{"id":"CVE-2026-23212","revision":null,"records":[{"revision":"928edd8710484069841653243440e0f6","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-23212","aliases":[],"title":"bonding: annotate data-races around slave->last_rx","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbonding: annotate data-races around slave->last_rx\n\nslave->last_rx and slave->target_last_arp_rx[...] can be read and written\nlocklessly. Add READ_ONCE() and WRITE_ONCE() annotations.\n\nsyzbot reported:\n\nBUG: KCSAN: data-race in bond_rcv_validate / bond_rcv_validate\n\nwrite to 0xffff888149f0d428 of 8 bytes by interrupt on cpu 1:\n bond_rcv_validate+0x202/0x7a0 drivers/net/bonding/bond_main.c:3335\n bond_handle_frame+0xde/0x5e0 drivers/net/bonding/bond_main.c:1533\n __netif_receive_skb_core+0x5b1/0x1950 net/core/dev.c:6039\n __netif_receive_skb_one_core net/core/dev.c:6150 [inline]\n __netif_receive_skb+0x59/0x270 net/core/dev.c:6265\n netif_receive_skb_internal net/core/dev.c:6351 [inline]\n netif_receive_skb+0x4b/0x2d0 net/core/dev.c:6410\n...\n\nwrite to 0xffff888149f0d428 of 8 bytes by interrupt on cpu 0:\n bond_rcv_validate+0x202/0x7a0 drivers/net/bonding/bond_main.c:3335\n bond_handle_frame+0xde/0x5e0 drivers/net/bonding/bond_main.c:1533\n __netif_receive_skb_core+0x5b1/0x1950 net/core/dev.c:6039\n __netif_receive_skb_one_core net/core/dev.c:6150 [inline]\n __netif_receive_skb+0x59/0x270 net/core/dev.c:6265\n netif_receive_skb_internal net/core/dev.c:6351 [inline]\n netif_receive_skb+0x4b/0x2d0 net/core/dev.c:6410\n br_netif_receive_skb net/bridge/br_input.c:30 [inline]\n NF_HOOK include/linux/netfilter.h:318 [inline]\n...\n\nvalue changed: 0x0000000100005365 -> 0x0000000100005366","state":0,"publishedAt":"2026-02-18T14:16:28.104+00:00","modifiedAt":"2026-10-19T18:35:39.012+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/net/bonding/bond_main.c\",\n \"drivers/net/bonding/bond_options.c\",\n \"include/net/bonding.h\"\n ],\n \"versions\": [\n {\n \"version\": \"f5b2b966f032f22d3a289045a5afd4afa09f09c6\",\n \"lessThan\": \"a7516cb0165926d308187e231ccd330e5e3ebff7\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"f5b2b966f032f22d3a289045a5afd4afa09f09c6\",\n \"lessThan\": \"8c0be3277e7aefb2f900fc37ca3fe7df362e26f5\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"f5b2b966f032f22d3a289045a5afd4afa09f09c6\",\n \"lessThan\": \"b956289b83887e0a306067b6003c3fcd81bfdf84\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"f5b2b966f032f22d3a289045a5afd4afa09f09c6\",\n \"lessThan\": \"bd98324e327e41de04b13e372cc16f73150df254\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"f5b2b966f032f22d3a289045a5afd4afa09f09c6\",\n \"lessThan\": \"f6c3665b6dc53c3ab7d31b585446a953a74340ef\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/net/bonding/bond_main.c\",\n \"drivers/net/bonding/bond_options.c\",\n \"include/net/bonding.h\"\n ],\n \"versions\": [\n {\n \"version\": \"2.6.19\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"2.6.19\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.162\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.123\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.69\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.9\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.19\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/a7516cb0165926d308187e231ccd330e5e3ebff7","https://git.kernel.org/stable/c/8c0be3277e7aefb2f900fc37ca3fe7df362e26f5","https://git.kernel.org/stable/c/b956289b83887e0a306067b6003c3fcd81bfdf84","https://git.kernel.org/stable/c/bd98324e327e41de04b13e372cc16f73150df254","https://git.kernel.org/stable/c/f6c3665b6dc53c3ab7d31b585446a953a74340ef"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-23212","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-23212","identifiers":["CVE-2026-23212"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-45d47722bca14f09ac26662adb699591","complete":true,"records":13654,"lastAttemptAt":"2026-11-08T21:02:36.7086981+00:00","lastSuccessAt":"2026-11-08T20:47:46.939+00:00","error":null,"lastVerifiedAt":"2026-11-08T20:47:46.939+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13706,"expectedIdentifiers":13706,"failedIdentifiers":0},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-08T21:02:31.8931850+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-08T21:02:31.893185+00:00","lastSuccessAt":"2026-11-08T21:02:32.3894193+00:00","error":null,"lastVerifiedAt":"2026-11-08T21:02:32.38942+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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