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{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npstore: inode: Only d_invalidate() is needed\n\nUnloading a modular pstore backend with records in pstorefs would\ntrigger the dput() double-drop warning:\n\n WARNING: CPU: 0 PID: 2569 at fs/dcache.c:762 dput.part.0+0x3f3/0x410\n\nUsing the combo of d_drop()/dput() (as mentioned in\nDocumentation/filesystems/vfs.rst) isn't the right approach here, and\nleads to the reference counting problem seen above. Use d_invalidate()\nand update the code to not bother checking for error codes that can\nnever happen.\n\n---"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: pstore: inode: solo se necesita d_invalidate(). La descarga de un backend modular de pstore con registros en pstorefs activar\u00eda la advertencia de doble ca\u00edda de dput(): ADVERTENCIA: CPU: 0 PID: 2569 en fs/dcache.c:762 dput.part.0+0x3f3/0x410 Usar la combinaci\u00f3n de d_drop()/dput() (como se menciona en Documentation/filesystems/vfs.rst) no es el enfoque correcto aqu\u00ed, y conduce al problema de recuento de referencias visto anteriormente. Utilice d_invalidate() y actualice el c\u00f3digo para no molestarse en buscar c\u00f3digos de error que nunca suceder\u00e1n. ---"}], "id": "CVE-2024-27389", "lastModified": "2024-05-01T19:50:25.633", "metrics": {}, "published": "2024-05-01T13:15:51.653", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/340682ed1932b8e3bd0bfc6c31a0c6354eb57cc6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4cdf9006fc095af71da80e9b5f48a32e991b9ed3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a43e0fc5e9134a46515de2f2f8d4100b74e50de3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cb9e802e49c24eeb3af35e9e8c04d526f35f112a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/db6e5e16f1ee9e3b01d2f71c7f0ba945f4bf0f4e"}], "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: pstore: inode: Only d_invalidate() is needed", "id": "2278532", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2278532"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\npstore: inode: Only d_invalidate() is needed\nUnloading a modular pstore backend with records in pstorefs would\ntrigger the dput() double-drop warning:\nWARNING: CPU: 0 PID: 2569 at fs/dcache.c:762 dput.part.0+0x3f3/0x410\nUsing the combo of d_drop()/dput() (as mentioned in\nDocumentation/filesystems/vfs.rst) isn't the right approach here, and\nleads to the reference counting problem seen above. Use d_invalidate()\nand update the code to not bother checking for error codes that can\nnever happen.\n---"], "name": "CVE-2024-27389", "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: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": "2024-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-27389\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-27389\nhttps://lore.kernel.org/linux-cve-announce/2024050135-CVE-2024-27389-fb3a@gregkh/T"], "threat_severity": "Low", "upstream_fix": "kernel 6.1.83, kernel 6.6.23, kernel 6.7.11, kernel 6.8.2, kernel 6.9-rc1"}