CVE-2025-21766
Last modified
CVE-2025-21766 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: ipv4: use RCU protection in __ip_rt_update_pmtu() __ip_rt_update_pmtu() must use RCU protection to make sure the net structure it reads does not disappear.. EPSS estimates a 0.19% chance of exploitation in the next 30 days.
Description
In the Linux kernel, the following vulnerability has been resolved: ipv4: use RCU protection in __ip_rt_update_pmtu() __ip_rt_update_pmtu() must use RCU protection to make sure the net structure it reads does not disappear.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 4.14.200, < 4.15 | — |
| Linux | Linux Kernel | >= 4.19.148, < 4.20 | — |
| Linux | Linux Kernel | >= 5.4.68, < 5.5 | — |
| Linux | Linux Kernel | >= 5.8.12, < 5.9 | — |
| Linux | Linux Kernel | >= 5.9.1, < 5.15.179 | — |
| Linux | Linux Kernel | >= 5.16, < 6.1.129 | — |
| Linux | Linux Kernel | >= 6.2, < 6.6.79 | — |
| Linux | Linux Kernel | >= 6.7, < 6.12.16 | — |
| Linux | Linux Kernel | >= 6.13, < 6.13.4 | — |
| Linux | Linux Kernel | 5.9 | — |
| Linux | Linux Kernel | 6.14 | Rc1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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