message.
[
{
"id": "CVE-2016-4485-a1b07ad7",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@b8670c09f37bdf2847cc44f36511a53afc6161fd",
"signature_type": "Line",
"target": {
"file": "net/llc/af_llc.c"
},
"deprecated": false,
"digest": {
"line_hashes": [
"121970777427102411744872781396669618427",
"337112444865369004091308920332469047521",
"267336713482998994220398686187532757493"
],
"threshold": 0.9
},
"signature_version": "v1"
},
{
"id": "CVE-2016-4485-c1969663",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@b8670c09f37bdf2847cc44f36511a53afc6161fd",
"signature_type": "Function",
"target": {
"file": "net/llc/af_llc.c",
"function": "llc_cmsg_rcv"
},
"deprecated": false,
"digest": {
"length": 375.0,
"function_hash": "89811586475523581743380218049371733811"
},
"signature_version": "v1"
}
]
[
{
"id": "CVE-2016-4485-495c112c",
"source": "https://github.com/torvalds/linux/commit/b8670c09f37bdf2847cc44f36511a53afc6161fd",
"signature_type": "Function",
"target": {
"file": "net/llc/af_llc.c",
"function": "llc_cmsg_rcv"
},
"deprecated": false,
"digest": {
"length": 375.0,
"function_hash": "89811586475523581743380218049371733811"
},
"signature_version": "v1"
},
{
"id": "CVE-2016-4485-bae64523",
"source": "https://github.com/torvalds/linux/commit/b8670c09f37bdf2847cc44f36511a53afc6161fd",
"signature_type": "Line",
"target": {
"file": "net/llc/af_llc.c"
},
"deprecated": false,
"digest": {
"line_hashes": [
"121970777427102411744872781396669618427",
"337112444865369004091308920332469047521",
"267336713482998994220398686187532757493"
],
"threshold": 0.9
},
"signature_version": "v1"
}
]