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.

INFO

Published Date :

2024-05-21T14:19:35.084Z

Last Modified :

2025-05-04T07:06:48.551Z

Source :

Linux
AFFECTED PRODUCTS

The following products are affected by CVE-2021-47232 vulnerability.

Vendors Products
Linux
  • Linux Kernel
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2021-47232.

URL Resource
https://git.kernel.org/stable/c/1071065eeb33d32b7d98c2ce7591881ae7381705 cve-icon cve-icon
https://git.kernel.org/stable/c/2030043e616cab40f510299f09b636285e0a3678 cve-icon cve-icon
https://git.kernel.org/stable/c/22cba878abf646cd3a02ee7c8c2cef7afe66a256 cve-icon cve-icon
https://git.kernel.org/stable/c/509ab6bfdd0c76daebbad0f0af07da712116de22 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2024052139-CVE-2021-47232-9022@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2021-47232 cve-icon
https://www.cve.org/CVERecord?id=CVE-2021-47232 cve-icon
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