CVE-2022-50129

{"id": "CVE-2022-50129", "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": "2025-06-18T11:15:42.700", "references": [{"url": "https://git.kernel.org/stable/c/388326bb1c32fcd09371c1d494af71471ef3a04b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/4ee8c39968a648d58b273582d4b021044a41ee5e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b5605148e6ce36bb21020d49010b617693933128", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/de95b52d9aabc979166aba81ccbe623aaf9c16a1", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e60d7e2462bf57273563c4e00dbfa79ee973b9e2", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "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\nRDMA/srpt: Fix a use-after-free\n\nChange the LIO port members inside struct srpt_port from regular members\ninto pointers. Allocate the LIO port data structures from inside\nsrpt_make_tport() and free these from inside srpt_make_tport(). Keep\nstruct srpt_device as long as either an RDMA port or a LIO target port is\nassociated with it. This patch decouples the lifetime of struct srpt_port\n(controlled by the RDMA core) and struct srpt_port_id (controlled by LIO).\nThis patch fixes the following KASAN complaint:\n\n BUG: KASAN: use-after-free in srpt_enable_tpg+0x31/0x70 [ib_srpt]\n Read of size 8 at addr ffff888141cc34b8 by task check/5093\n\n Call Trace:\n <TASK>\n show_stack+0x4e/0x53\n dump_stack_lvl+0x51/0x66\n print_address_description.constprop.0.cold+0xea/0x41e\n print_report.cold+0x90/0x205\n kasan_report+0xb9/0xf0\n __asan_load8+0x69/0x90\n srpt_enable_tpg+0x31/0x70 [ib_srpt]\n target_fabric_tpg_base_enable_store+0xe2/0x140 [target_core_mod]\n configfs_write_iter+0x18b/0x210\n new_sync_write+0x1f2/0x2f0\n vfs_write+0x3e3/0x540\n ksys_write+0xbb/0x140\n __x64_sys_write+0x42/0x50\n do_syscall_64+0x34/0x80\n entry_SYSCALL_64_after_hwframe+0x46/0xb0\n </TASK>"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: RDMA/srpt: Se corrige un problema de use-after-free. Se cambian los miembros del puerto LIO dentro de struct srpt_port de miembros regulares a punteros. Se asignan las estructuras de datos del puerto LIO desde srpt_make_tport() y se liberan desde srpt_make_tport(). Se mantiene struct srpt_device mientras un puerto RDMA o un puerto de destino LIO est\u00e9 asociado a \u00e9l. Este parche desacopla la duraci\u00f3n de struct srpt_port (controlado por el n\u00facleo RDMA) y struct srpt_port_id (controlado por LIO). Este parche corrige la siguiente queja de KASAN: ERROR: KASAN: Use-After-Free en srpt_enable_tpg+0x31/0x70 [ib_srpt] Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff888141cc34b8 por la tarea check/5093 Rastreo de llamadas: show_stack+0x4e/0x53 dump_stack_lvl+0x51/0x66 print_address_description.constprop.0.cold+0xea/0x41e print_report.cold+0x90/0x205 kasan_report+0xb9/0xf0 __asan_load8+0x69/0x90 srpt_enable_tpg+0x31/0x70 [ib_srpt] target_fabric_tpg_base_enable_store+0xe2/0x140 [target_core_mod] configfs_write_iter+0x18b/0x210 new_sync_write+0x1f2/0x2f0 vfs_write+0x3e3/0x540 ksys_write+0xbb/0x140 __x64_sys_write+0x42/0x50 do_syscall_64+0x34/0x80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 "}], "lastModified": "2025-11-18T18:10:00.103", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F6C33A97-B485-4E75-A44C-6CE806602042", "versionEndExcluding": "5.10.137", "versionStartIncluding": "3.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "51861563-7F40-460F-82CD-2D3FBDAD6618", "versionEndExcluding": "5.15.61", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5B42E453-8837-49D0-A5EF-03F818A6DC11", "versionEndExcluding": "5.18.18", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A1A2A5A5-4598-4D7E-BA07-4660398D6C8F", "versionEndExcluding": "5.19.2", "versionStartIncluding": "5.19"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}