{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64078", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T07:54:57.031Z", "datePublished": "2026-07-19T15:39:51.582Z", "dateUpdated": "2026-07-19T15:39:51.582Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-19T15:39:51.582Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: x_tables: add and use xtables_unregister_table_exit\n\nPrevious change added xtables_unregister_table_pre_exit to detach the\ntable from the packetpath and to unlink it from the active table list.\nIn case of rmmod, userspace that is doing set/getsockopt for this table\nwill not be able to re-instantiate the table:\n 1. The larval table has been removed already\n 2. existing instantiated table is no longer on the xt pernet table list.\n\nThis adds the second stage helper:\n\nunlink the table from the dying list, free the hook ops (if any) and do\nthe audit notification. It replaces xt_unregister_table()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/linux/netfilter/x_tables.h", "net/ipv4/netfilter/arp_tables.c", "net/ipv4/netfilter/ip_tables.c", "net/ipv4/netfilter/iptable_nat.c", "net/ipv6/netfilter/ip6_tables.c", "net/ipv6/netfilter/ip6table_nat.c", "net/netfilter/x_tables.c"], "versions": [{"version": "fdacd57c79b79a03c7ca88f706ad9fb7b46831c1", "lessThan": "86ee5bc9c0f0e652e19f395675a432de11b75514", "status": "affected", "versionType": "git"}, {"version": "fdacd57c79b79a03c7ca88f706ad9fb7b46831c1", "lessThan": "8026e5163cca1d1db436c7bfb89ddea8b5e8c2cf", "status": "affected", "versionType": "git"}, {"version": "fdacd57c79b79a03c7ca88f706ad9fb7b46831c1", "lessThan": "b4597d5fd7d2f8cebfffd40dffb5e003cc78964c", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/linux/netfilter/x_tables.h", "net/ipv4/netfilter/arp_tables.c", "net/ipv4/netfilter/ip_tables.c", "net/ipv4/netfilter/iptable_nat.c", "net/ipv6/netfilter/ip6_tables.c", "net/ipv6/netfilter/ip6table_nat.c", "net/netfilter/x_tables.c"], "versions": [{"version": "5.15", "status": "affected"}, {"version": "0", "lessThan": "5.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.34", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.11", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "5.15", "versionEndExcluding": "6.18.34"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "7.0.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/86ee5bc9c0f0e652e19f395675a432de11b75514"}, {"url": "https://git.kernel.org/stable/c/8026e5163cca1d1db436c7bfb89ddea8b5e8c2cf"}, {"url": "https://git.kernel.org/stable/c/b4597d5fd7d2f8cebfffd40dffb5e003cc78964c"}], "title": "netfilter: x_tables: add and use xtables_unregister_table_exit", "x_generator": {"engine": "bippy-1.2.0"}}}}

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