{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-68336",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-30T09:28:09.383Z",
        "datePublished": "2026-08-10T12:03:12.592Z",
        "dateUpdated": "2026-08-19T16:33:35.547Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-19T16:33:35.547Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbonding: fix devconf_all NULL dereference when IPv6 is disabled\n\nWhen booting with the 'ipv6.disable=1' parameter, the devconf_all is\nnever initialized because inet6_init() exits before addrconf_init() is\ncalled which initializes it. bond_send_validate(), however, will still\ncall bond_ns_send_all() even ipv6 is indeed disabled. It will lead to\nNULL derefence of net->ipv6.devconf_all in ip6_pol_route().\n\n BUG: kernel NULL pointer dereference, address: 000000000000000c\n [...]\n Workqueue: bond0 bond_arp_monitor [bonding]\n RIP: 0010:ip6_pol_route+0x69/0x480\n [...]\n Call Trace:\n  <TASK>\n  ? srso_return_thunk+0x5/0x5f\n  ? __pfx_ip6_pol_route_output+0x10/0x10\n  fib6_rule_lookup+0xfe/0x260\n  ? wakeup_preempt+0x8a/0x90\n  ? srso_return_thunk+0x5/0x5f\n  ? srso_return_thunk+0x5/0x5f\n  ? sched_balance_rq+0x369/0x810\n  ip6_route_output_flags+0xd7/0x170\n  bond_ns_send_all+0xde/0x280 [bonding]\n  bond_ab_arp_probe+0x296/0x320 [bonding]\n  ? srso_return_thunk+0x5/0x5f\n  bond_activebackup_arp_mon+0xb4/0x2c0 [bonding]\n  process_one_work+0x196/0x370\n  worker_thread+0x1af/0x320\n  ? srso_return_thunk+0x5/0x5f\n  ? __pfx_worker_thread+0x10/0x10\n  kthread+0xe3/0x120\n  ? __pfx_kthread+0x10/0x10\n  ret_from_fork+0x199/0x260\n  ? __pfx_kthread+0x10/0x10\n  ret_from_fork_asm+0x1a/0x30\n  </TASK>\n\nFix this by adding ipv6_mod_enabled() condition check in the caller."
                }
            ],
            "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": "4e24be018eb9dbcefa4b01c07e298b147dc1a4d7",
                            "lessThan": "451c2d5422a309393aa8ae161fc1a527c2f19ab2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4e24be018eb9dbcefa4b01c07e298b147dc1a4d7",
                            "lessThan": "2a4bad24ac5296b262ad821aa5e08bb265e6b154",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4e24be018eb9dbcefa4b01c07e298b147dc1a4d7",
                            "lessThan": "690ce66782778e8c4b1fdd79c0b0890a100e9522",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4e24be018eb9dbcefa4b01c07e298b147dc1a4d7",
                            "lessThan": "992dce02bdabbd9883255ea9b36494e34a7821d7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4e24be018eb9dbcefa4b01c07e298b147dc1a4d7",
                            "lessThan": "738039ad21e20ca2c5bbde2f5a4f5ad5fb718038",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4e24be018eb9dbcefa4b01c07e298b147dc1a4d7",
                            "lessThan": "1c975de3343cdef506f2eecc833cc1f14b0401c4",
                            "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": "5.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.183",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.148",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.101",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.42",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.6",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "6.1.183"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "6.6.148"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "6.12.101"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "6.18.42"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "7.1.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/451c2d5422a309393aa8ae161fc1a527c2f19ab2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2a4bad24ac5296b262ad821aa5e08bb265e6b154"
                },
                {
                    "url": "https://git.kernel.org/stable/c/690ce66782778e8c4b1fdd79c0b0890a100e9522"
                },
                {
                    "url": "https://git.kernel.org/stable/c/992dce02bdabbd9883255ea9b36494e34a7821d7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/738039ad21e20ca2c5bbde2f5a4f5ad5fb718038"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1c975de3343cdef506f2eecc833cc1f14b0401c4"
                }
            ],
            "title": "bonding: fix devconf_all NULL dereference when IPv6 is disabled",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}