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{"descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: discard write access to the directory open\n\nmay_open() does not allow a directory to be opened with the write access.\nHowever, some writing flags set by client result in adding write access\non server, making ksmbd incompatible with FUSE file system. Simply, let's\ndiscard the write access when opening a directory.\n\nlist_add corruption. next is NULL.\n------------[ cut here ]------------\nkernel BUG at lib/list_debug.c:26!\npc : __list_add_valid+0x88/0xbc\nlr : __list_add_valid+0x88/0xbc\nCall trace:\n__list_add_valid+0x88/0xbc\nfuse_finish_open+0x11c/0x170\nfuse_open_common+0x284/0x5e8\nfuse_dir_open+0x14/0x24\ndo_dentry_open+0x2a4/0x4e0\ndentry_open+0x50/0x80\nsmb2_open+0xbe4/0x15a4\nhandle_ksmbd_work+0x478/0x5ec\nprocess_one_work+0x1b4/0x448\nworker_thread+0x25c/0x430\nkthread+0x104/0x1d4\nret_from_fork+0x10/0x20"}, {"lang": "es", "value": "En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: ksmbd: descarta el acceso de escritura al directorio abierto may_open() no permite abrir un directorio con acceso de escritura. Sin embargo, algunos indicadores de escritura establecidos por el cliente dan como resultado la adici\u00f3n de acceso de escritura en el servidor, lo que hace que ksmbd sea incompatible con el sistema de archivos FUSE. Simplemente, descartemos el acceso de escritura al abrir un directorio. list_add corrupci\u00f3n. lo siguiente es NULO. ------------[ cortar aqu\u00ed ]------------ \u00a1ERROR del kernel en lib/list_debug.c:26! pc: __list_add_valid+0x88/0xbc lr: __list_add_valid+0x88/0xbc Rastreo de llamadas: __list_add_valid+0x88/0xbc fuse_finish_open+0x11c/0x170 fuse_open_common+0x284/0x5e8 fuse_dir_open+0x14/0x24 a4/0x4e0 dentry_open+0x50/0x80 smb2_open+0xbe4 /0x15a4 handle_ksmbd_work+0x478/0x5ec process_one_work+0x1b4/0x448 worker_thread+0x25c/0x430 kthread+0x104/0x1d4 ret_from_fork+0x10/0x20"}], "id": "CVE-2024-41030", "lastModified": "2024-11-21T09:32:06.033", "metrics": {}, "published": "2024-07-29T15:15:11.697", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/198498b2049c0f11f7670be6974570e02b0cc035"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/66cf853e1c7a2407f15d9f7aaa3e47d61745e361"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9e84b1ba5c98fb5c9f869c85db1d870354613baa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e2e33caa5dc2eae7bddf88b22ce11ec3d760e5cd"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/198498b2049c0f11f7670be6974570e02b0cc035"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/66cf853e1c7a2407f15d9f7aaa3e47d61745e361"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/9e84b1ba5c98fb5c9f869c85db1d870354613baa"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/e2e33caa5dc2eae7bddf88b22ce11ec3d760e5cd"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: ksmbd: discard write access to the directory open", "id": "2300394", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2300394"}, "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"}, "cwe": "CWE-99", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nksmbd: discard write access to the directory open\nmay_open() does not allow a directory to be opened with the write access.\nHowever, some writing flags set by client result in adding write access\non server, making ksmbd incompatible with FUSE file system. Simply, let's\ndiscard the write access when opening a directory.\nlist_add corruption. next is NULL.\n------------[ cut here ]------------\nkernel BUG at lib/list_debug.c:26!\npc : __list_add_valid+0x88/0xbc\nlr : __list_add_valid+0x88/0xbc\nCall trace:\n__list_add_valid+0x88/0xbc\nfuse_finish_open+0x11c/0x170\nfuse_open_common+0x284/0x5e8\nfuse_dir_open+0x14/0x24\ndo_dentry_open+0x2a4/0x4e0\ndentry_open+0x50/0x80\nsmb2_open+0xbe4/0x15a4\nhandle_ksmbd_work+0x478/0x5ec\nprocess_one_work+0x1b4/0x448\nworker_thread+0x25c/0x430\nkthread+0x104/0x1d4\nret_from_fork+0x10/0x20", "A flaw was found in the ksmbd module in the Linux kernel. Incorrect write flags set when opening a directory can cause a linked list corruption and a call to the BUG function, resulting in a denial of service."], "name": "CVE-2024-41030", "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": "2024-07-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-41030\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-41030\nhttps://lore.kernel.org/linux-cve-announce/2024072921-CVE-2024-41030-301a@gregkh/T"], "statement": "The ksmbd module is not built in the kernel shipped in Red Hat Enterprise Linux, so it is not affected by this vulnerability.", "threat_severity": "Moderate"}

{"created": "2025-07-12T22:23:36.340274+00:00", "updated": "2025-07-12T22:23:36.340404+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}