> On 13.11.2024, at 22:27, David Gstir <[email protected]> wrote: > > With vmalloc stack addresses enabled (CONFIG_VMAP_STACK=y) DCP trusted > keys can crash during en- and decryption of the blob encryption key via > the DCP crypto driver. This is caused by improperly using sg_init_one() > with vmalloc'd stack buffers (plain_key_blob). > > Fix this by always using kmalloc() for buffers we give to the DCP crypto > driver. > > Cc: [email protected] # v6.10+ > Fixes: 0e28bf61a5f9 ("KEYS: trusted: dcp: fix leak of blob encryption key") > Signed-off-by: David Gstir <[email protected]>
gentle ping. Thanks! - David
