CVE-2021-47232

May 21, 2024, 4:54 p.m.

None
No Score

Description

In the Linux kernel, the following vulnerability has been resolved: can: j1939: fix Use-after-Free, hold skb ref while in use This patch fixes a Use-after-Free found by the syzbot. The problem is that a skb is taken from the per-session skb queue, without incrementing the ref count. This leads to a Use-after-Free if the skb is taken concurrently from the session queue due to a CTS.

Product(s) Impacted

Product Versions
Linux kernel
Linux Kernel

Weaknesses

Common security weaknesses mapped to this vulnerability.

References

https://git.kernel.org/stable/c/1071065eeb33d32b7d98c2ce7591881ae7381705
https://git.kernel.org/stable/c/2030043e616cab40f510299f09b636285e0a3678
https://git.kernel.org/stable/c/22cba878abf646cd3a02ee7c8c2cef7afe66a256
https://git.kernel.org/stable/c/509ab6bfdd0c76daebbad0f0af07da712116de22

Tags

416baaa9-dc9f-4396-8d5f-8c081fb06d67
2024-05-21
CVE-2021-47232

Timeline

Published: May 21, 2024, 3:15 p.m.
Last Modified: May 21, 2024, 4:54 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

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

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.