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{"descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: idxd: Avoid unnecessary destruction of file_ida\n\nfile_ida is allocated during cdev open and is freed accordingly\nduring cdev release. This sequence is guaranteed by driver file\noperations. Therefore, there is no need to destroy an already empty\nfile_ida when the WQ cdev is removed.\n\nWorse, ida_free() in cdev release may happen after destruction of\nfile_ida per WQ cdev. This can lead to accessing an id in file_ida\nafter it has been destroyed, resulting in a kernel panic.\n\nRemove ida_destroy(&file_ida) to address these issues."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: dmaengine: idxd: evita la destrucci\u00f3n innecesaria de file_ida file_ida se asigna durante la apertura de cdev y se libera en consecuencia durante el lanzamiento de cdev. Esta secuencia est\u00e1 garantizada por las operaciones del archivo del controlador. Por lo tanto, no es necesario destruir un file_ida que ya est\u00e1 vac\u00edo cuando se elimina WQ cdev. Peor a\u00fan, ida_free() en la versi\u00f3n cdev puede ocurrir despu\u00e9s de la destrucci\u00f3n de file_ida seg\u00fan WQ cdev. Esto puede llevar a acceder a una identificaci\u00f3n en file_ida despu\u00e9s de haber sido destruida, lo que resulta en un p\u00e1nico en el kernel. Elimine ida_destroy(&file_ida) para solucionar estos problemas."}], "id": "CVE-2024-38629", "lastModified": "2024-11-21T09:26:31.780", "metrics": {}, "published": "2024-06-21T11:15:11.733", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/15edb906211bf53e7b5574f7326ab734d6bff4f9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/76e43fa6a456787bad31b8d0daeabda27351a480"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9eb15f24a0b9b017b39cde8b8c07243676b63687"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/15edb906211bf53e7b5574f7326ab734d6bff4f9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/76e43fa6a456787bad31b8d0daeabda27351a480"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/9eb15f24a0b9b017b39cde8b8c07243676b63687"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"affected_release": [{"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: dmaengine: idxd: Avoid unnecessary destruction of file_ida", "id": "2293698", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2293698"}, "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-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndmaengine: idxd: Avoid unnecessary destruction of file_ida\nfile_ida is allocated during cdev open and is freed accordingly\nduring cdev release. This sequence is guaranteed by driver file\noperations. Therefore, there is no need to destroy an already empty\nfile_ida when the WQ cdev is removed.\nWorse, ida_free() in cdev release may happen after destruction of\nfile_ida per WQ cdev. This can lead to accessing an id in file_ida\nafter it has been destroyed, resulting in a kernel panic.\nRemove ida_destroy(&file_ida) to address these issues."], "name": "CVE-2024-38629", "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": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-06-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-38629\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-38629\nhttps://lore.kernel.org/linux-cve-announce/2024062141-CVE-2024-38629-47c6@gregkh/T"], "threat_severity": "Moderate"}

{}