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{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring: Fix release of pinned pages when __io_uaddr_map fails\n\nLooking at the error path of __io_uaddr_map, if we fail after pinning\nthe pages for any reasons, ret will be set to -EINVAL and the error\nhandler won't properly release the pinned pages.\n\nI didn't manage to trigger it without forcing a failure, but it can\nhappen in real life when memory is heavily fragmented."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: io_uring: corregida la liberaci\u00f3n de p\u00e1ginas fijadas cuando falla __io_uaddr_map. Mirando la ruta de error de __io_uaddr_map, si fallamos despu\u00e9s de fijar las p\u00e1ginas por cualquier motivo, ret se establecer\u00e1 en -EINVAL y el El controlador de errores no libera correctamente las p\u00e1ginas fijadas. No logr\u00e9 activarlo sin forzar un fallo, pero puede suceder en la vida real cuando la memoria est\u00e1 muy fragmentada."}], "id": "CVE-2024-35831", "lastModified": "2024-05-17T18:35:35.070", "metrics": {}, "published": "2024-05-17T14:15:19.517", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0b6f39c175ba5f0ef72bdb3b9d2a06ad78621d62"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4d376d7ad62b6a8e8dfff56b559d9d275e5b9b3a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/67d1189d1095d471ed7fa426c7e384a7140a5dd7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/712e2c8415f55a4a4ddaa98a430b87f624109f69"}], "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: io_uring: Fix release of pinned pages when __io_uaddr_map fails", "id": "2281173", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2281173"}, "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-402", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nio_uring: Fix release of pinned pages when __io_uaddr_map fails\nLooking at the error path of __io_uaddr_map, if we fail after pinning\nthe pages for any reasons, ret will be set to -EINVAL and the error\nhandler won't properly release the pinned pages.\nI didn't manage to trigger it without forcing a failure, but it can\nhappen in real life when memory is heavily fragmented.", "A flaw was found in the `io_uring` subsystem in the Linux kernel, where pinned pages are not properly released if the `__io_uaddr_map` function fails. This could lead to resource leaks or other unintended behaviors."], "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-2024-35831", "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": "2024-05-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-35831\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-35831\nhttps://lore.kernel.org/linux-cve-announce/2024051742-CVE-2024-35831-abcc@gregkh/T"], "statement": "Red Hat Enterprise Linux 6,7 & 8 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", "upstream_fix": "kernel 6.6.23, kernel 6.7.11, kernel 6.8.2, kernel 6.9"}