CVE-2025-21766

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Source
https://cve.org/CVERecord?id=CVE-2025-21766
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21766.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-21766
Downstream
Related
Published
2025-02-27T02:18:16.570Z
Modified
2026-03-20T12:41:09.697688Z
Summary
ipv4: use RCU protection in __ip_rt_update_pmtu()
Details

In the Linux kernel, the following vulnerability has been resolved:

ipv4: use RCU protection in _iprtupdatepmtu()

_iprtupdatepmtu() must use RCU protection to make sure the net structure it reads does not disappear.

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21766.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
2fbc6e89b2f1403189e624cabaf73e189c5e50c6
Fixed
ce3c6165fce0f06305c806696882a3ad4b90e33f
Fixed
ea07480b23225942208f1b754fea1e7ec486d37e
Fixed
9b1766d1ff5fe496aabe9fc5f4e34e53f35c11c4
Fixed
4583748b65dee4d61bd50a2214715b4237bc152a
Fixed
a39f61d212d822b3062d7f70fa0588e50e55664e
Fixed
139512191bd06f1b496117c76372b2ce372c9a41
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
f415c264176e6095e9dee823e09c5bdd0ee0d337
Last affected
98776a365da509ad923083ae54b38ee521c52742
Last affected
860e2cc78c697c95bc749abb20047239fa1722ea
Last affected
2b1be6c925cdf4638811765a9160796291494b89

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21766.json"