{ "id": "CVE-2022-49032", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-10-21T20:15:13.877", "lastModified": "2024-10-24T16:04:49.880", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: health: afe4404: Fix oob read in afe4404_[read|write]_raw\n\nKASAN report out-of-bounds read as follows:\n\nBUG: KASAN: global-out-of-bounds in afe4404_read_raw+0x2ce/0x380\nRead of size 4 at addr ffffffffc00e4658 by task cat/278\n\nCall Trace:\n afe4404_read_raw\n iio_read_channel_info\n dev_attr_show\n\nThe buggy address belongs to the variable:\n afe4404_channel_leds+0x18/0xffffffffffffe9c0\n\nThis issue can be reproduce by singe command:\n\n $ cat /sys/bus/i2c/devices/0-0058/iio\\:device0/in_intensity6_raw\n\nThe array size of afe4404_channel_leds and afe4404_channel_offdacs\nare less than channels, so access with chan->address cause OOB read\nin afe4404_[read|write]_raw. Fix it by moving access before use them." }, { "lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: iio: health: afe4404: Se corrige la lectura oob en el informe de KASAN afe4404_[read|write]_raw de la siguiente manera: ERROR: KASAN: global-out-of-bounds en afe4404_read_raw+0x2ce/0x380 Lectura de tama\u00f1o 4 en la direcci\u00f3n ffffffffc00e4658 por la tarea cat/278 Rastreo de llamadas: afe4404_read_raw iio_read_channel_info dev_attr_show La direcci\u00f3n con errores pertenece a la variable: afe4404_channel_leds+0x18/0xffffffffffffe9c0 Este problema se puede reproducir con un solo comando: $ cat /sys/bus/i2c/devices/0-0058/iio\\:device0/in_intensity6_raw El tama\u00f1o de la matriz de afe4404_channel_leds y afe4404_channel_offdacs son menores que los canales, por lo que el acceso con chan->address provoca una lectura OOB en afe4404_[read|write]_raw. Solucione este problema moviendo el acceso antes de usarlos." } ], "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:H/I:N/A:H", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 5.2 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-125" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "4.9.335", "matchCriteriaId": "D200C3B5-F98E-40BB-AF07-8CCA8B0F340D" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "4.14.301", "matchCriteriaId": "0EE18A3A-1E78-44D6-9FDB-B267E4819993" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "4.19.268", "matchCriteriaId": "04705C94-71FA-46AB-AF73-B551892B0EBA" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "5.4.226", "matchCriteriaId": "274F5087-5805-4D03-8C74-8517300658F1" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "5.10.158", "matchCriteriaId": "D0FB1AF1-0A0B-4419-B25F-C61F17380E18" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.15.82", "matchCriteriaId": "0DC20DB6-73C1-4465-B931-117BFB8EBB02" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.0.12", "matchCriteriaId": "D6D56E90-F3EE-413D-B3E2-B518932F0C7D" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*", "matchCriteriaId": "E7E331DA-1FB0-4DEC-91AC-7DA69D461C11" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*", "matchCriteriaId": "17F0B248-42CF-4AE6-A469-BB1BAE7F4705" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*", "matchCriteriaId": "E2422816-0C14-4B5E-A1E6-A9D776E5C49B" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*", "matchCriteriaId": "1C6E00FE-5FB9-4D20-A1A1-5A32128F9B76" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:*", "matchCriteriaId": "35B26BE4-43A6-4A36-A7F6-5B3F572D9186" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc6:*:*:*:*:*:*", "matchCriteriaId": "3FFFB0B3-930D-408A-91E2-BAE0C2715D80" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/113c08030a89aaf406f8a1d4549d758a67c2afba", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/3f566b626029ca8598d48e5074e56bb37399ca1b", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/5eb114f55b37dbc0487aa9c1913b81bb7837f1c4", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/68de7da092f38395dde523f2e5db26eba6c23e28", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/d45d9f45e7b1365fd0d9bf14680d6d5082a590d1", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/f5575041ec15310bdc50c42b8b22118cc900226e", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/f7419fc42afc035f6b29ce713e17dcd2000c833f", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/fc92d9e3de0b2d30a3ccc08048a5fad533e4672b", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] } ] }