Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix Use-After-Free in tcp_ao_connect_init Since call_rcu, which is called in the hlist_for_each_entry_rcu traversal of tcp_ao_connect_init, is not part of the RCU read critical section, it is possible that the RCU grace period will pass during the traversal and the key will be free. To prevent this, it should be changed to hlist_for_each_entry_safe.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.7, < 6.8.9 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/80e679b352c3ce5158f3f778cfb77eb767e586fbPatch
- https://git.kernel.org/stable/c/ca4fb6c6764b3f75b4f5aa81db1536291897ff7fPatch
- https://git.kernel.org/stable/c/80e679b352c3ce5158f3f778cfb77eb767e586fbPatch
- https://git.kernel.org/stable/c/ca4fb6c6764b3f75b4f5aa81db1536291897ff7fPatch
FAQ
What is CVE-2024-27394?
CVE-2024-27394 is a vulnerability with a CVSS score of 7.4 (HIGH). In the Linux kernel, the following vulnerability has been resolved: tcp: Fix Use-After-Free in tcp_ao_connect_init Since call_rcu, which is called in the hlist_for_each_entry_rcu traversal of tcp_ao...
How severe is CVE-2024-27394?
CVE-2024-27394 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-27394?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.