{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23212", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:37:45.986Z", "datePublished": "2026-02-18T14:16:28.104Z", "dateUpdated": "2026-02-18T14:16:28.104Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-02-18T14:16:28.104Z"}, "descriptions": [{"lang": "en", "value": "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"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/bonding/bond_main.c", "drivers/net/bonding/bond_options.c", "include/net/bonding.h"], "versions": [{"version": "f5b2b966f032f22d3a289045a5afd4afa09f09c6", "lessThan": "a7516cb0165926d308187e231ccd330e5e3ebff7", "status": "affected", "versionType": "git"}, {"version": "f5b2b966f032f22d3a289045a5afd4afa09f09c6", "lessThan": "8c0be3277e7aefb2f900fc37ca3fe7df362e26f5", "status": "affected", "versionType": "git"}, {"version": "f5b2b966f032f22d3a289045a5afd4afa09f09c6", "lessThan": "b956289b83887e0a306067b6003c3fcd81bfdf84", "status": "affected", "versionType": "git"}, {"version": "f5b2b966f032f22d3a289045a5afd4afa09f09c6", "lessThan": "bd98324e327e41de04b13e372cc16f73150df254", "status": "affected", "versionType": "git"}, {"version": "f5b2b966f032f22d3a289045a5afd4afa09f09c6", "lessThan": "f6c3665b6dc53c3ab7d31b585446a953a74340ef", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/bonding/bond_main.c", "drivers/net/bonding/bond_options.c", "include/net/bonding.h"], "versions": [{"version": "2.6.19", "status": "affected"}, {"version": "0", "lessThan": "2.6.19", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.162", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.123", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.69", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.9", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19", "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": "6.1.162"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.19", "versionEndExcluding": "6.6.123"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.19", "versionEndExcluding": "6.12.69"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.19", "versionEndExcluding": "6.18.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.19", "versionEndExcluding": "6.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a7516cb0165926d308187e231ccd330e5e3ebff7"}, {"url": "https://git.kernel.org/stable/c/8c0be3277e7aefb2f900fc37ca3fe7df362e26f5"}, {"url": "https://git.kernel.org/stable/c/b956289b83887e0a306067b6003c3fcd81bfdf84"}, {"url": "https://git.kernel.org/stable/c/bd98324e327e41de04b13e372cc16f73150df254"}, {"url": "https://git.kernel.org/stable/c/f6c3665b6dc53c3ab7d31b585446a953a74340ef"}], "title": "bonding: annotate data-races around slave->last_rx", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C7C23F7A-B2D7-4094-9419-D02BB6EEF2A5", "versionEndExcluding": "6.1.162", "versionStartIncluding": "2.6.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "316D8D4E-FE44-4C76-8403-63CAF51EEFC2", "versionEndExcluding": "6.6.123", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "3F0D11B0-A3DA-4D8F-89B9-CFD2094EBA37", "versionEndExcluding": "6.12.69", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "171CFCB2-8F49-4F9E-8A67-FAC6BF45B5A2", "versionEndExcluding": "6.18.9", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*", "matchCriteriaId": "17B67AA7-40D6-4AFA-8459-F200F3D7CFD1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*", "matchCriteriaId": "C47E4CC9-C826-4FA9-B014-7FE3D9B318B2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*", "matchCriteriaId": "F71D92C0-C023-48BD-B3B6-70B638EEE298", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*", "matchCriteriaId": "13580667-0A98-40CC-B29F-D12790B91BDB", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*", "matchCriteriaId": "CAD1FED7-CF48-47BF-AC7D-7B6FA3C065FC", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*", "matchCriteriaId": "3EF854A1-ABB1-4E93-BE9A-44569EC76C0D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:*", "matchCriteriaId": "F5DC0CA6-F0AF-4DDF-A882-3DADB9A886A7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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"}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nbonding: anotar condiciones de carrera de datos alrededor de slave->last_rx\n\nslave->last_rx y slave->target_last_arp_rx[...] pueden ser le\u00eddos y escritos sin bloqueo. A\u00f1adir anotaciones READ_ONCE() y WRITE_ONCE().\n\nsyzbot inform\u00f3:\n\nERROR: KCSAN: condici\u00f3n de carrera de datos en bond_rcv_validate / bond_rcv_validate\n\nescritura en 0xffff888149f0d428 de 8 bytes por interrupci\u00f3n en la 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\nescritura en 0xffff888149f0d428 de 8 bytes por interrupci\u00f3n en la 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\nvalor cambiado: 0x0000000100005365 -> 0x0000000100005366"}], "id": "CVE-2026-23212", "lastModified": "2026-03-18T20:37:42.577", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-02-18T15:18:42.470", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8c0be3277e7aefb2f900fc37ca3fe7df362e26f5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a7516cb0165926d308187e231ccd330e5e3ebff7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b956289b83887e0a306067b6003c3fcd81bfdf84"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bd98324e327e41de04b13e372cc16f73150df254"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f6c3665b6dc53c3ab7d31b585446a953a74340ef"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-367"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: bonding: annotate data-races around slave->last_rx", "id": "2440633", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2440633"}, "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"}, "details": ["No description is available for this CVE."], "name": "CVE-2026-23212", "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": "2026-02-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-23212\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-23212\nhttps://lore.kernel.org/linux-cve-announce/2026021832-CVE-2026-23212-adae@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2026-02-19T10:19:47.065731+00:00", "updated": "2026-02-19T10:19:47.065835+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}