{"id":"CVE-2026-23212","revision":"928edd8710484069841653243440e0f6","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":[]}