An issue was found in Linux kernel before 5.5.4. The mwifiexcmdappendvsietlv() function in drivers/net/wireless/marvell/mwifiex/scan.c allows local users to gain privileges or cause a denial of service because of an incorrect memcpy and buffer overflow, aka CID-b70261a288ea.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-12653.json"
[
{
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@b70261a288ea4d2f4ac7cd04be08a9f0f2de4f4d",
"digest": {
"line_hashes": [
"227679628868628680513053673429623548181",
"2568625714114147278450960413842669358",
"293390883089008711657605847781192953421",
"249829766941787524749072715980149511415"
],
"threshold": 0.9
},
"id": "CVE-2020-12653-0696a99c",
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1",
"target": {
"file": "drivers/net/wireless/marvell/mwifiex/scan.c"
}
},
{
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@b70261a288ea4d2f4ac7cd04be08a9f0f2de4f4d",
"digest": {
"length": 687.0,
"function_hash": "249857294624806819772736629701862807924"
},
"id": "CVE-2020-12653-1af838d2",
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1",
"target": {
"file": "drivers/net/wireless/marvell/mwifiex/scan.c",
"function": "mwifiex_cmd_append_vsie_tlv"
}
}
]
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-12653.json"
[
{
"source": "https://github.com/torvalds/linux/commit/b70261a288ea4d2f4ac7cd04be08a9f0f2de4f4d",
"digest": {
"line_hashes": [
"227679628868628680513053673429623548181",
"2568625714114147278450960413842669358",
"293390883089008711657605847781192953421",
"249829766941787524749072715980149511415"
],
"threshold": 0.9
},
"id": "CVE-2020-12653-687c1d71",
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1",
"target": {
"file": "drivers/net/wireless/marvell/mwifiex/scan.c"
}
},
{
"source": "https://github.com/torvalds/linux/commit/b70261a288ea4d2f4ac7cd04be08a9f0f2de4f4d",
"digest": {
"length": 687.0,
"function_hash": "249857294624806819772736629701862807924"
},
"id": "CVE-2020-12653-7dadf5be",
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1",
"target": {
"file": "drivers/net/wireless/marvell/mwifiex/scan.c",
"function": "mwifiex_cmd_append_vsie_tlv"
}
}
]