Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: fix suspicious rcu usage in br_mst_set_state I converted br_mst_set_state to RCU to avoid a vlan use-after-free but forgot to change the vlan group dereference helper. Switch to vlan group RCU deref helper to fix the suspicious rcu usage warning.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.1.93, < 6.1.95 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/406bfc04b01ee47e4c626f77ecc7d9f85135b166Patch
- https://git.kernel.org/stable/c/546ceb1dfdac866648ec959cbc71d9525bd73462Patch
- https://git.kernel.org/stable/c/7caefa2771722e65496d85b62e1dc4442b7d1345Patch
- https://git.kernel.org/stable/c/caaa2129784a04dcade0ea92c12e6ff90bbd23d8Patch
- https://git.kernel.org/stable/c/406bfc04b01ee47e4c626f77ecc7d9f85135b166Patch
- https://git.kernel.org/stable/c/546ceb1dfdac866648ec959cbc71d9525bd73462Patch
- https://git.kernel.org/stable/c/7caefa2771722e65496d85b62e1dc4442b7d1345Patch
- https://git.kernel.org/stable/c/caaa2129784a04dcade0ea92c12e6ff90bbd23d8Patch
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
FAQ
What is CVE-2024-40920?
CVE-2024-40920 is a vulnerability with a CVSS score of 7.8 (HIGH). In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: fix suspicious rcu usage in br_mst_set_state I converted br_mst_set_state to RCU to avoid a vlan use-after-free ...
How severe is CVE-2024-40920?
CVE-2024-40920 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-40920?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.