In arm_lpae_split_blk_unmap of io-pgtable-arm-common.c, there is a possible memory corruption due…

What to know

What it is

In arm_lpae_split_blk_unmap of io-pgtable-arm-common.c, there is a possible memory corruption due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected

See advisory

Fix

Apply the vendor's security update; see the linked advisory.

Exploitation

No known exploitation