cvedb.io
CVE-2021-47232
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2024-05-21T15:15:12.557 · Last modified 2026-08-04T10:16:53.793

Summary

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.

Affected products

linux — linux_kernel

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.