CVE-2025-21760
High
Description
In the Linux kernel, the following vulnerability has been resolved: ndisc: extend RCU protection in ndisc_send_skb() ndisc_send_skb() can be called without RTNL or RCU held. Acquire rcu_read_lock() earlier, so that we can use dev_net_rcu() and avoid a potential UAF.
SeverityHigh
CVSS8.1
Exploit probability—
Product
Linux Kernel
PublishedFeb 27, 2025
First seenFeb 27, 2025
Weakness typeCWE-416Use after free
How to fix
Update
- linux linux_kernel5.4.291, 5.10.235, 5.15.179, 6.1.129, 6.6.79, 6.12.16, 6.13.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 2.6.26 ≤ v < 5.4.291, 5.5 ≤ v < 5.10.235, 5.11 ≤ v < 5.15.179, 5.16 ≤ v < 6.1.129, 6.2 ≤ v < 6.6.79, 6.7 ≤ v < 6.12.16, 6.13 ≤ v < 6.13.4, 6.14 | 5.4.291, 5.10.235, 5.15.179, 6.1.129, 6.6.79, 6.12.16, 6.13.4 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.