{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-53337",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-06-09T07:44:35.399Z",
        "datePublished": "2026-07-01T13:32:19.046Z",
        "dateUpdated": "2026-07-01T13:32:19.046Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-07-01T13:32:19.046Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: bonding: fix NULL pointer dereference in bond_do_ioctl()\n\nIn bond_do_ioctl(), slave_dev is obtained via __dev_get_by_name() which\ncan return NULL if the requested interface name does not exist. However,\nthe subsequent slave_dbg() call is placed before the NULL check:\n\n    slave_dev = __dev_get_by_name(net, ifr->ifr_slave);\n    slave_dbg(bond_dev, slave_dev, \"slave_dev=%p:\\n\", slave_dev); //here\n    if (!slave_dev)\n        return -ENODEV;\n\nThe slave_dbg() macro expands to netdev_dbg(bond_dev, \"(slave %s): \" fmt,\n(slave_dev)->name, ...) which unconditionally dereferences slave_dev->name\nbefore the NULL check is performed. This results in a NULL pointer\ndereference kernel oops when a user calls bonding ioctl (e.g.\nSIOCBONDENSLAVE, SIOCBONDRELEASE, etc.) with a non-existent slave\ninterface name.\n\nThis is reachable from userspace via the bonding ioctl interface with\nCAP_NET_ADMIN capability, making it a potential local denial-of-service\nvector.\n\nFix by moving the slave_dbg() call after the NULL check."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/bonding/bond_main.c"
                    ],
                    "versions": [
                        {
                            "version": "e2a7420df2e01370b40e4cf7b85ab9a885c6d755",
                            "lessThan": "1b7558c85493467b2ea20738866b822db6442034",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e2a7420df2e01370b40e4cf7b85ab9a885c6d755",
                            "lessThan": "b02b2e3e876c18733b868a29064abd11cdbf8feb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e2a7420df2e01370b40e4cf7b85ab9a885c6d755",
                            "lessThan": "66693957bacd1c9dae6188a7312d6be69a221f2d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e2a7420df2e01370b40e4cf7b85ab9a885c6d755",
                            "lessThan": "a629418d463fb50d132a1aa063b0105857311e5f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e2a7420df2e01370b40e4cf7b85ab9a885c6d755",
                            "lessThan": "c2cfe290fdb1c32a4f4eb2b8ca3f363b305d21ba",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e2a7420df2e01370b40e4cf7b85ab9a885c6d755",
                            "lessThan": "bcb8fad90f27300add583a8371db504b766d95c7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e2a7420df2e01370b40e4cf7b85ab9a885c6d755",
                            "lessThan": "b0878106ddc486375084145848ff255dedfff46a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e2a7420df2e01370b40e4cf7b85ab9a885c6d755",
                            "lessThan": "a764b0e8317a863006e05732e1aefe821b9d8c2d",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/bonding/bond_main.c"
                    ],
                    "versions": [
                        {
                            "version": "5.3",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.3",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.259",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.210",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.176",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.143",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.94",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.36",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.13",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.3",
                                    "versionEndExcluding": "5.10.259"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.3",
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                                },
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                                    "versionEndExcluding": "7.1"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/1b7558c85493467b2ea20738866b822db6442034"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b02b2e3e876c18733b868a29064abd11cdbf8feb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/66693957bacd1c9dae6188a7312d6be69a221f2d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a629418d463fb50d132a1aa063b0105857311e5f"
                },
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                    "url": "https://git.kernel.org/stable/c/c2cfe290fdb1c32a4f4eb2b8ca3f363b305d21ba"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bcb8fad90f27300add583a8371db504b766d95c7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b0878106ddc486375084145848ff255dedfff46a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a764b0e8317a863006e05732e1aefe821b9d8c2d"
                }
            ],
            "title": "net: bonding: fix NULL pointer dereference in bond_do_ioctl()",
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}