CVE-2025-21765

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Source
https://cve.org/CVERecord?id=CVE-2025-21765
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21765.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-21765
Downstream
Related
Published
2025-02-27T02:18:16.078Z
Modified
2026-05-15T11:54:07.870250692Z
Summary
ipv6: use RCU protection in ip6_default_advmss()
Details

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

ipv6: use RCU protection in ip6defaultadvmss()

ip6defaultadvmss() needs rcu protection to make sure the net structure it reads does not disappear.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21765.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
2.6.26
Fixed
5.4.291
Type
ECOSYSTEM
Events
Introduced
5.5.0
Fixed
5.10.235
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.179
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.1.129
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.79
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.16
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.13.4

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21765.json"