CVE-2024-47658

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The reason is the fact that BH must be disabled\nduring this process."}], "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 - The damaging consequence is reached through the IPsec ESP receive path \u2014 a remote peer's ESP packets drive `esp_input()`, whose completion callback `esp_input_done` \u2192 `xfrm_input_resume()` is invoked by the stm32-cryp threaded IRQ handler with BH enabled. The upstream engine check that this driver violates was itself added after the same failure was hit with network traffic (iperf over IPsec).\nAC:L - The BH-enabled completion happens on every interrupt-mode request, and the recursion requires only that a NET_RX softirq land on the same CPU while `x->lock` is held \u2014 a window the attacker widens at will by sustaining ESP packet volume, controlling both sides of the race. The original reporter reproduced it with ordinary iperf load.\nPR:N - No credentials on the target are needed: ESP frames sent to a known SPI enter `esp_input()` and reach `esp_input_done` even when authentication fails, and ordinary tunnel traffic from any remote host suffices. The alternate local vector via AF_ALG is likewise available to a fully unprivileged user.\nUI:N - Triggering requires only sending network traffic to a device whose IPsec/crypto operations are backed by the STM32 CRYP accelerator; no action by any local user or administrator is involved.\nS:U - The fault is a locking-context violation contained entirely within the kernel; no VM, IOMMU, or sandbox boundary is crossed and no other security authority is affected.\nC:N - The defect is an incorrect execution context for a completion callback, not a memory-safety error \u2014 there is no out-of-bounds read, no freed-object reuse, and no path by which attacker-readable data is exposed.\nI:N - No memory is corrupted and no attacker-controlled write primitive arises; the callback simply runs with bottom halves enabled, which affects serialization rather than data content.\nA:H - Recursive acquisition of `xfrm_state->lock` from the re-entered `xfrm_input()` produces a spinlock-recursion BUG and a hard deadlock on that CPU, hanging IPsec/network processing (and panicking outright under `panic_on_warn`)."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/crypto/stm32/stm32-cryp.c"], "versions": [{"version": "9e054ec21ef8344345b28603fb272fe999f735db", "lessThan": "d16983c48f922ef46fb154b52a5b7eed2e689eae", "status": "affected", "versionType": "git"}, {"version": "9e054ec21ef8344345b28603fb272fe999f735db", "lessThan": "d93a2f86b0a998aa1f0870c85a2a60a0771ef89a", "status": "affected", "versionType": "git"}, {"version": "9e054ec21ef8344345b28603fb272fe999f735db", "lessThan": "5d734665cd5d93270731e0ff1dd673fec677f447", "status": "affected", "versionType": "git"}, {"version": "9e054ec21ef8344345b28603fb272fe999f735db", "lessThan": "56ddb9aa3b324c2d9645b5a7343e46010cf3f6ce", "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/crypto/stm32/stm32-cryp.c"], "versions": [{"version": "4.16", "status": "affected"}, {"version": "0", "lessThan": "4.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.50", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.10.9", "lessThanOrEqual": "6.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11", "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": "4.16", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "6.6.50"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "6.10.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "6.11"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d16983c48f922ef46fb154b52a5b7eed2e689eae"}, {"url": "https://git.kernel.org/stable/c/d93a2f86b0a998aa1f0870c85a2a60a0771ef89a"}, {"url": "https://git.kernel.org/stable/c/5d734665cd5d93270731e0ff1dd673fec677f447"}, {"url": "https://git.kernel.org/stable/c/56ddb9aa3b324c2d9645b5a7343e46010cf3f6ce"}], "title": "crypto: stm32/cryp - call finalize with bh disabled", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-10-10T13:23:47.545736Z", "id": "CVE-2024-47658", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-10T13:24:01.773Z"}}]}}

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The reason is the fact that BH must be disabled\nduring this process."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: crypto: stm32/cryp - call finalize with bh disabled La operaci\u00f3n finalize en modo de interrupci\u00f3n produce una advertencia de recursi\u00f3n de spinlock. La raz\u00f3n es que BH debe estar deshabilitado durante este proceso."}], "id": "CVE-2024-47658", "lastModified": "2026-10-30T13:17:37.193", "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"}, {"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-2024-47658", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-10-10T13:23:47.545736Z", "version": "2.0.3"}}]}, "published": "2024-10-09T14:15:07.603", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/56ddb9aa3b324c2d9645b5a7343e46010cf3f6ce"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5d734665cd5d93270731e0ff1dd673fec677f447"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d16983c48f922ef46fb154b52a5b7eed2e689eae"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d93a2f86b0a998aa1f0870c85a2a60a0771ef89a"}], "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: crypto: stm32/cryp - call finalize with bh disabled", "id": "2317582", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2317582"}, "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-765", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ncrypto: stm32/cryp - call finalize with bh disabled\nThe finalize operation in interrupt mode produce a produces a spinlock\nrecursion warning. The reason is the fact that BH must be disabled\nduring this process."], "name": "CVE-2024-47658", "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": "2024-10-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-47658\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-47658\nhttps://lore.kernel.org/linux-cve-announce/2024100959-CVE-2024-47658-0b23@gregkh/T"], "threat_severity": "Low"}

{}