CVE-2025-21766
MEDIUMLinux Kernel - Use-After-Free in __ip_rt_update_pmtu()
Title source: llmDescription
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.
References (8)
Core 8
Core References
Vendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-082556.html
Scores
CVSS v3
5.5
EPSS
0.0020
EPSS Percentile
9.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
Status
published
Products (30)
linux/Kernel
5.16.0 - 6.1.129linux
linux/Kernel
5.9.0 - 5.15.179linux
linux/Kernel
6.13.0 - 6.13.4linux
linux/Kernel
6.2.0 - 6.6.79linux
linux/Kernel
6.7.0 - 6.12.16linux
Linux/Linux
< 5.9
Linux/Linux
2b1be6c925cdf4638811765a9160796291494b89
Linux/Linux
2fbc6e89b2f1403189e624cabaf73e189c5e50c6 - 139512191bd06f1b496117c76372b2ce372c9a41
Linux/Linux
2fbc6e89b2f1403189e624cabaf73e189c5e50c6 - 4583748b65dee4d61bd50a2214715b4237bc152a
Linux/Linux
2fbc6e89b2f1403189e624cabaf73e189c5e50c6 - 9b1766d1ff5fe496aabe9fc5f4e34e53f35c11c4
... and 20 more
Published
Feb 27, 2025
Tracked Since
Feb 18, 2026