CVE-2022-49032 (GCVE-0-2022-49032)

Vulnerability from cvelistv5 – Published: 2024-10-21 20:06 – Updated: 2026-05-11 18:51
VLAI
Title
iio: health: afe4404: Fix oob read in afe4404_[read|write]_raw
Summary
In the Linux kernel, the following vulnerability has been resolved: iio: health: afe4404: Fix oob read in afe4404_[read|write]_raw KASAN report out-of-bounds read as follows: BUG: KASAN: global-out-of-bounds in afe4404_read_raw+0x2ce/0x380 Read of size 4 at addr ffffffffc00e4658 by task cat/278 Call Trace: afe4404_read_raw iio_read_channel_info dev_attr_show The buggy address belongs to the variable: afe4404_channel_leds+0x18/0xffffffffffffe9c0 This issue can be reproduce by singe command: $ cat /sys/bus/i2c/devices/0-0058/iio\:device0/in_intensity6_raw The array size of afe4404_channel_leds and afe4404_channel_offdacs are less than channels, so access with chan->address cause OOB read in afe4404_[read|write]_raw. Fix it by moving access before use them.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 13:11 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: b36e8257641a043764c62240316610c81e36376c , < 68de7da092f38395dde523f2e5db26eba6c23e28 (git)
Affected: b36e8257641a043764c62240316610c81e36376c , < 113c08030a89aaf406f8a1d4549d758a67c2afba (git)
Affected: b36e8257641a043764c62240316610c81e36376c , < f5575041ec15310bdc50c42b8b22118cc900226e (git)
Affected: b36e8257641a043764c62240316610c81e36376c , < 3f566b626029ca8598d48e5074e56bb37399ca1b (git)
Affected: b36e8257641a043764c62240316610c81e36376c , < 5eb114f55b37dbc0487aa9c1913b81bb7837f1c4 (git)
Affected: b36e8257641a043764c62240316610c81e36376c , < f7419fc42afc035f6b29ce713e17dcd2000c833f (git)
Affected: b36e8257641a043764c62240316610c81e36376c , < d45d9f45e7b1365fd0d9bf14680d6d5082a590d1 (git)
Affected: b36e8257641a043764c62240316610c81e36376c , < fc92d9e3de0b2d30a3ccc08048a5fad533e4672b (git)
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Linux Linux Affected: 4.8
Unaffected: 0 , < 4.8 (semver)
Unaffected: 4.9.335 , ≤ 4.9.* (semver)
Unaffected: 4.14.301 , ≤ 4.14.* (semver)
Unaffected: 4.19.268 , ≤ 4.19.* (semver)
Unaffected: 5.4.226 , ≤ 5.4.* (semver)
Unaffected: 5.10.158 , ≤ 5.10.* (semver)
Unaffected: 5.15.82 , ≤ 5.15.* (semver)
Unaffected: 6.0.12 , ≤ 6.0.* (semver)
Unaffected: 6.1 , ≤ * (original_commit_for_fix)
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          "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-\u0026gt;address provoca una lectura OOB en afe4404_[read|write]_raw. Solucione este problema moviendo el acceso antes de usarlos."
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      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2022-49032",
        "datePublished": "2024-10-21T20:06:35.864Z",
        "dateReserved": "2024-08-22T01:27:53.652Z",
        "dateUpdated": "2024-10-22T13:18:35.607Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.