CVE-2025-21763

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Source
https://cve.org/CVERecord?id=CVE-2025-21763
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21763.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-21763
Downstream
Related
Published
2025-02-27T02:18:15.078Z
Modified
2026-03-12T02:16:18.047215Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
neighbour: use RCU protection in __neigh_notify()
Details

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

neighbour: use RCU protection in _neighnotify()

_neighnotify() can be called without RTNL or RCU protection.

Use RCU protection to avoid potential UAF.

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21763.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
426b5303eb435d98b9bee37a807be386bc2b3320
Fixed
e1aed6be381bcd7f46d4ca9d7ef0f5f3d6a1be32
Fixed
8666e9aab801328c1408a19fbf4070609dc0695a
Fixed
40d8f2f2a373b6c294ffac394d2bb814b572ead1
Fixed
784eb2376270e086f7db136d154b8404edacf97b
Fixed
1cbb2aa90cd3fba15ad7efb5cdda28f3d1082379
Fixed
cdd5c2a12ddad8a77ce1838ff9f29aa587de82df
Fixed
559307d25235e24b5424778c7332451b6c741159
Fixed
becbd5850c03ed33b232083dd66c6e38c0c0e569

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21763.json"