{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2023-52730", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-52730", "idYear": 2023, "status": "PUBLISHED", "publishedAt": "2024-05-21T15:22:56.633Z", "updatedAt": "2026-05-11T19:32:08.191Z", "importedAt": "2026-10-24T01:57:03.413Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "mmc: sdio: fix possible resource leaks in some error paths", "summary": "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]", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "3d10a1ba0d37c8f5fd5afcdda00613fbb8a90bf5", "status": "affected", "versionType": "git", "lessThan": "92ff03c2563c9b57a027c744750f3b7d2f261c58" }, { "version": "3d10a1ba0d37c8f5fd5afcdda00613fbb8a90bf5", "status": "affected", "versionType": "git", "lessThan": "5c7858adada31dbed042448cff6997dd6efc472a" }, { "version": "3d10a1ba0d37c8f5fd5afcdda00613fbb8a90bf5", "status": "affected", "versionType": "git", "lessThan": "761db46b29b496946046d8cb33c7ea6de6bef36e" }, { "version": "3d10a1ba0d37c8f5fd5afcdda00613fbb8a90bf5", "status": "affected", "versionType": "git", "lessThan": "30716d9f0fa1766e522cf24c8a456244e4fc9931" }, { "version": "3d10a1ba0d37c8f5fd5afcdda00613fbb8a90bf5", "status": "affected", "versionType": "git", "lessThan": "1e06cf04239e202248c8fa356bf11449dc73cfbd" }, { "version": "3d10a1ba0d37c8f5fd5afcdda00613fbb8a90bf5", "status": "affected", "versionType": "git", "lessThan": "f855d31bb38d663c3ba672345d7cce9324ba3b72" }, { "version": "3d10a1ba0d37c8f5fd5afcdda00613fbb8a90bf5", "status": "affected", "versionType": "git", "lessThan": "605d9fb9556f8f5fb4566f4df1480f280f308ded" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "2.6.33", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "2.6.33" }, { "version": "4.14.306", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.14.*" }, { "version": "4.19.273", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.19.*" }, { "version": "5.4.232", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.169", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.95", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.13", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.2", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }