CVE-2026-72392

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72392", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.924Z", "datePublished": "2026-08-15T05:56:20.463Z", "dateUpdated": "2026-11-06T16:55:26.333Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-19T16:36:33.417Z"}, "descriptions": [{"lang": "en", "value": "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ipv6/ip6_fib.c"], "versions": [{"version": "1b43af5480c351dbcb2eef478bafe179cbeb6e83", "lessThan": "ee73a32dd258d4af66831ff006b771e19812b322", "status": "affected", "versionType": "git"}, {"version": "1b43af5480c351dbcb2eef478bafe179cbeb6e83", "lessThan": "89f9c5fee3c64c5cabc34e65599308fd3c879cf9", "status": "affected", "versionType": "git"}, {"version": "1b43af5480c351dbcb2eef478bafe179cbeb6e83", "lessThan": "cb90a774a9c6c46961a44949a246fbb61f5f934c", "status": "affected", "versionType": "git"}, {"version": "1b43af5480c351dbcb2eef478bafe179cbeb6e83", "lessThan": "27210d433a8c5fe6bf7278a04bbaeb49a81d0290", "status": "affected", "versionType": "git"}, {"version": "1b43af5480c351dbcb2eef478bafe179cbeb6e83", "lessThan": "059efb48dd746518898faaa9b965511009b59639", "status": "affected", "versionType": "git"}, {"version": "1b43af5480c351dbcb2eef478bafe179cbeb6e83", "lessThan": "d8a01d27873e04bebd357dc87859aa756e0b28b2", "status": "affected", "versionType": "git"}, {"version": "1b43af5480c351dbcb2eef478bafe179cbeb6e83", "lessThan": "110ccbd28c9444866fcc84ba96a2ad64fa6e95ae", "status": "affected", "versionType": "git"}, {"version": "1b43af5480c351dbcb2eef478bafe179cbeb6e83", "lessThan": "9facb861dc6b9b9ea9793ef5032a9a826f7a4229", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ipv6/ip6_fib.c"], "versions": [{"version": "2.6.19", "status": "affected"}, {"version": "0", "lessThan": "2.6.19", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.265", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.212", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.183", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.151", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "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": "2.6.19", "versionEndExcluding": "5.10.265"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.19", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.19", "versionEndExcluding": "6.1.183"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.19", "versionEndExcluding": "6.6.151"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.19", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.19", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.19", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.19", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ee73a32dd258d4af66831ff006b771e19812b322"}, {"url": "https://git.kernel.org/stable/c/89f9c5fee3c64c5cabc34e65599308fd3c879cf9"}, {"url": "https://git.kernel.org/stable/c/cb90a774a9c6c46961a44949a246fbb61f5f934c"}, {"url": "https://git.kernel.org/stable/c/27210d433a8c5fe6bf7278a04bbaeb49a81d0290"}, {"url": "https://git.kernel.org/stable/c/059efb48dd746518898faaa9b965511009b59639"}, {"url": "https://git.kernel.org/stable/c/d8a01d27873e04bebd357dc87859aa756e0b28b2"}, {"url": "https://git.kernel.org/stable/c/110ccbd28c9444866fcc84ba96a2ad64fa6e95ae"}, {"url": "https://git.kernel.org/stable/c/9facb861dc6b9b9ea9793ef5032a9a826f7a4229"}], "title": "ipv6: fib6: fix NULL deref in fib6_walk_continue() on multi-batch dump", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-72392", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-06T16:54:50.630136Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-06T16:55:26.333Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-72392", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-06T16:54:50.630136Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-06T16:54:51.620Z"}}], "cna": {"title": "ipv6: fib6: fix NULL deref in fib6_walk_continue() on multi-batch dump", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "1b43af5480c351dbcb2eef478bafe179cbeb6e83", "lessThan": "ee73a32dd258d4af66831ff006b771e19812b322", "versionType": "git"}, {"status": "affected", "version": "1b43af5480c351dbcb2eef478bafe179cbeb6e83", "lessThan": "89f9c5fee3c64c5cabc34e65599308fd3c879cf9", "versionType": "git"}, {"status": "affected", "version": "1b43af5480c351dbcb2eef478bafe179cbeb6e83", "lessThan": "cb90a774a9c6c46961a44949a246fbb61f5f934c", "versionType": "git"}, {"status": "affected", "version": "1b43af5480c351dbcb2eef478bafe179cbeb6e83", "lessThan": "27210d433a8c5fe6bf7278a04bbaeb49a81d0290", "versionType": "git"}, {"status": "affected", "version": "1b43af5480c351dbcb2eef478bafe179cbeb6e83", "lessThan": "059efb48dd746518898faaa9b965511009b59639", "versionType": "git"}, {"status": "affected", "version": "1b43af5480c351dbcb2eef478bafe179cbeb6e83", "lessThan": "d8a01d27873e04bebd357dc87859aa756e0b28b2", "versionType": "git"}, {"status": "affected", "version": "1b43af5480c351dbcb2eef478bafe179cbeb6e83", "lessThan": "110ccbd28c9444866fcc84ba96a2ad64fa6e95ae", "versionType": "git"}, {"status": "affected", "version": "1b43af5480c351dbcb2eef478bafe179cbeb6e83", "lessThan": "9facb861dc6b9b9ea9793ef5032a9a826f7a4229", "versionType": "git"}], "programFiles": ["net/ipv6/ip6_fib.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "2.6.19"}, {"status": "unaffected", "version": "0", "lessThan": "2.6.19", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.265", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.212", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.183", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.151", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.97", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.40", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.1.5", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/ipv6/ip6_fib.