This is a note to let you know that I've just added the patch titled ima: Fix potential memory leak in ima_init_crypto() to the 5.18-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: ima-fix-potential-memory-leak-in-ima_init_crypto.patch and it can be found in the queue-5.18 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit a14b83618a587bf150e0fe17202559c7d59eaea3 Author: Jianglei Nie <niejianglei2021@xxxxxxx> Date: Tue Jul 12 09:10:37 2022 +0800 ima: Fix potential memory leak in ima_init_crypto() [ Upstream commit 067d2521874135267e681c19d42761c601d503d6 ] On failure to allocate the SHA1 tfm, IMA fails to initialize and exits without freeing the ima_algo_array. Add the missing kfree() for ima_algo_array to avoid the potential memory leak. Signed-off-by: Jianglei Nie <niejianglei2021@xxxxxxx> Fixes: 6d94809af6b0 ("ima: Allocate and initialize tfm for each PCR bank") Signed-off-by: Mimi Zohar <zohar@xxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/security/integrity/ima/ima_crypto.c b/security/integrity/ima/ima_crypto.c index a7206cc1d7d1..64499056648a 100644 --- a/security/integrity/ima/ima_crypto.c +++ b/security/integrity/ima/ima_crypto.c @@ -205,6 +205,7 @@ int __init ima_init_crypto(void) crypto_free_shash(ima_algo_array[i].tfm); } + kfree(ima_algo_array); out: crypto_free_shash(ima_shash_tfm); return rc;