In the Linux kernel, the following vulnerability has been resolved:
staging: greybus: uart: fix tty use after free
User space can hold a tty open indefinitely and tty drivers must not release the underlying structures until the last user is gone.
Switch to using the tty-port reference counter to manage the life time of the greybus tty state to avoid use after free after a disconnect.
[
{
"events": [
{
"introduced": "4.9"
},
{
"fixed": "4.9.285"
}
]
},
{
"events": [
{
"introduced": "4.10"
},
{
"fixed": "4.14.249"
}
]
},
{
"events": [
{
"introduced": "4.15"
},
{
"fixed": "4.19.209"
}
]
},
{
"events": [
{
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},
{
"fixed": "5.4.150"
}
]
},
{
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},
{
"fixed": "5.10.70"
}
]
},
{
"events": [
{
"introduced": "5.11"
},
{
"fixed": "5.14.9"
}
]
},
{
"events": [
{
"introduced": "0"
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{
"last_affected": "5.15-rc1"
}
]
},
{
"events": [
{
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},
{
"last_affected": "5.15-rc2"
}
]
}
]
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47358.json"