]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 83e6523) | patch
crypto: ccree - Fix use after free in cc_cipher_exit()
authorJianglei Nie <niejianglei2021@163.com>
Thu, 3 Mar 2022 02:23:37 +0000 (10:23 +0800)
committerHerbert Xu <herbert@gondor.apana.org.au>
Wed, 9 Mar 2022 03:12:31 +0000 (15:12 +1200)
commit0c221482f8084b9c46f1f837f3cc3985fc3d8199
tree10ce50fbb85505349b1e0560c588fbf4c8b13993tree | snapshot
parent83e6523ea185a7fb5553d5e1c517d73f96c14030commit | diff
crypto: ccree - Fix use after free in cc_cipher_exit()

kfree_sensitive(ctx_p->user.key) will free the ctx_p->user.key. But
ctx_p->user.key is still used in the next line, which will lead to a
use after free.

We can call kfree_sensitive() after dev_dbg() to avoid the uaf.

Fixes: 42039d9432b1 ("crypto: ccree - add skcipher support")
Signed-off-by: Jianglei Nie <niejianglei2021@163.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
drivers/crypto/ccree/cc_cipher.c diff | blob | history
Linux Kernel Source Tree.