kernel: use-after-free in kv_parse_power_table

A use-after-free flaw was found in kvparsepowertable in drivers/amd/pm in the Linux kernel. When ps equals NULL, kvparsepowertable frees adev-pm.dpm.ps. The adev-pm.dpm.ps is used in the loop of kvdpmfini after its first free in kvparsepowertable, causing a use-after-free problem...

UBUNTU-CVE-2023-52469

In the Linux kernel, the following vulnerability has been resolved: drivers/amd/pm: fix a use-after-free in kvparsepowertable When ps allocated by kzalloc equals to NULL, kvparsepowertable frees adev-pm.dpm.ps that allocated before. However, after the control flow goes through the following call...