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arp: use RCU protection in arp_xmit()

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2025-21762

Published

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv4/arp.c"
                    ],
                    "versions": [
                        {
                            "version": "29a26a56803855a79dbd028cd61abee56237d6e5",
                            "lessThan": "10f555e3f573d004ae9d89b3276abb58c4ede5c3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "29a26a56803855a79dbd028cd61abee56237d6e5",
                            "lessThan": "307cd1e2d3cb1cbc6c40c679cada6d7168b18431",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "29a26a56803855a79dbd028cd61abee56237d6e5",
                            "lessThan": "d9366ac2f956a1948b68c0500f84a3462ff2ed8a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "29a26a56803855a79dbd028cd61abee56237d6e5",
                            "lessThan": "f189654459423d4d48bef2d120b4bfba559e6039",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "29a26a56803855a79dbd028cd61abee56237d6e5",
                            "lessThan": "e9f4dee534eb1b225b0a120395ad9bc2afe164d3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "29a26a56803855a79dbd028cd61abee56237d6e5",
                            "lessThan": "01d1b5c9abcaff29a43f1d17a19c33eec92c7dbe",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "29a26a56803855a79dbd028cd61abee56237d6e5",
                            "lessThan": "2c331718d3389b6c5f6855078ab7171849e016bd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "29a26a56803855a79dbd028cd61abee56237d6e5",
                            "lessThan": "a42b69f692165ec39db42d595f4f65a4c8f42e44",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv4/arp.c"
                    ],
                    "versions": [
                        {
                            "version": "4.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.291",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.235",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.179",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.129",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.79",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.16",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.13.4",
                            "lessThanOrEqual": "6.13.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.14",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

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Sources read 9 Nov 19:13 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current