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Stalled transactions will\ntrigger completion timeouts in PCIe controller.\n\nWorkaround:\nEnable prefetch by setting the source descriptor prefetchable bit\n( SD[PF] = 1 ).\n\nImplement this workaround."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: dmaengine: fsl-qdma: correcci\u00f3n El SoC puede bloquearse en lecturas no alineadas de 16 bytes. Hay erratas en el chip (ls1028a): El SoC puede bloquearse en transacciones de lectura no alineadas de 16 bytes mediante QDMA. Las transacciones de lectura no alineadas iniciadas por QDMA pueden detenerse en el NOC (Network On-Chip), provocando una condici\u00f3n de interbloqueo. Las transacciones detenidas activar\u00e1n tiempos de espera de finalizaci\u00f3n en el controlador PCIe. Soluci\u00f3n alternativa: habilite la captaci\u00f3n previa estableciendo el bit de captaci\u00f3n previa del descriptor de origen ( SD[PF] = 1 ). Implemente esta soluci\u00f3n."}], "id": "CVE-2024-26790", "lastModified": "2025-02-27T21:59:09.400", "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"}]}, "published": "2024-04-04T09:15:08.453", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/106c1ac953a66556ec77456c46e818208d3a9bce"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/237ecf1afe6c22534fa43abdf2bf0b0f52de0aaa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/518d78b4fac68cac29a263554d7f3b19da99d0da"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5b696e9c388251f1c7373be92293769a489fd367"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9d739bccf261dd93ec1babf82f5c5d71dd4caa3e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ad2f8920c314e0a2d9e984fc94b729eca3cda471"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bb3a06e9b9a30e33d96aadc0e077be095a4f8580"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/106c1ac953a66556ec77456c46e818208d3a9bce"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/237ecf1afe6c22534fa43abdf2bf0b0f52de0aaa"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/518d78b4fac68cac29a263554d7f3b19da99d0da"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5b696e9c388251f1c7373be92293769a489fd367"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9d739bccf261dd93ec1babf82f5c5d71dd4caa3e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ad2f8920c314e0a2d9e984fc94b729eca3cda471"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bb3a06e9b9a30e33d96aadc0e077be095a4f8580"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-667"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: dmaengine: fsl-qdma: fix SoC may hang on 16 byte unaligned read", "id": "2273451", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2273451"}, "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-125", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndmaengine: fsl-qdma: fix SoC may hang on 16 byte unaligned read\nThere is chip (ls1028a) errata:\nThe SoC may hang on 16 byte unaligned read transactions by QDMA.\nUnaligned read transactions initiated by QDMA may stall in the NOC\n(Network On-Chip), causing a deadlock condition. Stalled transactions will\ntrigger completion timeouts in PCIe controller.\nWorkaround:\nEnable prefetch by setting the source descriptor prefetchable bit\n( SD[PF] = 1 ).\nImplement this workaround.", "A vulnerability was found in the Linux kernel's fsl-qdma driver, part of the DMA engine subsystem. This flaw could lead to a system-on-chip (SoC) hanging during a 16-byte unaligned read operation."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2024-26790", "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": "2024-04-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26790\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26790\nhttps://lore.kernel.org/linux-cve-announce/2024040400-CVE-2024-26790-a4a4@gregkh/T"], "statement": "Red Hat Enterprise Linux is not vulnerable to this CVE, as it does not affect the versions or configurations of the Linux kernel used in its distributions.", "threat_severity": "Moderate"}