{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-38576", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-06-18T19:36:34.924Z", "datePublished": "2024-06-19T13:37:35.142Z", "dateUpdated": "2024-12-19T09:04:53.272Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T09:04:53.272Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrcu: Fix buffer overflow in print_cpu_stall_info()\n\nThe rcuc-starvation output from print_cpu_stall_info() might overflow the\nbuffer if there is a huge difference in jiffies difference. 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{"descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrcu: Fix buffer overflow in print_cpu_stall_info()\n\nThe rcuc-starvation output from print_cpu_stall_info() might overflow the\nbuffer if there is a huge difference in jiffies difference. The situation\nmight seem improbable, but computers sometimes get very confused about\ntime, which can result in full-sized integers, and, in this case,\nbuffer overflow.\n\nAlso, the unsigned jiffies difference is printed using %ld, which is\nnormally for signed integers. This is intentional for debugging purposes,\nbut it is not obvious from the code.\n\nThis commit therefore changes sprintf() to snprintf() and adds a\nclarifying comment about intention of %ld format.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: rcu: corrige el desbordamiento del b\u00fafer en print_cpu_stall_info() La salida rcuc-starvation de print_cpu_stall_info() podr\u00eda desbordar el b\u00fafer si hay una gran diferencia en santiam\u00e9n. La situaci\u00f3n puede parecer improbable, pero las computadoras a veces se confunden mucho con el tiempo, lo que puede resultar en n\u00fameros enteros de tama\u00f1o completo y, en este caso, en un desbordamiento del b\u00fafer. Adem\u00e1s, la diferencia de santiam\u00e9n sin signo se imprime usando %ld, que normalmente es para enteros con signo. Esto es intencional con fines de depuraci\u00f3n, pero no es obvio en el c\u00f3digo. Por lo tanto, esta confirmaci\u00f3n cambia sprintf() a snprintf() y agrega un comentario aclaratorio sobre la intenci\u00f3n del formato %ld. Encontrado por el Centro de verificaci\u00f3n de Linux (linuxtesting.org) con SVACE."}], "id": "CVE-2024-38576", "lastModified": "2024-11-21T09:26:23.340", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-06-19T14:15:17.700", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3758f7d9917bd7ef0482c4184c0ad673b4c4e069"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4c3e2ef4d8ddd313c8ce3ac30505940bea8d6257"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9351e1338539cb7f319ffc1210fa9b2aa27384b5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/afb39909bfb5c08111f99e21bf5be7505f59ff1c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e2228ed3fe7aa838fba87c79a76fb1ad9ea47138"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/3758f7d9917bd7ef0482c4184c0ad673b4c4e069"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/4c3e2ef4d8ddd313c8ce3ac30505940bea8d6257"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/9351e1338539cb7f319ffc1210fa9b2aa27384b5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/afb39909bfb5c08111f99e21bf5be7505f59ff1c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/e2228ed3fe7aa838fba87c79a76fb1ad9ea47138"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: rcu: Fix buffer overflow in print_cpu_stall_info()", "id": "2293417", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2293417"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nrcu: Fix buffer overflow in print_cpu_stall_info()\nThe rcuc-starvation output from print_cpu_stall_info() might overflow the\nbuffer if there is a huge difference in jiffies difference. The situation\nmight seem improbable, but computers sometimes get very confused about\ntime, which can result in full-sized integers, and, in this case,\nbuffer overflow.\nAlso, the unsigned jiffies difference is printed using %ld, which is\nnormally for signed integers. This is intentional for debugging purposes,\nbut it is not obvious from the code.\nThis commit therefore changes sprintf() to snprintf() and adds a\nclarifying comment about intention of %ld format.\nFound by Linux Verification Center (linuxtesting.org) with SVACE.", "A potential buffer overflow vulnerability was found in print_cpu_stall_info() in the Linux kernel. This issue may lead to a crash."], "name": "CVE-2024-38576", "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-2024-38576\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-38576\nhttps://lore.kernel.org/linux-cve-announce/2024061946-CVE-2024-38576-a4a4@gregkh/T"], "statement": "No Red Hat products are affected by this vulnerability.", "threat_severity": "Low"}