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an odd number.\nThe address of the zone will become:\n addr of zone0 = BASE\n addr of zone1 = BASE + zone_size\n addr of zone2 = BASE + zone_size*2\n ...\nThe address of zone1/3/5/7 will be mapped to non-alignment va.\nEventually crashes will occur when accessing these va.\n\nSo, use ALIGN_DOWN() to make sure the zone size is even\nto avoid this bug."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-04T14:49:50.646Z"}}}, "cveMetadata": {"cveId": "CVE-2023-52619", "state": "PUBLISHED", "dateUpdated": "2024-11-04T14:49:50.646Z", "dateReserved": "2024-03-06T09:52:12.089Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-03-18T10:19:05.854Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npstore/ram: Fix crash when setting number of cpus to an odd number\n\nWhen the number of cpu cores is adjusted to 7 or other odd numbers,\nthe zone size will become an odd number.\nThe address of the zone will become:\n addr of zone0 = BASE\n addr of zone1 = BASE + zone_size\n addr of zone2 = BASE + zone_size*2\n ...\nThe address of zone1/3/5/7 will be mapped to non-alignment va.\nEventually crashes will occur when accessing these va.\n\nSo, use ALIGN_DOWN() to make sure the zone size is even\nto avoid this bug."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: pstore/ram: soluciona el fallo al establecer el n\u00famero de CPU en un n\u00famero impar. Cuando el n\u00famero de n\u00facleos de CPU se ajusta a 7 u otros n\u00fameros impares, el tama\u00f1o de la zona se convertir\u00e1 en un n\u00famero impar. La direcci\u00f3n de la zona se convertir\u00e1 en: direcci\u00f3n de zona0 = BASE direcci\u00f3n de zona1 = BASE + tama\u00f1o_zona direcci\u00f3n de zona2 = BASE + tama\u00f1o_zona*2 ... La direcci\u00f3n de zona1/3/5/7 se asignar\u00e1 a va no alineada . Eventualmente se producir\u00e1n fallas al acceder a estos va. Entonces, use ALIGN_DOWN() para asegurarse de que el tama\u00f1o de la zona sea uniforme para evitar este error."}], "id": "CVE-2023-52619", "lastModified": "2024-11-04T13:16:41.737", "metrics": {}, "published": "2024-03-18T11:15:09.170", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0593cfd321df9001142a9d2c58d4144917dff7ee"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2a37905d47bffec61e95d99f0c1cc5dc6377956c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/75b0f71b26b3ad833c5c0670109c0af6e021e86a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8b69c30f4e8b69131d92096cb296dc1f217101e4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a63e48cd835c34c38ef671d344cc029b1ea5bf10"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cd40e43f870cf21726b22487a95ed223790b3542"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d49270a04623ce3c0afddbf3e984cb245aa48e9c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e9f6ac50890104fdf8194f2865680689239d30fb"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"affected_release": [{"advisory": "RHSA-2024:5102", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-553.16.1.rt7.357.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-08-08T00:00:00Z"}, {"advisory": "RHSA-2024:5101", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-553.16.1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-08-08T00:00:00Z"}, {"advisory": "RHSA-2024:6206", "cpe": "cpe:/o:redhat:rhel_eus:8.8", "package": "kernel-0:4.18.0-477.70.1.el8_8", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-09-03T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}], "bugzilla": {"description": "kernel: pstore/ram: Fix crash when setting number of cpus to an odd number", "id": "2270084", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2270084"}, "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": "verified"}, "cwe": "CWE-99", "details": ["In the Linux kernel, the following vulnerability has been resolved:\npstore/ram: Fix crash when setting number of cpus to an odd number\nWhen the number of cpu cores is adjusted to 7 or other odd numbers,\nthe zone size will become an odd number.\nThe address of the zone will become:\naddr of zone0 = BASE\naddr of zone1 = BASE + zone_size\naddr of zone2 = BASE + zone_size*2\n...\nThe address of zone1/3/5/7 will be mapped to non-alignment va.\nEventually crashes will occur when accessing these va.\nSo, use ALIGN_DOWN() to make sure the zone size is even\nto avoid this bug.", "A vulnerability was found in the pstore/ram component of the Linux kernel, which caused crashes when the number of CPU cores was set to an odd number. This issue occurs because the odd-numbered zones became misaligned. This flaw allows a local, authenticated attacker to cause a denial of service."], "mitigation": {"lang": "en:us", "value": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible."}, "name": "CVE-2023-52619", "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": "2024-03-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52619\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52619\nhttps://lore.kernel.org/linux-cve-announce/20240318102117.2839904-9-lee@kernel.org/T"], "threat_severity": "Moderate", "upstream_fix": "kernel 4.19.307, kernel 5.4.269, kernel 5.10.210, kernel 5.15.149, kernel 6.1.77, kernel 6.6.16, kernel 6.7.4, kernel 6.8"}