{ "id": "CVE-2021-47133", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-03-15T21:15:07.733", "lastModified": "2025-01-07T17:30:18.143", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: amd_sfh: Fix memory leak in amd_sfh_work\n\nKmemleak tool detected a memory leak in the amd_sfh driver.\n\n====================\nunreferenced object 0xffff88810228ada0 (size 32):\n comm \"insmod\", pid 3968, jiffies 4295056001 (age 775.792s)\n hex dump (first 32 bytes):\n 00 20 73 1f 81 88 ff ff 00 01 00 00 00 00 ad de . s.............\n 22 01 00 00 00 00 ad de 01 00 02 00 00 00 00 00 \"...............\n backtrace:\n [<000000007b4c8799>] kmem_cache_alloc_trace+0x163/0x4f0\n [<0000000005326893>] amd_sfh_get_report+0xa4/0x1d0 [amd_sfh]\n [<000000002a9e5ec4>] amdtp_hid_request+0x62/0x80 [amd_sfh]\n [<00000000b8a95807>] sensor_hub_get_feature+0x145/0x270 [hid_sensor_hub]\n [<00000000fda054ee>] hid_sensor_parse_common_attributes+0x215/0x460 [hid_sensor_iio_common]\n [<0000000021279ecf>] hid_accel_3d_probe+0xff/0x4a0 [hid_sensor_accel_3d]\n [<00000000915760ce>] platform_probe+0x6a/0xd0\n [<0000000060258a1f>] really_probe+0x192/0x620\n [<00000000fa812f2d>] driver_probe_device+0x14a/0x1d0\n [<000000005e79f7fd>] __device_attach_driver+0xbd/0x110\n [<0000000070d15018>] bus_for_each_drv+0xfd/0x160\n [<0000000013a3c312>] __device_attach+0x18b/0x220\n [<000000008c7b4afc>] device_initial_probe+0x13/0x20\n [<00000000e6e99665>] bus_probe_device+0xfe/0x120\n [<00000000833fa90b>] device_add+0x6a6/0xe00\n [<00000000fa901078>] platform_device_add+0x180/0x380\n====================\n\nThe fix is to freeing request_list entry once the processed entry is\nremoved from the request_list." }, { "lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: HID: amd_sfh: Reparar p\u00e9rdida de memoria en amd_sfh_work La herramienta Kmemleak detect\u00f3 una p\u00e9rdida de memoria en el controlador amd_sfh. ==================== objeto sin referencia 0xffff88810228ada0 (tama\u00f1o 32): comm \"insmod\", pid 3968, jiffies 4295056001 (edad 775,792 s) volcado hexadecimal (primeros 32 bytes) : 00 20 73 1f 81 88 ff ff 00 01 00 00 00 00 ad de . s................. 22 01 00 00 00 00 ad de 01 00 02 00 00 00 00 00 \"................. retroceso: [< 000000007b4c8799>] kmem_cache_alloc_trace+0x163/0x4f0 [<0000000005326893>] amd_sfh_get_report+0xa4/0x1d0 [amd_sfh] [<000000002a9e5ec4>] amdtp_hid_request+0x6 2/0x80 [amd_sfh] [<00000000b8a95807>] sensor_hub_get_feature+0x145/0x270 [hid_sensor_hub] [<00000000fda054ee >] hid_sensor_parse_common_attributes+0x215/0x460 [hid_sensor_iio_common] [<0000000021279ecf>] hid_accel_3d_probe+0xff/0x4a0 [hid_sensor_accel_3d] [<00000000915760ce>] platform_probe+0x6a/0xd0 [ <0000000060258a1f>] very_probe+0x192/0x620 [<00000000fa812f2d>] driver_probe_device+ 0x14a/0x1d0 [<000000005e79f7fd>] __device_attach_driver+0xbd/0x110 [<0000000070d15018>] bus_for_each_drv+0xfd/0x160 [<0000000013a3c312>] __device_attach+0x1 8b/0x220 [<000000008c7b4afc>] dispositivo_sonda_inicial+0x13/0x20 [<00000000e6e99665>] bus_probe_dispositivo+ 0xfe/0x120 [<00000000833fa90b>] device_add+0x6a6/0xe00 [<00000000fa901078>] platform_device_add+0x180/0x380 ===================== La soluci\u00f3n es liberar la entrada request_list una vez que la entrada procesada se elimina de request_list." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-401" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.12.10", "matchCriteriaId": "27384800-AB48-4C08-891E-34B66F5FC4AA" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*", "matchCriteriaId": "0CBAD0FC-C281-4666-AB2F-F8E6E1165DF7" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*", "matchCriteriaId": "96AC23B2-D46A-49D9-8203-8E1BEDCA8532" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*", "matchCriteriaId": "DA610E30-717C-4700-9F77-A3C9244F3BFD" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc4:*:*:*:*:*:*", "matchCriteriaId": "1ECD33F5-85BE-430B-8F86-8D7BD560311D" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/29beadea66a226d744d5ffdcde6b984623053d24", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/5ad755fd2b326aa2bc8910b0eb351ee6aece21b1", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/29beadea66a226d744d5ffdcde6b984623053d24", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/5ad755fd2b326aa2bc8910b0eb351ee6aece21b1", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] } ] }