CVE-2025-21762

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux29a26a56803855a79dbd028cd61abee56237d6e5 < 10f555e3f573d004ae9d89b3276abb58c4ede5c3affected
LinuxLinux29a26a56803855a79dbd028cd61abee56237d6e5 < 307cd1e2d3cb1cbc6c40c679cada6d7168b18431affected
LinuxLinux29a26a56803855a79dbd028cd61abee56237d6e5 < d9366ac2f956a1948b68c0500f84a3462ff2ed8aaffected
LinuxLinux29a26a56803855a79dbd028cd61abee56237d6e5 < f189654459423d4d48bef2d120b4bfba559e6039affected
LinuxLinux29a26a56803855a79dbd028cd61abee56237d6e5 < e9f4dee534eb1b225b0a120395ad9bc2afe164d3affected
LinuxLinux29a26a56803855a79dbd028cd61abee56237d6e5 < 01d1b5c9abcaff29a43f1d17a19c33eec92c7dbeaffected
LinuxLinux29a26a56803855a79dbd028cd61abee56237d6e5 < 2c331718d3389b6c5f6855078ab7171849e016bdaffected
LinuxLinux29a26a56803855a79dbd028cd61abee56237d6e5 < a42b69f692165ec39db42d595f4f65a4c8f42e44affected
LinuxLinux4.4affected
LinuxLinux0 < 4.4unaffected
LinuxLinux5.4.291 <= 5.4.*unaffected
LinuxLinux5.10.235 <= 5.10.*unaffected
LinuxLinux5.15.179 <= 5.15.*unaffected
LinuxLinux6.1.129 <= 6.1.*unaffected
LinuxLinux6.6.79 <= 6.6.*unaffected
LinuxLinux6.12.16 <= 6.12.*unaffected
LinuxLinux6.13.4 <= 6.13.*unaffected
LinuxLinux6.14 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

CVE Program Container

Additional References

Additional References

References