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CVE-2025-21766

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CVE-2025-21766

Published: Feb 27, 2025

Modified: May 23, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
2fbc6e89b2f1403189e624cabaf73e189c5e50c6 - < ce3c6165fce0f06305c806696882a3ad4b90e33f
affected
2fbc6e89b2f1403189e624cabaf73e189c5e50c6 - < ea07480b23225942208f1b754fea1e7ec486d37e
affected
2fbc6e89b2f1403189e624cabaf73e189c5e50c6 - < 9b1766d1ff5fe496aabe9fc5f4e34e53f35c11c4
affected
2fbc6e89b2f1403189e624cabaf73e189c5e50c6 - < 4583748b65dee4d61bd50a2214715b4237bc152a
affected
2fbc6e89b2f1403189e624cabaf73e189c5e50c6 - < a39f61d212d822b3062d7f70fa0588e50e55664e

+9 more versions

Linux

Linux

affected
5.9
unaffected
0 - < 5.9
unaffected
5.15.179 - <= 5.15.*
unaffected
6.1.129 - <= 6.1.*
unaffected
6.6.79 - <= 6.6.*

+3 more versions

References

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