CVE-2022-49258

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.

Score

CVSS 3.1 7.8 High

Status

Analyzed - 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published

2025-02-26

Last modified

2026-05-11

Weaknesses

CWE-416

Affected products

• Linux Kernel (Linux)

References

• https://git.kernel.org/stable/c/25c358efee5153dfd240d4e0d3169d5bebe9cacd
• https://git.kernel.org/stable/c/335bf1fc74f775a8255257aa3e33763f2257b676
• https://git.kernel.org/stable/c/3d950c34074ed74d2713c3856ba01264523289e6
• https://git.kernel.org/stable/c/c93017c8d5ebf55a4e453ac7c84cc84cf92ab570
• https://git.kernel.org/stable/c/cffb5382bd8d3cf21b874ab5b84bf7618932286b