8.1
High
CVE-2025-21766 In the Linux kernel, the following vulnerability has been resolved: ipv4: use RCU protection in __ip_rt_update_pmtu()…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux 6.14 | earliest → < 6.14 | 6.14 |
| Linux 6.13 | earliest → < 6.13.4 | 6.13.4 |
| Linux 6.12 | earliest → < 6.12.16 | 6.12.16 |
| Linux 6.6 | earliest → < 6.6.79 | 6.6.79 |
| Linux 6.1 | earliest → < 6.1.129 | 6.1.129 |
| Linux 5.15 | earliest → < 5.15.179 | 5.15.179 |
| Linux | 5.9 | No fix stated |
| SIMATIC S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.5 → latest | No fix stated |
| SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP 3.1 | 3.1.5 → latest | No fix stated |
Show the 2 other branches Hide the 2 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| SIPLUS S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.5 → latest | No fix stated |
| SIMATIC S7-1500 TM MFP - GNU/Linux subsystem | Versions not published |
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