CVE-2022-49258: crypto: ccree - Fix use after free in cc_cipher_exit()
First published: Wed Feb 26 2025(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | ||
| Linux Kernel | >=4.17<5.10.110 | |
| Linux Kernel | >=5.11<5.15.33 | |
| Linux Kernel | >=5.16<5.16.19 | |
| Linux Kernel | >=5.17<5.17.2 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://git.kernel.org/stable/c/c93017c8d5ebf55a4e453ac7c84cc84cf92ab570
- https://git.kernel.org/stable/c/335bf1fc74f775a8255257aa3e33763f2257b676
- https://git.kernel.org/stable/c/25c358efee5153dfd240d4e0d3169d5bebe9cacd
- https://git.kernel.org/stable/c/cffb5382bd8d3cf21b874ab5b84bf7618932286b
- https://git.kernel.org/stable/c/3d950c34074ed74d2713c3856ba01264523289e6
Frequently Asked Questions
What is the severity of CVE-2022-49258?
CVE-2022-49258 is considered a high severity vulnerability due to its potential for a use-after-free condition in the Linux kernel.
How do I fix CVE-2022-49258?
To fix CVE-2022-49258, users should update to the latest patched version of the Linux kernel that addresses this vulnerability.
What versions of the Linux kernel are affected by CVE-2022-49258?
CVE-2022-49258 affects Linux kernel versions between 4.17 and 5.17.2, excluding certain patched releases.
What type of vulnerability is CVE-2022-49258?
CVE-2022-49258 is a use-after-free vulnerability that can lead to memory corruption in the Linux kernel.
What impact does CVE-2022-49258 have on system security?
CVE-2022-49258 can allow attackers to exploit memory corruption, potentially leading to arbitrary code execution or system instability.
- agent/first-publish-date
- agent/type
- agent/title
- agent/author
- agent/references
- agent/source
- agent/description
- agent/severity
- agent/guess-ai
- agent/software-canonical-lookup
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/softwarecombine
- agent/last-modified-date
- agent/remedy
- agent/event
- agent/tags
- collector/nvd-api
- source/NVD
- vendor/linux
- canonical/linux kernel
- version/linux kernel/4.17
- version/linux kernel/5.11
- version/linux kernel/5.16
- version/linux kernel/5.17