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From: Jens Wiklander <jens.wiklander@linaro.org>
To: arm@kernel.org, soc@kernel.org
Cc: linux-kernel@vger.kernel.org, op-tee@lists.trustedfirmware.org
Subject: [GIT PULL] OP-TEE fix for 7.0
Date: Mon, 16 Mar 2026 08:12:10 +0100	[thread overview]
Message-ID: <20260316071210.GA2470832@rayden> (raw)

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(-)

                 reply	other threads:[~2026-03-16  7:12 UTC|newest]

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