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The ->poll_owner field contains the current CPU holding\nthe lock.\n\nUse an atomic read to check if the poll owner is the current CPU."}, {"lang": "es", "value": "En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: netpoll: Corrige condici\u00f3n de ejecuci\u00f3n en netpoll_owner_active KCSAN detect\u00f3 una condici\u00f3n de ejecuci\u00f3n en netpoll: ERROR: KCSAN: data-race en net_rx_action / netpoll_send_skb escribe (marcado) en 0xffff8881164168b0 de 4 bytes por interrupci\u00f3n en CPU 10: net_rx_action (./include/linux/netpoll.h:90 net/core/dev.c:6712 net/core/dev.c:6822) le\u00eddo en 0xffff8881164168b0 de 4 bytes por tarea 1 en la CPU 2 : netpoll_send_skb (net/core/netpoll.c:319 net/core/netpoll.c:345 net/core/netpoll.c:393) netpoll_send_udp (net/core/netpoll.c:?) valor cambiado: 0x0000000a -&gt; 0xffffffff Esto sucede porque netpoll_owner_active() necesita verificar si la CPU actual es la propietaria del bloqueo, tocando napi-&gt;poll_owner de forma no at\u00f3mica. El campo -&gt;poll_owner contiene la CPU actual que mantiene el bloqueo. Utilice una lectura at\u00f3mica para comprobar si el propietario de la encuesta es la CPU actual."}], "id": "CVE-2024-41005", "lastModified": "2025-11-03T22:17:22.353", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-07-12T13:15:21.310", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3f1a155950a1685ffd0fd7175b3f671da8771f3d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/43c0ca793a18578a0f5b305dd77fcf7ed99f1265"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/96826b16ef9c6568d31a1f6ceaa266411a46e46c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a130e7da73ae93afdb4659842267eec734ffbd57"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c2e6a872bde9912f1a7579639c5ca3adf1003916"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/efd29cd9c7b8369dfc7bcb34637e6bf1a188aa8e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3f1a155950a1685ffd0fd7175b3f671da8771f3d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/43c0ca793a18578a0f5b305dd77fcf7ed99f1265"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/96826b16ef9c6568d31a1f6ceaa266411a46e46c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a130e7da73ae93afdb4659842267eec734ffbd57"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c2e6a872bde9912f1a7579639c5ca3adf1003916"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/efd29cd9c7b8369dfc7bcb34637e6bf1a188aa8e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:7001", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-553.22.1.rt7.363.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-09-24T00:00:00Z"}, {"advisory": "RHSA-2024:7000", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-553.22.1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-09-24T00:00:00Z"}, {"advisory": "RHSA-2024:8617", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.42.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-10-30T00:00:00Z"}, {"advisory": "RHSA-2024:8617", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.42.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-10-30T00:00:00Z"}], "bugzilla": {"description": "kernel: netpoll: Fix race condition in netpoll_owner_active", "id": "2297589", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2297589"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-362", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnetpoll: Fix race condition in netpoll_owner_active\nKCSAN detected a race condition in netpoll:\nBUG: KCSAN: data-race in net_rx_action / netpoll_send_skb\nwrite (marked) to 0xffff8881164168b0 of 4 bytes by interrupt on cpu 10:\nnet_rx_action (./include/linux/netpoll.h:90 net/core/dev.c:6712 net/core/dev.c:6822)\n<snip>\nread to 0xffff8881164168b0 of 4 bytes by task 1 on cpu 2:\nnetpoll_send_skb (net/core/netpoll.c:319 net/core/netpoll.c:345 net/core/netpoll.c:393)\nnetpoll_send_udp (net/core/netpoll.c:?)\n<snip>\nvalue changed: 0x0000000a -> 0xffffffff\nThis happens because netpoll_owner_active() needs to check if the\ncurrent CPU is the owner of the lock, touching napi->poll_owner\nnon atomically. The ->poll_owner field contains the current CPU holding\nthe lock.\nUse an atomic read to check if the poll owner is the current CPU."], "name": "CVE-2024-41005", "package_state": [{"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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-07-12T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-41005\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-41005\nhttps://lore.kernel.org/linux-cve-announce/2024071244-CVE-2024-41005-b2a5@gregkh/T"], "threat_severity": "Moderate"}

{}