UBUNTU-CVE-2022-48997

In the Linux kernel, the following vulnerability has been resolved: char: tpm: Protect tpmpmsuspend with locks Currently tpm transactions are executed unconditionally in tpmpmsuspend function, which may lead to races with other tpm accessors in the system. Specifically, the hwrandom tpm driver...

CVE-2022-48997

CVE-2022-48997 affects the Linux kernel TPM subsystem, where tpm transactions during suspend were not guarded and could race with other TPM accessors inside tpm_pm_suspend. The referenced fixes call tpm_try_get_ops(), a wrapper around tpm_chip_start() that acquires the appropriate mutex, to seria...