{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"451c2d5422a309393aa8ae161fc1a527c2f19ab2","status":"affected","version":"4e24be018eb9dbcefa4b01c07e298b147dc1a4d7","versionType":"git"},{"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","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"5.18"},{"lessThan":"5.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.183","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","versionType":"original_commit_for_fix"}]}],"cveId":"CVE-2026-68336","cwes":[],"description":"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.","epss":{"date":"2026-11-06","percentile":0.07662,"score":0.0018},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793985569420,"publishedAt":1786363392592,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/451c2d5422a309393aa8ae161fc1a527c2f19ab2"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/2a4bad24ac5296b262ad821aa5e08bb265e6b154"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/690ce66782778e8c4b1fdd79c0b0890a100e9522"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/992dce02bdabbd9883255ea9b36494e34a7821d7"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/738039ad21e20ca2c5bbde2f5a4f5ad5fb718038"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/1c975de3343cdef506f2eecc833cc1f14b0401c4"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/1c975de3343cdef506f2eecc833cc1f14b0401c4"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/2a4bad24ac5296b262ad821aa5e08bb265e6b154"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/451c2d5422a309393aa8ae161fc1a527c2f19ab2"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/690ce66782778e8c4b1fdd79c0b0890a100e9522"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/738039ad21e20ca2c5bbde2f5a4f5ad5fb718038"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/992dce02bdabbd9883255ea9b36494e34a7821d7"}],"remediation":[],"revision":"4fdb58d31728cf2de185baa2b410430529af46f0e0905989249976fd6b5de671","sources":[{"modifiedAt":1793984113466,"name":"CNA: Linux","retrievedAt":1793985972747,"url":"https://www.cve.org/CVERecord?id=CVE-2026-68336"},{"modifiedAt":1793985569420,"name":"NVD","retrievedAt":1793989634961,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68336"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793985997774,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-68336"}],"ssvc":{"assessedAt":1793983649663,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"bonding: fix devconf_all NULL dereference when IPv6 is disabled","updatedAt":1793989634961}