Hello arm-soc maintainers,
Please pull this patch fixing a use-after-free race in the OP-TEE driver where a client exiting prematurely could free a request still being processed by the supplicant.
Thanks, Jens
The following changes since commit 6de23f81a5e08be8fbf5e8d7e9febc72a5b5f27f:
Linux 7.0-rc1 (2026-02-22 13:18:59 -0800)
are available in the Git repository at:
gitolite.kernel.org:pub/scm/linux/kernel/git/jenswi/linux-tee tags/optee-fix-for-v7.0
for you to fetch changes up to 387a926ee166814611acecb960207fe2f3c4fd3e:
tee: optee: prevent use-after-free when the client exits before the supplicant (2026-03-02 14:36:50 +0100)
---------------------------------------------------------------- OP-TEE fix for v7.0
Fix a use-after-free race between client and supplicant by serializing request access with the supplicant mutex.
---------------------------------------------------------------- Amirreza Zarrabi (1): tee: optee: prevent use-after-free when the client exits before the supplicant
drivers/tee/optee/supp.c | 107 ++++++++++++++++++++++++++++++++--------------- 1 file changed, 74 insertions(+), 33 deletions(-)