CVE-2025-21766
ipv4: use RCU protection in __ip_rt_update_pmtu()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Feb 27, 2025 |
| Last Updated | May 12, 2026 |
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Affected Versions
Linux / Linux
2fbc6e89b2f1403189e624cabaf73e189c5e50c6 < ce3c6165fce0f06305c806696882a3ad4b90e33f 2fbc6e89b2f1403189e624cabaf73e189c5e50c6 < ea07480b23225942208f1b754fea1e7ec486d37e 2fbc6e89b2f1403189e624cabaf73e189c5e50c6 < 9b1766d1ff5fe496aabe9fc5f4e34e53f35c11c4 2fbc6e89b2f1403189e624cabaf73e189c5e50c6 < 4583748b65dee4d61bd50a2214715b4237bc152a 2fbc6e89b2f1403189e624cabaf73e189c5e50c6 < a39f61d212d822b3062d7f70fa0588e50e55664e 2fbc6e89b2f1403189e624cabaf73e189c5e50c6 < 139512191bd06f1b496117c76372b2ce372c9a41 f415c264176e6095e9dee823e09c5bdd0ee0d337 98776a365da509ad923083ae54b38ee521c52742 860e2cc78c697c95bc749abb20047239fa1722ea 2b1be6c925cdf4638811765a9160796291494b89
Linux / Linux
5.9
References
git.kernel.org: https://git.kernel.org/stable/c/ce3c6165fce0f06305c806696882a3ad4b90e33f git.kernel.org: https://git.kernel.org/stable/c/ea07480b23225942208f1b754fea1e7ec486d37e git.kernel.org: https://git.kernel.org/stable/c/9b1766d1ff5fe496aabe9fc5f4e34e53f35c11c4 git.kernel.org: https://git.kernel.org/stable/c/4583748b65dee4d61bd50a2214715b4237bc152a git.kernel.org: https://git.kernel.org/stable/c/a39f61d212d822b3062d7f70fa0588e50e55664e git.kernel.org: https://git.kernel.org/stable/c/139512191bd06f1b496117c76372b2ce372c9a41 lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html cert-portal.siemens.com: https://cert-portal.siemens.com/productcert/html/ssa-082556.html