CVE-2023-52730

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of_node_put()\nand put_device().\n\nIn error case in sdio_init_func(), the reference of 'card->dev' is\nnot get, to avoid redundant put in sdio_free_func_cis(), move the\nget_device() to sdio_alloc_func() and put_device() to sdio_release_func(),\nit can keep the get/put function be balanced.\n\nWithout this patch, while doing fault inject test, it can get the\nfollowing leak reports, after this fix, the leak is gone.\n\nunreferenced object 0xffff888112514000 (size 2048):\n comm \"kworker/3:2\", pid 65, jiffies 4294741614 (age 124.774s)\n hex dump (first 32 bytes):\n 00 e0 6f 12 81 88 ff ff 60 58 8d 06 81 88 ff ff ..o.....`X......\n 10 40 51 12 81 88 ff ff 10 40 51 12 81 88 ff ff .@Q......@Q.....\n backtrace:\n [<000000009e5931da>] kmalloc_trace+0x21/0x110\n [<000000002f839ccb>] mmc_alloc_card+0x38/0xb0 [mmc_core]\n [<0000000004adcbf6>] mmc_sdio_init_card+0xde/0x170 [mmc_core]\n [<000000007538fea0>] mmc_attach_sdio+0xcb/0x1b0 [mmc_core]\n [<00000000d4fdeba7>] mmc_rescan+0x54a/0x640 [mmc_core]\n\nunreferenced object 0xffff888112511000 (size 2048):\n comm \"kworker/3:2\", pid 65, jiffies 4294741623 (age 124.766s)\n hex dump (first 32 bytes):\n 00 40 51 12 81 88 ff ff e0 58 8d 06 81 88 ff ff .@Q......X......\n 10 10 51 12 81 88 ff ff 10 10 51 12 81 88 ff ff ..Q.......Q.....\n backtrace:\n [<000000009e5931da>] kmalloc_trace+0x21/0x110\n [<00000000fcbe706c>] sdio_alloc_func+0x35/0x100 [mmc_core]\n [<00000000c68f4b50>] mmc_attach_sdio.cold.18+0xb1/0x395 [mmc_core]\n [<00000000d4fdeba7>] mmc_rescan+0x54a/0x640 [mmc_core]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/mmc/core/sdio_bus.c", "drivers/mmc/core/sdio_cis.c"], "versions": [{"version": "3d10a1ba0d37c8f5fd5afcdda00613fbb8a90bf5", "lessThan": "92ff03c2563c9b57a027c744750f3b7d2f261c58", "status": "affected", "versionType": "git"}, {"version": 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two cases, it won't call of_node_put() or put_device().\n\nTo fix these leaks, make sdio_func_present() only control whether\ndevice_del() needs to be called or not, then always call of_node_put()\nand put_device().\n\nIn error case in sdio_init_func(), the reference of 'card->dev' is\nnot get, to avoid redundant put in sdio_free_func_cis(), move the\nget_device() to sdio_alloc_func() and put_device() to sdio_release_func(),\nit can keep the get/put function be balanced.\n\nWithout this patch, while doing fault inject test, it can get the\nfollowing leak reports, after this fix, the leak is gone.\n\nunreferenced object 0xffff888112514000 (size 2048):\n comm \"kworker/3:2\", pid 65, jiffies 4294741614 (age 124.774s)\n hex dump (first 32 bytes):\n 00 e0 6f 12 81 88 ff ff 60 58 8d 06 81 88 ff ff ..o.....`X......\n 10 40 51 12 81 88 ff ff 10 40 51 12 81 88 ff ff .@Q......@Q.....\n backtrace:\n [<000000009e5931da>] kmalloc_trace+0x21/0x110\n [<000000002f839ccb>] mmc_alloc_card+0x38/0xb0 [mmc_core]\n [<0000000004adcbf6>] mmc_sdio_init_card+0xde/0x170 [mmc_core]\n [<000000007538fea0>] mmc_attach_sdio+0xcb/0x1b0 [mmc_core]\n [<00000000d4fdeba7>] mmc_rescan+0x54a/0x640 [mmc_core]\n\nunreferenced object 0xffff888112511000 (size 2048):\n comm \"kworker/3:2\", pid 65, jiffies 4294741623 (age 124.766s)\n hex dump (first 32 bytes):\n 00 40 51 12 81 88 ff ff e0 58 8d 06 81 88 ff ff .@Q......X......\n 10 10 51 12 81 88 ff ff 10 10 51 12 81 88 ff ff ..Q.......Q.....\n backtrace:\n [<000000009e5931da>] kmalloc_trace+0x21/0x110\n [<00000000fcbe706c>] sdio_alloc_func+0x35/0x100 [mmc_core]\n [<00000000c68f4b50>] mmc_attach_sdio.cold.18+0xb1/0x395 [mmc_core]\n [<00000000d4fdeba7>] mmc_rescan+0x54a/0x640 [mmc_core]"}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T08:24:35.252Z"}}}, "cveMetadata": {"cveId": "CVE-2023-52730", "state": "PUBLISHED", "dateUpdated": "2024-12-19T08:24:35.252Z", "dateReserved": 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true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: sdio: fix possible resource leaks in some error paths\n\nIf sdio_add_func() or sdio_init_func() fails, sdio_remove_func() can\nnot release the resources, because the sdio function is not presented\nin these two cases, it won't call of_node_put() or put_device().