Security Advisory
CVE-2022-49258
7.8
HIGH
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
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.
Published Date
February 26, 2025
Official Source
NIST NVD Advisory