CVE-2024-38590

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Change ibdev_err() to\nibdev_err_ratelimited(), and change the printing level of cqe dump\nto debug level."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H", "baseScore": 7.1, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:A - hns_roce is a RoCE HCA, and the printing path is driven by error completions that a peer on the same RDMA/Ethernet fabric can generate against kernel ULP CQs (NFS/RDMA server, SMB Direct, nvmet-rdma, SMC-R) polled via `__ib_process_cq()` \u2192 `hns_roce_v2_poll_cq()`. RoCE is confined to a lossless L2/L3 datacenter segment rather than the open Internet, so the attacker must be on the adjacent fabric.\nAC:L - The attacker fully controls the trigger \u2014 repeatedly opening RDMA connections or issuing requests with invalid rkeys deterministically produces non-flush error CQEs, each of which emits an unratelimited KERN_ERR line plus a hex dump. No memory-layout or timing condition outside the attacker's control is involved.\nPR:N - RDMA target services (NFS/RDMA, SMB Direct, nvmet-rdma, SMC-R) accept connections from any peer on the fabric, and connection-setup/teardown transport errors occur before any application-level authentication. The alternative local path only needs an unprivileged user with the world-accessible /dev/infiniband/uverbs* device.\nUI:N - The flood is produced entirely by attacker-initiated RDMA traffic (or attacker-issued poll_cq calls); no action by any local user or administrator is needed.\nS:U - The impact \u2014 kernel log flooding, lockup/panic, and log disclosure \u2014 stays within the kernel's own security authority on the affected host; no VM, IOMMU, or sandbox boundary is crossed.\nC:L - The KERN_ERR `print_hex_dump()` of the raw CQE exposes connection metadata \u2014 rkey/immediate data, local and remote QPN, source MAC, VLAN \u2014 to the console and dmesg, where unprivileged local readers see it when dmesg_restrict is off. The leak is real but bounded to 32/64 bytes of completion data, not arbitrary kernel memory.\nI:N - No memory corruption or data modification occurs; the change only alters log verbosity and rate.\nA:H - The commit states outright that \"too much print may lead to a panic in kernel\"; the unratelimited printk plus per-CQE hex dump executes under `spin_lock_irqsave(&hr_cq->lock)`, so a burst of error completions keeps a CPU with interrupts disabled writing to a slow console, producing soft/hard-lockup watchdog panics and console/log saturation."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/hw/hns/hns_roce_hw_v2.c"], "versions": [{"version": "7c044adca272768d821921f11d3da4587dcec68a", "lessThan": "45b31be4dd22827903df15c548b97b416790139b", "status": "affected", "versionType": "git"}, {"version": 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Change ibdev_err() to\nibdev_err_ratelimited(), and change the printing level of cqe dump\nto debug level."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: RDMA/hns: Modifique el nivel de impresi\u00f3n del error CQE. Demasiada impresi\u00f3n puede provocar p\u00e1nico en el kernel. Cambie ibdev_err() a ibdev_err_ratelimited() y cambie el nivel de impresi\u00f3n del volcado cqe al nivel de depuraci\u00f3n."}], "id": "CVE-2024-38590", "lastModified": "2026-08-04T11:18:49.940", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.2, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-38590", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-06-20T15:39:58.504819Z", "version": "2.0.3"}}]}, "published": "2024-06-19T14:15:19.113", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/06cf121346bbd3d83a5eea05bb87666c6b279990"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/17f3741c65c4a042ae8ba094068b07a4b77e213c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/349e859952285ab9689779fb46de163f13f18f43"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/45b31be4dd22827903df15c548b97b416790139b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6f541a89ced8305da459e3ab0006e7528cf7da7b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/817a10a6df9354e67561922d2b7fce48dfbebc55"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cc699b7eb2bc963c12ffcd37f80f45330d2924bd"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/06cf121346bbd3d83a5eea05bb87666c6b279990"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/17f3741c65c4a042ae8ba094068b07a4b77e213c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/349e859952285ab9689779fb46de163f13f18f43"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/45b31be4dd22827903df15c548b97b416790139b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6f541a89ced8305da459e3ab0006e7528cf7da7b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/817a10a6df9354e67561922d2b7fce48dfbebc55"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cc699b7eb2bc963c12ffcd37f80f45330d2924bd"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: RDMA/hns: Modify the print level of CQE error", "id": "2293388", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2293388"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-400", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nRDMA/hns: Modify the print level of CQE error\nToo much print may lead to a panic in kernel. Change ibdev_err() to\nibdev_err_ratelimited(), and change the printing level of cqe dump\nto debug level."], "name": "CVE-2024-38590", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "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": "2024-06-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-38590\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-38590\nhttps://lore.kernel.org/linux-cve-announce/2024061954-CVE-2024-38590-55eb@gregkh/T"], "threat_severity": "Low"}

{}