CVE-2025-21760

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2025-21760
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21760.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-21760
Downstream
Related
Published
2025-02-27T02:18:13.496Z
Modified
2026-05-28T03:52:53.251116374Z
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
ndisc: extend RCU protection in ndisc_send_skb()
Details

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

ndisc: extend RCU protection in ndiscsendskb()

ndiscsendskb() can be called without RTNL or RCU held.

Acquire rcureadlock() earlier, so that we can use devnetrcu() and avoid a potential UAF.

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21760.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
1762f7e88eb34f653b4a915be99a102e347dd45e
Fixed
10a1f3fece2f0d23a3a618b72b2b4e6f408ef7d1
Fixed
4d576202b90b1b95a7c428a80b536f91b8201bcc
Fixed
e24d225e4cb8cf108bde00b76594499b98f0a74d
Fixed
a9319d800b5701e7f5e3fa71a5b7c4831fc20d6d
Fixed
ae38982f521621c216fc2f5182cd091f4734641d
Fixed
789230e5a8c1097301afc802e242c79bc8835c67
Fixed
04e05112f10354ffc3bb6cc796d553bab161594c
Fixed
ed6ae1f325d3c43966ec1b62ac1459e2b8e45640

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21760.json"

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-2025-21760.json"