Products
Linux kernel
Linux Kernel
Source
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Tags
CVE-2021-47232 details
Published : May 21, 2024, 3:15 p.m.
Last Modified : May 21, 2024, 4:54 p.m.
Last Modified : May 21, 2024, 4:54 p.m.
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.
CVSS Score
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
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Weakness
| Weakness | Name | Description |
|---|
References
| URL | Source |
|---|---|
| https://git.kernel.org/stable/c/1071065eeb33d32b7d98c2ce7591881ae7381705 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
| https://git.kernel.org/stable/c/2030043e616cab40f510299f09b636285e0a3678 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
| https://git.kernel.org/stable/c/22cba878abf646cd3a02ee7c8c2cef7afe66a256 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
| https://git.kernel.org/stable/c/509ab6bfdd0c76daebbad0f0af07da712116de22 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
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