In the Linux kernel, the following vulnerability has been resolved:
Drivers: hv: vmbus: Deactivate sysctlrecordpanic_msg by default in isolated guests
hvpanicpage might contain guest-sensitive information, do not dump it over to Hyper-V by default in isolated guests.
While at it, update some comments in hyperv{panic,die}event().
[
{
"signature_version": "v1",
"signature_type": "Line",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@6230bc50d6d21cae4c084766623d0a6d17958721",
"id": "CVE-2022-49054-2a4b765a",
"target": {
"file": "drivers/hv/vmbus_drv.c"
},
"deprecated": false,
"digest": {
"threshold": 0.9,
"line_hashes": [
"186199364974788708236448874415227052935",
"186401941685667351467581113777133674153",
"91103517111696327475898425045581653950",
"265250133300168500897724520156437748666",
"288265992958332927668447149524529709798",
"275751961141537231024271410641413784992",
"275334546839432889858070919387717225478",
"199159512282867921970111036483457102032",
"327034205704477991941341516593432194207",
"321954470748033733365132082157871304620",
"210513955365659521172805922853976266545"
]
}
},
{
"signature_version": "v1",
"signature_type": "Function",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@6230bc50d6d21cae4c084766623d0a6d17958721",
"id": "CVE-2022-49054-2f0db7e2",
"target": {
"function": "vmbus_bus_init",
"file": "drivers/hv/vmbus_drv.c"
},
"deprecated": false,
"digest": {
"function_hash": "277596069779361678584742525744935513648",
"length": 1542.0
}
},
{
"signature_version": "v1",
"signature_type": "Line",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@9f8b577f7b43b2170628d6c537252785dcc2dcea",
"id": "CVE-2022-49054-44b7a06b",
"target": {
"file": "drivers/hv/vmbus_drv.c"
},
"deprecated": false,
"digest": {
"threshold": 0.9,
"line_hashes": [
"186199364974788708236448874415227052935",
"186401941685667351467581113777133674153",
"91103517111696327475898425045581653950",
"265250133300168500897724520156437748666",
"288265992958332927668447149524529709798",
"275751961141537231024271410641413784992",
"275334546839432889858070919387717225478",
"199159512282867921970111036483457102032",
"327034205704477991941341516593432194207",
"321954470748033733365132082157871304620",
"210513955365659521172805922853976266545"
]
}
},
{
"signature_version": "v1",
"signature_type": "Line",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@1b576e81d31b56b248316b8ff816b1cc5c4407c7",
"id": "CVE-2022-49054-68370360",
"target": {
"file": "drivers/hv/vmbus_drv.c"
},
"deprecated": false,
"digest": {
"threshold": 0.9,
"line_hashes": [
"186199364974788708236448874415227052935",
"186401941685667351467581113777133674153",
"91103517111696327475898425045581653950",
"265250133300168500897724520156437748666",
"288265992958332927668447149524529709798",
"275751961141537231024271410641413784992",
"275334546839432889858070919387717225478",
"199159512282867921970111036483457102032",
"327034205704477991941341516593432194207",
"321954470748033733365132082157871304620",
"210513955365659521172805922853976266545"
]
}
},
{
"signature_version": "v1",
"signature_type": "Function",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@1b576e81d31b56b248316b8ff816b1cc5c4407c7",
"id": "CVE-2022-49054-7e0a2b51",
"target": {
"function": "vmbus_bus_init",
"file": "drivers/hv/vmbus_drv.c"
},
"deprecated": false,
"digest": {
"function_hash": "277596069779361678584742525744935513648",
"length": 1542.0
}
},
{
"signature_version": "v1",
"signature_type": "Function",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@9f8b577f7b43b2170628d6c537252785dcc2dcea",
"id": "CVE-2022-49054-e0882ed4",
"target": {
"function": "vmbus_bus_init",
"file": "drivers/hv/vmbus_drv.c"
},
"deprecated": false,
"digest": {
"function_hash": "277596069779361678584742525744935513648",
"length": 1542.0
}
}
]