{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"ee73a32dd258d4af66831ff006b771e19812b322","status":"affected","version":"1b43af5480c351dbcb2eef478bafe179cbeb6e83","versionType":"git"},{"lessThan":"89f9c5fee3c64c5cabc34e65599308fd3c879cf9","status":"affected","version":"1b43af5480c351dbcb2eef478bafe179cbeb6e83","versionType":"git"},{"lessThan":"cb90a774a9c6c46961a44949a246fbb61f5f934c","status":"affected","version":"1b43af5480c351dbcb2eef478bafe179cbeb6e83","versionType":"git"},{"lessThan":"27210d433a8c5fe6bf7278a04bbaeb49a81d0290","status":"affected","version":"1b43af5480c351dbcb2eef478bafe179cbeb6e83","versionType":"git"},{"lessThan":"059efb48dd746518898faaa9b965511009b59639","status":"affected","version":"1b43af5480c351dbcb2eef478bafe179cbeb6e83","versionType":"git"},{"lessThan":"d8a01d27873e04bebd357dc87859aa756e0b28b2","status":"affected","version":"1b43af5480c351dbcb2eef478bafe179cbeb6e83","versionType":"git"},{"lessThan":"110ccbd28c9444866fcc84ba96a2ad64fa6e95ae","status":"affected","version":"1b43af5480c351dbcb2eef478bafe179cbeb6e83","versionType":"git"},{"lessThan":"9facb861dc6b9b9ea9793ef5032a9a826f7a4229","status":"affected","version":"1b43af5480c351dbcb2eef478bafe179cbeb6e83","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"2.6.19"},{"lessThan":"2.6.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.265","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.212","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.183","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.151","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cveId":"CVE-2026-72392","cwes":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: fib6: fix NULL deref in fib6_walk_continue() on multi-batch dump\n\ninet6_dump_fib() saves its progress in cb->args[1] as a positional\nindex within the current hash chain.  Between batches, a concurrent\nfib6_new_table() can insert a new table at the chain head, shifting\nall existing entries.  The saved index then lands on a different\ntable, causing fib6_dump_table() to set w->root to the wrong table\nwhile w->node still points into the previous one.\nfib6_walk_continue() dereferences w->node->parent (NULL) and panics:\n\n  BUG: kernel NULL pointer dereference, address: 0000000000000008\n  RIP: 0010:fib6_walk_continue+0x6e/0x170\n  Call Trace:\n   <TASK>\n   fib6_dump_table.isra.0+0xc5/0x240\n   inet6_dump_fib+0xf6/0x420\n   rtnl_dumpit+0x30/0xa0\n   netlink_dump+0x15b/0x460\n   netlink_recvmsg+0x1d6/0x2a0\n   ____sys_recvmsg+0x17a/0x190\n\nFix by storing tb->tb6_id in cb->args[1] instead of a positional\nindex.  On resume, skip entries until the id matches; a concurrent\nhead-insert can never match the saved id, so the walker always\nresumes on the correct table.","epss":{"date":"2026-11-06","percentile":0.12172,"score":0.00216},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793985583513,"publishedAt":1786773380463,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/ee73a32dd258d4af66831ff006b771e19812b322"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/89f9c5fee3c64c5cabc34e65599308fd3c879cf9"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/cb90a774a9c6c46961a44949a246fbb61f5f934c"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/27210d433a8c5fe6bf7278a04bbaeb49a81d0290"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/059efb48dd746518898faaa9b965511009b59639"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/d8a01d27873e04bebd357dc87859aa756e0b28b2"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/110ccbd28c9444866fcc84ba96a2ad64fa6e95ae"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/9facb861dc6b9b9ea9793ef5032a9a826f7a4229"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/059efb48dd746518898faaa9b965511009b59639"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/110ccbd28c9444866fcc84ba96a2ad64fa6e95ae"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/27210d433a8c5fe6bf7278a04bbaeb49a81d0290"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/89f9c5fee3c64c5cabc34e65599308fd3c879cf9"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/9facb861dc6b9b9ea9793ef5032a9a826f7a4229"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/cb90a774a9c6c46961a44949a246fbb61f5f934c"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/d8a01d27873e04bebd357dc87859aa756e0b28b2"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/ee73a32dd258d4af66831ff006b771e19812b322"}],"remediation":[],"revision":"31a64cbcea165700a441473396c81e6e0361bbd5d80d44351ad4d5d80788a16a","sources":[{"modifiedAt":1793984126333,"name":"CNA: Linux","retrievedAt":1793986098471,"url":"https://www.cve.org/CVERecord?id=CVE-2026-72392"},{"modifiedAt":1793985583513,"name":"NVD","retrievedAt":1793989710547,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72392"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793986123051,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-72392"}],"ssvc":{"assessedAt":1793984090630,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"ipv6: fib6: fix NULL deref in fib6_walk_continue() on multi-batch dump","updatedAt":1793989710547}