CVE-2026-43230

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If the reconnect worker has not yet been\nscheduled before it is canceled, the reconnect-pending bit will stay\non forever."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:N - RDS over TCP exposes a kernel listener on TCP port 16385, and unauthenticated remote peers can drive the connection state changes that lead through rds_tcp_state_change(), rds_conn_path_drop(), and rds_conn_shutdown().\nAC:L - The attacker can repeatedly create/drop TCP connections or induce reconnect races; the stale pending-bit condition is reachable through normal connection-management timing and does not depend on an uncontrollable environment condition.\nPR:N - The network path accepts TCP peers before any RDS-level authentication or credential check, so a remote attacker needs no local account or privileges.\nUI:N - No victim user action is required once RDS TCP is enabled and reachable; the attacker only needs to interact with the exposed RDS TCP service.\nS:U - The impact remains within the kernel/RDS networking service security authority and does not cross a VM, sandbox, IOMMU, or similar boundary.\nC:N - The bug is a stale connection-management flag that suppresses reconnect scheduling; it does not expose memory contents or provide an information disclosure primitive.\nI:N - The issue does not corrupt memory or allow attacker-controlled modification of kernel or application data; it only affects reconnection behavior.\nA:H - Leaving RDS_RECONNECT_PENDING set can prevent future reconnect scheduling indefinitely, making the affected RDS path or peer connection unavailable until administrative recovery or another reset. In a critical RDS deployment this can fully deny communication to that peer, so high availability impact is appropriate."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/rds/connection.c"], "versions": [{"version": "00e0f34c616603ba6500f41943cbf89eb4a8a5be", "lessThan": "3cf001aff71b1db1b4732a5381b012a114720664", "status": "affected", "versionType": "git"}, {"version": "00e0f34c616603ba6500f41943cbf89eb4a8a5be", "lessThan": "60b347333ec259ac7352f62cbbc365b04c065ff8", "status": "affected", "versionType": "git"}, {"version": "00e0f34c616603ba6500f41943cbf89eb4a8a5be", "lessThan": "597c46a42930c963f448720aaf5001dd4ed98af4", "status": "affected", "versionType": "git"}, {"version": "00e0f34c616603ba6500f41943cbf89eb4a8a5be", "lessThan": "391200c274e90c34071b909ba12e3390b81b767f", "status": "affected", "versionType": "git"}, {"version": "00e0f34c616603ba6500f41943cbf89eb4a8a5be", "lessThan": "ba2e3472022f44baddf000621fed150d7a599ea3", "status": "affected", "versionType": "git"}, {"version": "00e0f34c616603ba6500f41943cbf89eb4a8a5be", "lessThan": "14eae5564053ac3973b9369dc674638f22f4765e", "status": "affected", "versionType": "git"}, {"version": "00e0f34c616603ba6500f41943cbf89eb4a8a5be", "lessThan": "bcf034fa5f66b6a3e787f765a917934a2045cf7a", "status": "affected", "versionType": "git"}, {"version": "00e0f34c616603ba6500f41943cbf89eb4a8a5be", "lessThan": "b89fc7c2523b2b0750d91840f4e52521270d70ed", "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/rds/connection.c"], "versions": [{"version": "2.6.30", "status": "affected"}, {"version": "0", "lessThan": "2.6.30", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.252", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.202", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.165", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.128", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.75", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.16", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.6", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "2.6.30", "versionEndExcluding": "5.10.252"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "5.15.202"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "6.1.165"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "6.6.128"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "6.12.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "6.18.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "6.19.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3cf001aff71b1db1b4732a5381b012a114720664"}, {"url": "https://git.kernel.org/stable/c/60b347333ec259ac7352f62cbbc365b04c065ff8"}, {"url": "https://git.kernel.org/stable/c/597c46a42930c963f448720aaf5001dd4ed98af4"}, {"url": "https://git.kernel.org/stable/c/391200c274e90c34071b909ba12e3390b81b767f"}, {"url": "https://git.kernel.org/stable/c/ba2e3472022f44baddf000621fed150d7a599ea3"}, {"url": "https://git.kernel.org/stable/c/14eae5564053ac3973b9369dc674638f22f4765e"}, {"url": "https://git.kernel.org/stable/c/bcf034fa5f66b6a3e787f765a917934a2045cf7a"}, {"url": "https://git.kernel.org/stable/c/b89fc7c2523b2b0750d91840f4e52521270d70ed"}], "title": "net/rds: Clear reconnect pending bit", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

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If the reconnect worker has not yet been\nscheduled before it is canceled, the reconnect-pending bit will stay\non forever."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nnet/rds: Borrar bit de reconexi\u00f3n pendiente\n\nAl cancelar el trabajador de reconexi\u00f3n, se debe tener cuidado de restablecer el bit de reconexi\u00f3n pendiente. Si el trabajador de reconexi\u00f3n a\u00fan no ha sido programado antes de que sea cancelado, el bit de reconexi\u00f3n pendiente permanecer\u00e1 activado para siempre."}], "id": "CVE-2026-43230", "lastModified": "2026-11-11T20:10:00.273", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}]}, "published": "2026-05-06T12:16:42.957", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/14eae5564053ac3973b9369dc674638f22f4765e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/391200c274e90c34071b909ba12e3390b81b767f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3cf001aff71b1db1b4732a5381b012a114720664"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/597c46a42930c963f448720aaf5001dd4ed98af4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/60b347333ec259ac7352f62cbbc365b04c065ff8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b89fc7c2523b2b0750d91840f4e52521270d70ed"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ba2e3472022f44baddf000621fed150d7a599ea3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bcf034fa5f66b6a3e787f765a917934a2045cf7a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: net/rds: Clear reconnect pending bit", "id": "2467115", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467115"}, "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-459", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet/rds: Clear reconnect pending bit\nWhen canceling the reconnect worker, care must be taken to reset the\nreconnect-pending bit. If the reconnect worker has not yet been\nscheduled before it is canceled, the reconnect-pending bit will stay\non forever.", "A flaw was found in the Linux kernel's Reliable Datagram Sockets (RDS) network protocol. When the reconnect worker is canceled before it has been scheduled, the 'reconnect-pending' bit is not properly cleared. This can lead to a state where the system indefinitely believes a reconnect is pending, potentially causing a denial of service (DoS) by preventing further network operations or consuming system resources."], "name": "CVE-2026-43230", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43230\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43230\nhttps://lore.kernel.org/linux-cve-announce/2026050656-CVE-2026-43230-9cb4@gregkh/T"], "threat_severity": "Moderate"}

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