In the Linux kernel, the following vulnerability has been resolved:
drm/amdkfd: Check for potential null return of kmalloc_array()
As the kmallocarray() may return null, the 'eventwaiters[i].wait' would lead to null-pointer dereference. Therefore, it is better to check the return value of kmalloc_array() to avoid this confusion.
[
{
"signature_type": "Function",
"deprecated": false,
"digest": {
"length": 269.0,
"function_hash": "134126561834339086094862204494442519497"
},
"target": {
"file": "drivers/gpu/drm/amd/amdkfd/kfd_events.c",
"function": "alloc_event_waiters"
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@ebbb7bb9e80305820dc2328a371c1b35679f2667",
"signature_version": "v1",
"id": "CVE-2022-49055-15be82cc"
},
{
"signature_type": "Function",
"deprecated": false,
"digest": {
"length": 269.0,
"function_hash": "134126561834339086094862204494442519497"
},
"target": {
"file": "drivers/gpu/drm/amd/amdkfd/kfd_events.c",
"function": "alloc_event_waiters"
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f2658d5966bcee8c3eb487875f459756d4f7cdfc",
"signature_version": "v1",
"id": "CVE-2022-49055-23184fdf"
},
{
"signature_type": "Line",
"deprecated": false,
"digest": {
"line_hashes": [
"207838917780535376621033643787055191228",
"46156970100064700749084243662230045149",
"298157472339859478973291618671897113629",
"280424289365394497790279708151763358431"
],
"threshold": 0.9
},
"target": {
"file": "drivers/gpu/drm/amd/amdkfd/kfd_events.c"
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f2658d5966bcee8c3eb487875f459756d4f7cdfc",
"signature_version": "v1",
"id": "CVE-2022-49055-375fd708"
},
{
"signature_type": "Line",
"deprecated": false,
"digest": {
"line_hashes": [
"207838917780535376621033643787055191228",
"46156970100064700749084243662230045149",
"298157472339859478973291618671897113629",
"280424289365394497790279708151763358431"
],
"threshold": 0.9
},
"target": {
"file": "drivers/gpu/drm/amd/amdkfd/kfd_events.c"
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@0a692c625e373fef692ffbc7fc41f8a025f01cb7",
"signature_version": "v1",
"id": "CVE-2022-49055-38b7a918"
},
{
"signature_type": "Function",
"deprecated": false,
"digest": {
"length": 312.0,
"function_hash": "236083093984437589176910943814015566986"
},
"target": {
"file": "drivers/gpu/drm/amd/amdkfd/kfd_events.c",
"function": "alloc_event_waiters"
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@40bf32dbfef866c83a3e74800b81d79e52b6d20b",
"signature_version": "v1",
"id": "CVE-2022-49055-52dd7490"
},
{
"signature_type": "Function",
"deprecated": false,
"digest": {
"length": 269.0,
"function_hash": "134126561834339086094862204494442519497"
},
"target": {
"file": "drivers/gpu/drm/amd/amdkfd/kfd_events.c",
"function": "alloc_event_waiters"
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c7a268b33882d5feaafd29c1734456f41ba41396",
"signature_version": "v1",
"id": "CVE-2022-49055-5ca3f96d"
},
{
"signature_type": "Line",
"deprecated": false,
"digest": {
"line_hashes": [
"207838917780535376621033643787055191228",
"46156970100064700749084243662230045149",
"298157472339859478973291618671897113629",
"280424289365394497790279708151763358431"
],
"threshold": 0.9
},
"target": {
"file": "drivers/gpu/drm/amd/amdkfd/kfd_events.c"
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@1d7a5aae884ca727d41c7ed15d4c82fdb67c040c",
"signature_version": "v1",
"id": "CVE-2022-49055-7905b3a9"
},
{
"signature_type": "Line",
"deprecated": false,
"digest": {
"line_hashes": [
"207838917780535376621033643787055191228",
"46156970100064700749084243662230045149",
"298157472339859478973291618671897113629",
"280424289365394497790279708151763358431"
],
"threshold": 0.9
},
"target": {
"file": "drivers/gpu/drm/amd/amdkfd/kfd_events.c"
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c7a268b33882d5feaafd29c1734456f41ba41396",
"signature_version": "v1",
"id": "CVE-2022-49055-96ca2c5c"
},
{
"signature_type": "Line",
"deprecated": false,
"digest": {
"line_hashes": [
"207838917780535376621033643787055191228",
"46156970100064700749084243662230045149",
"164422506357895985545878667935106089869",
"199865104520464391758310806497329464800"
],
"threshold": 0.9
},
"target": {
"file": "drivers/gpu/drm/amd/amdkfd/kfd_events.c"
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@40bf32dbfef866c83a3e74800b81d79e52b6d20b",
"signature_version": "v1",
"id": "CVE-2022-49055-9b2cb453"
},
{
"signature_type": "Function",
"deprecated": false,
"digest": {
"length": 269.0,
"function_hash": "134126561834339086094862204494442519497"
},
"target": {
"file": "drivers/gpu/drm/amd/amdkfd/kfd_events.c",
"function": "alloc_event_waiters"
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@0a692c625e373fef692ffbc7fc41f8a025f01cb7",
"signature_version": "v1",
"id": "CVE-2022-49055-d25a291f"
},
{
"signature_type": "Line",
"deprecated": false,
"digest": {
"line_hashes": [
"207838917780535376621033643787055191228",
"46156970100064700749084243662230045149",
"298157472339859478973291618671897113629",
"280424289365394497790279708151763358431"
],
"threshold": 0.9
},
"target": {
"file": "drivers/gpu/drm/amd/amdkfd/kfd_events.c"
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@ebbb7bb9e80305820dc2328a371c1b35679f2667",
"signature_version": "v1",
"id": "CVE-2022-49055-d9880659"
},
{
"signature_type": "Function",
"deprecated": false,
"digest": {
"length": 269.0,
"function_hash": "134126561834339086094862204494442519497"
},
"target": {
"file": "drivers/gpu/drm/amd/amdkfd/kfd_events.c",
"function": "alloc_event_waiters"
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@1d7a5aae884ca727d41c7ed15d4c82fdb67c040c",
"signature_version": "v1",
"id": "CVE-2022-49055-e5e99d1a"
}
]