A write protection lock bit was left unset after boot on an older generation of Lenovo and IBM System x servers, potentially allowing an attacker with administrator access to modify the subset of flash memory containing Intel Server Platform Services (SPS) and the system Flash Descriptors.
[
{
"product": "System x UEFI",
"vendor": "Lenovo",
"versions": [
{
"lessThan": "varies",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "System x UEFI",
"vendor": "IBM",
"versions": [
{
"lessThan": "varies",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]