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CVE-2025-21762

arp: use RCU protection in arp_xmit() PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
Linux / Linuxaffected 29a26a56803855a79dbd028cd61abee56237d6e5 before 10f555e3f573d004ae9d89b3276abb58c4ede5c3; affected 29a26a56803855a79dbd028cd61abee56237d6e5 before 307cd1e2d3cb1cbc6c40c679cada6d7168b18431; affected 29a26a56803855a79dbd028cd61abee56237d6e5 before d9366ac2f956a1948b68c0500f84a3462ff2ed8a; affected 29a26a56803855a79dbd028cd61abee56237d6e5 before f189654459423d4d48bef2d120b4bfba559e6039; affected 29a26a56803855a79dbd028cd61abee56237d6e5 before e9f4dee534eb1b225b0a120395ad9bc2afe164d3; affected 29a26a56803855a79dbd028cd61abee56237d6e5 before 01d1b5c9abcaff29a43f1d17a19c33eec92c7dbe; affected 29a26a56803855a79dbd028cd61abee56237d6e5 before 2c331718d3389b6c5f6855078ab7171849e016bd; affected 29a26a56803855a79dbd028cd61abee56237d6e5 before a42b69f692165ec39db42d595f4f65a4c8f42e44
Linux / Linuxaffected 4.4; unaffected 0 before 4.4; unaffected 5.4.291 through 5.4.*; unaffected 5.10.235 through 5.10.*; unaffected 5.15.179 through 5.15.*; unaffected 6.1.129 through 6.1.*; unaffected 6.6.79 through 6.6.*; unaffected 6.12.16 through 6.12.*; unaffected 6.13.4 through 6.13.*; unaffected 6.14 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

CVE

No English description supplied.

siemens-SADP

No English description supplied.