{"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": "2026-08-10T12:03:12.592Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-10T12:03:12.592Z"}, "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": "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": "6.6.148", "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-rc5", "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": "6.6.148"}, {"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-rc5"}]}]}], "references": [{"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"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/bonding/bond_main.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "2a4bad24ac5296b262ad821aa5e08bb265e6b154", "status": "affected", "version": "4e24be018eb9dbcefa4b01c07e298b147dc1a4d7", "versionType": "git"}, {"lessThan": "690ce66782778e8c4b1fdd79c0b0890a100e9522", "status": "affected", "version": "4e24be018eb9dbcefa4b01c07e298b147dc1a4d7", "versionType": "git"}, {"lessThan": "992dce02bdabbd9883255ea9b36494e34a7821d7", "status": "affected", "version": "4e24be018eb9dbcefa4b01c07e298b147dc1a4d7", "versionType": "git"}, {"lessThan": "738039ad21e20ca2c5bbde2f5a4f5ad5fb718038", "status": "affected", "version": "4e24be018eb9dbcefa4b01c07e298b147dc1a4d7", "versionType": "git"}, {"lessThan": "1c975de3343cdef506f2eecc833cc1f14b0401c4", "status": "affected", "version": "4e24be018eb9dbcefa4b01c07e298b147dc1a4d7", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/bonding/bond_main.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.18"}, {"lessThan": "5.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.148", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.101", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.42", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2-rc5", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-68336", "lastModified": "2026-08-10T13:20:23.990", "metrics": {}, "published": "2026-08-10T13:20:23.990", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1c975de3343cdef506f2eecc833cc1f14b0401c4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2a4bad24ac5296b262ad821aa5e08bb265e6b154"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/690ce66782778e8c4b1fdd79c0b0890a100e9522"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/738039ad21e20ca2c5bbde2f5a4f5ad5fb718038"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/992dce02bdabbd9883255ea9b36494e34a7821d7"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: bonding: fix devconf_all NULL dereference when IPv6 is disabled", "id": "2513151", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513151"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nbonding: fix devconf_all NULL dereference when IPv6 is disabled\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().\nBUG: kernel NULL pointer dereference, address: 000000000000000c\n[...]\nWorkqueue: bond0 bond_arp_monitor [bonding]\nRIP: 0010:ip6_pol_route+0x69/0x480\n[...]\nCall Trace:\n<TASK>\n? srso_return_thunk+0x5/0x5f\n? __pfx_ip6_pol_route_output+0x10/0x10\nfib6_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\nip6_route_output_flags+0xd7/0x170\nbond_ns_send_all+0xde/0x280 [bonding]\nbond_ab_arp_probe+0x296/0x320 [bonding]\n? srso_return_thunk+0x5/0x5f\nbond_activebackup_arp_mon+0xb4/0x2c0 [bonding]\nprocess_one_work+0x196/0x370\nworker_thread+0x1af/0x320\n? srso_return_thunk+0x5/0x5f\n? __pfx_worker_thread+0x10/0x10\nkthread+0xe3/0x120\n? __pfx_kthread+0x10/0x10\nret_from_fork+0x199/0x260\n? __pfx_kthread+0x10/0x10\nret_from_fork_asm+0x1a/0x30\n</TASK>\nFix this by adding ipv6_mod_enabled() condition check in the caller.", "A flaw was found in the Linux kernel's bonding module. When a system is booted with IPv6 disabled, the bonding module incorrectly attempts to send IPv6 Network Service (NS) packets. This leads to a null pointer dereference, which is an attempt to access uninitialized memory. The consequence of this flaw is a kernel panic, resulting in a system crash and a Denial of Service (DoS)."], "name": "CVE-2026-68336", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-68336\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-68336\nhttps://lore.kernel.org/linux-cve-announce/2026081036-CVE-2026-68336-acbd@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4e24be018eb9dbcefa4b01c07e298b147dc1a4d7,2a4bad24ac5296b262ad821aa5e08bb265e6b154)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4e24be018eb9dbcefa4b01c07e298b147dc1a4d7,690ce66782778e8c4b1fdd79c0b0890a100e9522)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4e24be018eb9dbcefa4b01c07e298b147dc1a4d7,992dce02bdabbd9883255ea9b36494e34a7821d7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4e24be018eb9dbcefa4b01c07e298b147dc1a4d7,738039ad21e20ca2c5bbde2f5a4f5ad5fb718038)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4e24be018eb9dbcefa4b01c07e298b147dc1a4d7,1c975de3343cdef506f2eecc833cc1f14b0401c4)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "5.18"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.18)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.148,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.101,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.42,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.6,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc5,*)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-10T17:00:03.762737+00:00", "updated": "2026-08-13T04:00:09.658410+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-476"]}