CVE-2023-53146 (GCVE-0-2023-53146)

Vulnerability from cvelistv5 – Published: 2025-05-14 12:43 – Updated: 2026-05-11 19:39
VLAI
Title
media: dw2102: Fix null-ptr-deref in dw2102_i2c_transfer()
Summary
In the Linux kernel, the following vulnerability has been resolved: media: dw2102: Fix null-ptr-deref in dw2102_i2c_transfer() In dw2102_i2c_transfer, msg is controlled by user. When msg[i].buf is null and msg[i].len is zero, former checks on msg[i].buf would be passed. Malicious data finally reach dw2102_i2c_transfer. If accessing msg[i].buf[0] without sanity check, null ptr deref would happen. We add check on msg[i].len to prevent crash. Similar commit: commit 950e252cb469 ("[media] dw2102: limit messages to buffer size")
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 7100 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 7fd4828f6cc5bd4339ff58e372ccb5f528548b30 , < 77cbd42d29de9ffc93d5529bab8813cde53af14c (git)
Affected: 7fd4828f6cc5bd4339ff58e372ccb5f528548b30 , < ecbe6d011b95c7da59f014f8d26cb7245ed1e11e (git)
Affected: 7fd4828f6cc5bd4339ff58e372ccb5f528548b30 , < beb9550494e7349f92b9eaa283256a5ad9b1c9be (git)
Affected: 7fd4828f6cc5bd4339ff58e372ccb5f528548b30 , < 97fdbdb750342cbc204befde976872fedb406ee6 (git)
Affected: 7fd4828f6cc5bd4339ff58e372ccb5f528548b30 , < 903566208ae6bb9c0e7e54355ce75bf6cf72485d (git)
Affected: 7fd4828f6cc5bd4339ff58e372ccb5f528548b30 , < 08dfcbd03b2b7f918c4f87c6ff637054e510df74 (git)
Affected: 7fd4828f6cc5bd4339ff58e372ccb5f528548b30 , < fb28afab113a82b89ffec48c8155ec05b4f8cb5e (git)
Affected: 7fd4828f6cc5bd4339ff58e372ccb5f528548b30 , < 5ae544d94abc8ff77b1b9bf8774def3fa5689b5b (git)
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Linux Linux Affected: 2.6.27
Unaffected: 0 , < 2.6.27 (semver)
Unaffected: 4.14.326 , ≤ 4.14.* (semver)
Unaffected: 4.19.295 , ≤ 4.19.* (semver)
Unaffected: 5.4.257 , ≤ 5.4.* (semver)
Unaffected: 5.10.197 , ≤ 5.10.* (semver)
Unaffected: 5.15.133 , ≤ 5.15.* (semver)
Unaffected: 6.1.55 , ≤ 6.1.* (semver)
Unaffected: 6.5.5 , ≤ 6.5.* (semver)
Unaffected: 6.6 , ≤ * (original_commit_for_fix)
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            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: media: dw2102: Se ha corregido la correcci\u00f3n de null-ptr-deref en dw2102_i2c_transfer(). En dw2102_i2c_transfer, el usuario controla msg. Cuando msg[i].buf es nulo y msg[i].len es cero, se superan las comprobaciones previas de msg[i].buf. Los datos maliciosos finalmente llegan a dw2102_i2c_transfer. Si se accede a msg[i].buf[0] sin una comprobaci\u00f3n de seguridad, se produce una correcci\u00f3n de ptr nula. Se ha a\u00f1adido una comprobaci\u00f3n de msg[i].len para evitar un fallo. Commit similar: commit 950e252cb469 (\"[media] dw2102: limitar los mensajes al tama\u00f1o del b\u00fafer\")"
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                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
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        "published": "2025-05-14T13:15:47.083",
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            "url": "https://git.kernel.org/stable/c/beb9550494e7349f92b9eaa283256a5ad9b1c9be"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/ecbe6d011b95c7da59f014f8d26cb7245ed1e11e"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/fb28afab113a82b89ffec48c8155ec05b4f8cb5e"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-476"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-03T07:17:26+00:00",
      "cve": "CVE-2023-53146",
      "id": "CVE-2023-53146",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_affected": "76",
      "product_status:known_not_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: media: dw2102: Fix null-ptr-deref in dw2102_i2c_transfer()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53146.json",
      "version": "3"
    }
  }
}



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