CVE-2025-21762

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Source
https://cve.org/CVERecord?id=CVE-2025-21762
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21762.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-21762
Downstream
Related
Published
2025-02-27T02:18:14.600Z
Modified
2026-05-15T11:54:49.415335708Z
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
arp: use RCU protection in arp_xmit()
Details

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

arp: use RCU protection in arp_xmit()

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

Use RCU protection to avoid potential UAF.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21762.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.4.0
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-2025-21762.json"