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/ee73a32dd258d4af66831ff006b771e19812b322"}, {"url": "https://git.kernel.org/stable/c/89f9c5fee3c64c5cabc34e65599308fd3c879cf9"}, {"url": "https://git.kernel.org/stable/c/cb90a774a9c6c46961a44949a246fbb61f5f934c"}, {"url": "https://git.kernel.org/stable/c/27210d433a8c5fe6bf7278a04bbaeb49a81d0290"}, {"url": "https://git.kernel.org/stable/c/059efb48dd746518898faaa9b965511009b59639"}, {"url": "https://git.kernel.org/stable/c/d8a01d27873e04bebd357dc87859aa756e0b28b2"}, {"url": "https://git.kernel.org/stable/c/110ccbd28c9444866fcc84ba96a2ad64fa6e95ae"}, {"url": "https://git.kernel.org/stable/c/9facb861dc6b9b9ea9793ef5032a9a826f7a4229"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "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."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.265", "versionStartIncluding": "2.6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.212", "versionStartIncluding": "2.6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.183", "versionStartIncluding": "2.6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.151", "versionStartIncluding": "2.6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.97", "versionStartIncluding": "2.6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.40", "versionStartIncluding": "2.6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.1.5", "versionStartIncluding": "2.6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.2", "versionStartIncluding": "2.6.19"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-19T16:36:33.417Z"}}}, "cveMetadata": {"cveId": "CVE-2026-72392", "state": "PUBLISHED", "dateUpdated": "2026-11-06T16:55:26.333Z", "dateReserved": "2026-08-09T03:40:39.924Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-08-15T05:56:20.463Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/ipv6/ip6_fib.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "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", "programFiles": ["net/ipv6/ip6_fib.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "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"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-72392", "lastModified": "2026-11-06T17:19:43.513", "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-72392", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-06T16:54:50.630136Z", "version": "2.0.3"}}]}, "published": "2026-08-15T06:22:12.733", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/059efb48dd746518898faaa9b965511009b59639"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/110ccbd28c9444866fcc84ba96a2ad64fa6e95ae"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/27210d433a8c5fe6bf7278a04bbaeb49a81d0290"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/89f9c5fee3c64c5cabc34e65599308fd3c879cf9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9facb861dc6b9b9ea9793ef5032a9a826f7a4229"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cb90a774a9c6c46961a44949a246fbb61f5f934c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d8a01d27873e04bebd357dc87859aa756e0b28b2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ee73a32dd258d4af66831ff006b771e19812b322"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: ipv6: fib6: fix NULL deref in fib6_walk_continue() on multi-batch dump", "id": "2516646", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516646"}, "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:\nipv6: fib6: fix NULL deref in fib6_walk_continue() on multi-batch dump\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:\nBUG: kernel NULL pointer dereference, address: 0000000000000008\nRIP: 0010:fib6_walk_continue+0x6e/0x170\nCall Trace:\n<TASK>\nfib6_dump_table.isra.0+0xc5/0x240\ninet6_dump_fib+0xf6/0x420\nrtnl_dumpit+0x30/0xa0\nnetlink_dump+0x15b/0x460\nnetlink_recvmsg+0x1d6/0x2a0\n____sys_recvmsg+0x17a/0x190\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.", "A flaw was found in the Linux kernel's IPv6 networking component. A vulnerability exists where a NULL pointer dereference can occur in the fib6_walk_continue() function during a multi-batch dump operation. This issue arises when a concurrent table insertion shifts existing entries, causing an incorrect pointer dereference. A local attacker could exploit this to trigger a kernel panic, leading to a Denial of Service (DoS) on the system."], "name": "CVE-2026-72392", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "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": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-72392\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72392\nhttps://lore.kernel.org/linux-cve-announce/2026081520-CVE-2026-72392-f497@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1b43af5480c351dbcb2eef478bafe179cbeb6e83,89f9c5fee3c64c5cabc34e65599308fd3c879cf9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1b43af5480c351dbcb2eef478bafe179cbeb6e83,27210d433a8c5fe6bf7278a04bbaeb49a81d0290)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1b43af5480c351dbcb2eef478bafe179cbeb6e83,059efb48dd746518898faaa9b965511009b59639)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1b43af5480c351dbcb2eef478bafe179cbeb6e83,d8a01d27873e04bebd357dc87859aa756e0b28b2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1b43af5480c351dbcb2eef478bafe179cbeb6e83,110ccbd28c9444866fcc84ba96a2ad64fa6e95ae)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1b43af5480c351dbcb2eef478bafe179cbeb6e83,9facb861dc6b9b9ea9793ef5032a9a826f7a4229)"}}], "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": "semver", "value": "2.6.19"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.19)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.212,6.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.151,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.97,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.40,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc2,*]"}}], "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": "2026-08-15T19:30:03.291326+00:00", "updated": "2026-08-22T05:30:17.951024+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}