\n\nTo fix these leaks, make sdio_func_present() only control whether\ndevice_del() needs to be called or not, then always call of_node_put()\nand put_device().\n\nIn error case in sdio_init_func(), the reference of 'card->dev' is\nnot get, to avoid redundant put in sdio_free_func_cis(), move the\nget_device() to sdio_alloc_func() and put_device() to sdio_release_func(),\nit can keep the get/put function be balanced.\n\nWithout this patch, while doing fault inject test, it can get the\nfollowing leak reports, after this fix, the leak is gone.\n\nunreferenced object 0xffff888112514000 (size 2048):\n comm \"kworker/3:2\", pid 65, jiffies 4294741614 (age 124.774s)\n hex dump (first 32 bytes):\n 00 e0 6f 12 81 88 ff ff 60 58 8d 06 81 88 ff ff ..o.....`X......\n 10 40 51 12 81 88 ff ff 10 40 51 12 81 88 ff ff .@Q......@Q.....\n backtrace:\n [<000000009e5931da>] kmalloc_trace+0x21/0x110\n [<000000002f839ccb>] mmc_alloc_card+0x38/0xb0 [mmc_core]\n [<0000000004adcbf6>] mmc_sdio_init_card+0xde/0x170 [mmc_core]\n [<000000007538fea0>] mmc_attach_sdio+0xcb/0x1b0 [mmc_core]\n [<00000000d4fdeba7>] mmc_rescan+0x54a/0x640 [mmc_core]\n\nunreferenced object 0xffff888112511000 (size 2048):\n comm \"kworker/3:2\", pid 65, jiffies 4294741623 (age 124.766s)\n hex dump (first 32 bytes):\n 00 40 51 12 81 88 ff ff e0 58 8d 06 81 88 ff ff .@Q......X......\n 10 10 51 12 81 88 ff ff 10 10 51 12 81 88 ff ff ..Q.......Q.....\n backtrace:\n [<000000009e5931da>] kmalloc_trace+0x21/0x110\n [<00000000fcbe706c>] sdio_alloc_func+0x35/0x100 [mmc_core]\n [<00000000c68f4b50>] mmc_attach_sdio.cold.18+0xb1/0x395 [mmc_core]\n [<00000000d4fdeba7>] mmc_rescan+0x54a/0x640 [mmc_core]"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mmc: sdio: soluciona posibles fugas de recursos en algunas rutas de error. Si sdio_add_func() o sdio_init_func() falla, sdio_remove_func() no puede liberar los recursos, porque no se presenta la funci\u00f3n sdio en estos dos casos, no llamar\u00e1 a of_node_put() o put_device(). Para solucionar estas fugas, haga que sdio_func_present() solo controle si es necesario llamar a device_del() o no, luego llame siempre a of_node_put() y put_device(). En caso de error en sdio_init_func(), la referencia de 'card-&gt;dev' no se obtiene, para evitar la colocaci\u00f3n redundante en sdio_free_func_cis(), mueva get_device() a sdio_alloc_func() y put_device() a sdio_release_func(), puede mantenga equilibrada la funci\u00f3n get/put. Sin este parche, mientras realiza la prueba de inyecci\u00f3n de fallas, puede obtener los siguientes informes de fugas; despu\u00e9s de esta soluci\u00f3n, la fuga desaparece. objeto sin referencia 0xffff888112514000 (tama\u00f1o 2048): comunicaci\u00f3n \"kworker/3:2\", pid 65, jiffies 4294741614 (edad 124,774 s) volcado hexadecimal (primeros 32 bytes): 00 e0 6f 12 81 88 ff ff 60 58 8d 06 81 8 y siguientes ff ..o.....`X...... 10 40 51 12 81 88 ff ff 10 40 51 12 81 88 ff ff .@Q......@Q..... retroceso : [&lt;000000009e5931da&gt;] kmalloc_trace+0x21/0x110 [&lt;000000002f839ccb&gt;] mmc_alloc_card+0x38/0xb0 [mmc_core] [&lt;0000000004adcbf6&gt;] mmc_sdio_init_card+0xde/0x170 [mmc_core] [&lt;000000007538fea0&gt;] mmc_attach_sdio+0xcb/0x1b0 [mmc_core] [&lt;00000000d4fdeba7&gt;] mmc_rescan+0x54a/0x640 [mmc_core] objeto sin referencia 0xffff888112511000 (tama\u00f1o 2048): comm \"kworker/3:2\", pid 65, santiam\u00e9n 4294741623 (edad 124,766 s) volcado hexadecimal (primero 32 bytes): 00 40 51 12 81 88 ff ff e0 58 8d 06 81 88 ff ff .@Q......X...... 10 10 51 12 81 88 ff ff 10 10 51 12 81 88 ff ff ..Q. ......P..... rastreo inverso: [&lt;000000009e5931da&gt;] kmalloc_trace+0x21/0x110 [&lt;00000000fcbe706c&gt;] sdio_alloc_func+0x35/0x100 [mmc_core] [&lt;00000000c68f4b50&gt;] mmc_attach_sdio.cold. 18+0xb1/ 0x395 [mmc_core] [&lt;00000000d4fdeba7&gt;] mmc_rescan+0x54a/0x640 [mmc_core]"}], "id": "CVE-2023-52730", "lastModified": "2026-06-17T06:43:27.000", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-52730", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-10T15:37:41.339440Z", "version": "2.0.3"}}]}, "published": "2024-05-21T16:15:13.157", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1e06cf04239e202248c8fa356bf11449dc73cfbd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/30716d9f0fa1766e522cf24c8a456244e4fc9931"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5c7858adada31dbed042448cff6997dd6efc472a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/605d9fb9556f8f5fb4566f4df1480f280f308ded"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/761db46b29b496946046d8cb33c7ea6de6bef36e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/92ff03c2563c9b57a027c744750f3b7d2f261c58"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f855d31bb38d663c3ba672345d7cce9324ba3b72"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1e06cf04239e202248c8fa356bf11449dc73cfbd"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/30716d9f0fa1766e522cf24c8a456244e4fc9931"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5c7858adada31dbed042448cff6997dd6efc472a"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/605d9fb9556f8f5fb4566f4df1480f280f308ded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/761db46b29b496946046d8cb33c7ea6de6bef36e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/92ff03c2563c9b57a027c744750f3b7d2f261c58"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f855d31bb38d663c3ba672345d7cce9324ba3b72"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:5102", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-553.16.1.rt7.357.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-08-08T00:00:00Z"}, {"advisory": "RHSA-2024:5101", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-553.16.1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-08-08T00:00:00Z"}, {"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: mmc: sdio: fix possible resource leaks in some error paths", "id": "2282640", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2282640"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/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:\nmmc: sdio: fix possible resource leaks in some error paths\nIf sdio_add_func() or sdio_init_func() fails, sdio_remove_func() can\nnot release the resources, because the sdio function is not presented\nin these two cases, it won't call of_node_put() or put_device().\nTo fix these leaks, make sdio_func_present() only control whether\ndevice_del() needs to be called or not, then always call of_node_put()\nand put_device().\nIn error case in sdio_init_func(), the reference of 'card->dev' is\nnot get, to avoid redundant put in sdio_free_func_cis(), move the\nget_device() to sdio_alloc_func() and put_device() to sdio_release_func(),\nit can keep the get/put function be balanced.\nWithout this patch, while doing fault inject test, it can get the\nfollowing leak reports, after this fix, the leak is gone.\nunreferenced object 0xffff888112514000 (size 2048):\ncomm \"kworker/3:2\", pid 65, jiffies 4294741614 (age 124.774s)\nhex dump (first 32 bytes):\n00 e0 6f 12 81 88 ff ff 60 58 8d 06 81 88 ff ff ..o.....`X......\n10 40 51 12 81 88 ff ff 10 40 51 12 81 88 ff ff .@Q......@Q.....\nbacktrace:\n[<000000009e5931da>] kmalloc_trace+0x21/0x110\n[<000000002f839ccb>] mmc_alloc_card+0x38/0xb0 [mmc_core]\n[<0000000004adcbf6>] mmc_sdio_init_card+0xde/0x170 [mmc_core]\n[<000000007538fea0>] mmc_attach_sdio+0xcb/0x1b0 [mmc_core]\n[<00000000d4fdeba7>] mmc_rescan+0x54a/0x640 [mmc_core]\nunreferenced object 0xffff888112511000 (size 2048):\ncomm \"kworker/3:2\", pid 65, jiffies 4294741623 (age 124.766s)\nhex dump (first 32 bytes):\n00 40 51 12 81 88 ff ff e0 58 8d 06 81 88 ff ff .@Q......X......\n10 10 51 12 81 88 ff ff 10 10 51 12 81 88 ff ff ..Q.......Q.....\nbacktrace:\n[<000000009e5931da>] kmalloc_trace+0x21/0x110\n[<00000000fcbe706c>] sdio_alloc_func+0x35/0x100 [mmc_core]\n[<00000000c68f4b50>] mmc_attach_sdio.cold.18+0xb1/0x395 [mmc_core]\n[<00000000d4fdeba7>] mmc_rescan+0x54a/0x640 [mmc_core]"], "name": "CVE-2023-52730", "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:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52730\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52730\nhttps://lore.kernel.org/linux-cve-announce/2024052158-CVE-2023-52730-1c8f@gregkh/T"], "threat_severity": "Low"}

{}