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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "7C014E1B-02EA-488C-AD8B-52F51437381F", "versionEndIncluding": "6.12.14", "versionStartIncluding": "6.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "DDB61369-A1FA-42E6-A1FC-78476A6D432A", "versionEndIncluding": "6.13.3", "versionStartIncluding": "6.13", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: qcom: scm: Fix missing read barrier in qcom_scm_get_tzmem_pool()\n\nCommit 2e4955167ec5 (\"firmware: qcom: scm: Fix __scm and waitq\ncompletion variable initialization\") introduced a write barrier in probe\nfunction to store global '__scm' variable. We all known barriers are\npaired (see memory-barriers.txt: \"Note that write barriers should\nnormally be paired with read or address-dependency barriers\"), therefore\naccessing it from concurrent contexts requires read barrier. Previous\ncommit added such barrier in qcom_scm_is_available(), so let's use that\ndirectly.\n\nLack of this read barrier can result in fetching stale '__scm' variable\nvalue, NULL, and dereferencing it.\n\nNote that barrier in qcom_scm_is_available() satisfies here the control\ndependency."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: firmware: qcom: scm: Fix missing read barrier in qcom_scm_get_tzmem_pool() el commit 2e4955167ec5 (\"firmware: qcom: scm: Fix __scm and waitq ending variable initialization\") introdujo una barrera de escritura en la funci\u00f3n de sondeo para almacenar la variable global '__scm'. Todos sabemos que las barreras est\u00e1n emparejadas (consulte memory-barriers.txt: \"Note que las barreras de escritura normalmente deben emparejarse con barreras de lectura o de dependencia de direcci\u00f3n\"), por lo tanto, acceder a ellas desde contextos concurrentes requiere una barrera de lectura. Una confirmaci\u00f3n anterior agreg\u00f3 dicha barrera en qcom_scm_is_available(), as\u00ed que us\u00e9mosla directamente. La falta de esta barrera de lectura puede resultar en la obtenci\u00f3n del valor de la variable '__scm' obsoleto, NULL, y su desreferenciaci\u00f3n. Tenga en cuenta que la barrera en qcom_scm_is_available() satisface aqu\u00ed la dependencia de control."}], "id": "CVE-2024-58084", "lastModified": "2025-10-01T20:18:14.117", "metrics": {"cvssMetricV31": [{"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"}, {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2025-03-06T17:15:21.890", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b628510397b5cafa1f5d3e848a28affd1c635302"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e03db7c1255ebabba5e1a447754faeb138de15a2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fee921e3c641f64185abee83f9a6e65f0b380682"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-476"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: firmware: qcom: scm: Fix missing read barrier in qcom_scm_get_tzmem_pool()", "id": "2350404", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2350404"}, "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-20", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nfirmware: qcom: scm: Fix missing read barrier in qcom_scm_get_tzmem_pool()\nCommit 2e4955167ec5 (\"firmware: qcom: scm: Fix __scm and waitq\ncompletion variable initialization\") introduced a write barrier in probe\nfunction to store global '__scm' variable. We all known barriers are\npaired (see memory-barriers.txt: \"Note that write barriers should\nnormally be paired with read or address-dependency barriers\"), therefore\naccessing it from concurrent contexts requires read barrier. Previous\ncommit added such barrier in qcom_scm_is_available(), so let's use that\ndirectly.\nLack of this read barrier can result in fetching stale '__scm' variable\nvalue, NULL, and dereferencing it.\nNote that barrier in qcom_scm_is_available() satisfies here the control\ndependency."], "name": "CVE-2024-58084", "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": "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": "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": "2025-03-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-58084\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-58084\nhttps://lore.kernel.org/linux-cve-announce/2025030634-CVE-2024-58084-16e9@gregkh/T"], "threat_severity": "Low"}

{}