CVE-2025-38555

{"id": "CVE-2025-38555", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2025-08-19T17:15:31.667", "references": [{"url": "https://git.kernel.org/stable/c/151c0aa896c47a4459e07fee7d4843f44c1bb18e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2db29235e900a084a656dea7e0939b0abb7bb897", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5f06ee9f9a3665d43133f125c17e5258a13f3963", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8afb22aa063f706f3343707cdfb8cda4d021dd33", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/aada327a9f8028c573636fa60c0abc80fb8135c9", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/bd3c4ef60baf7f65c963f3e12d9d7b2b091e20ba", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/dba96dfa5a0f685b959dd28a52ac8dab0b805204", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e1be1f380c82a69f80c68c96a7cfe8759fb30355", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e624bf26127645a2f7821e73fdf6dc64bad07835", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html", "tags": ["Third Party Advisory", "Mailing List"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html", "tags": ["Third Party Advisory", "Mailing List"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget : fix use-after-free in composite_dev_cleanup()\n\n1. In func configfs_composite_bind() -> composite_os_desc_req_prepare():\nif kmalloc fails, the pointer cdev->os_desc_req will be freed but not\nset to NULL. Then it will return a failure to the upper-level function.\n2. in func configfs_composite_bind() -> composite_dev_cleanup():\nit will checks whether cdev->os_desc_req is NULL. If it is not NULL, it\nwill attempt to use it.This will lead to a use-after-free issue.\n\nBUG: KASAN: use-after-free in composite_dev_cleanup+0xf4/0x2c0\nRead of size 8 at addr 0000004827837a00 by task init/1\n\nCPU: 10 PID: 1 Comm: init Tainted: G O 5.10.97-oh #1\n kasan_report+0x188/0x1cc\n __asan_load8+0xb4/0xbc\n composite_dev_cleanup+0xf4/0x2c0\n configfs_composite_bind+0x210/0x7ac\n udc_bind_to_driver+0xb4/0x1ec\n usb_gadget_probe_driver+0xec/0x21c\n gadget_dev_desc_UDC_store+0x264/0x27c"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: gadget: correcci\u00f3n del problema de use-after-free en composite_dev_cleanup(). 1. En la funci\u00f3n configfs_composite_bind() -> composite_os_desc_req_prepare(): si kmalloc falla, el puntero cdev->os_desc_req se liberar\u00e1, pero no se establecer\u00e1 en NULL. En ese caso, devolver\u00e1 un error a la funci\u00f3n de nivel superior. 2. En la funci\u00f3n configfs_composite_bind() -> composite_dev_cleanup(): comprobar\u00e1 si cdev->os_desc_req es NULL. Si no lo es, intentar\u00e1 usarlo. Esto provocar\u00e1 un problema de use-after-free. ERROR: KASAN: use-after-free en composite_dev_cleanup+0xf4/0x2c0 Lectura de tama\u00f1o 8 en la direcci\u00f3n 0000004827837a00 por la tarea init/1 CPU: 10 PID: 1 Comm: init Contaminado: GO 5.10.97-oh #1 kasan_report+0x188/0x1cc __asan_load8+0xb4/0xbc composite_dev_cleanup+0xf4/0x2c0 configfs_composite_bind+0x210/0x7ac udc_bind_to_driver+0xb4/0x1ec usb_gadget_probe_driver+0xec/0x21c gadget_dev_desc_UDC_store+0x264/0x27c"}], "lastModified": "2026-01-08T20:49:46.560", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "ECFB74C3-BE5C-45E4-8F58-5736A24136CE", "versionEndExcluding": "5.4.297", "versionStartIncluding": "3.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D0D21C35-EB8A-488A-BBF9-403E4817E5DD", "versionEndExcluding": "5.10.241", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AD9E597F-3DDE-4D7E-976C-463D0611F13F", "versionEndExcluding": "5.15.190", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3E5B1B93-C244-4B54-B3AB-12C2635A443B", "versionEndExcluding": "6.1.148", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DD6EDB96-08AC-49D8-A1A9-4D2140C49BC7", "versionEndExcluding": "6.6.102", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EA7AA5E6-4376-4A85-A021-6ACC5FF801C3", "versionEndExcluding": "6.12.42", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5890C690-B295-40C2-9121-FF5F987E5142", "versionEndExcluding": "6.15.10", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "58182352-D7DF-4CC9-841E-03C1D852C3FB", "versionEndExcluding": "6.16.1", "versionStartIncluding": "6.16"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}