CVE-2026-52907 (GCVE-0-2026-52907)

Vulnerability from cvelistv5 – Published: 2026-06-09 12:36 – Updated: 2026-08-05 12:31
VLAI
Title
media: rockchip: rkcif: fix off by one bugs
Summary
In the Linux kernel, the following vulnerability has been resolved: media: rockchip: rkcif: fix off by one bugs Change these comparisons from > vs >= to avoid accessing one element beyond the end of the arrays. While at it, use ARRAY_SIZE instead of the _MAX enum values. [fix cosmetic issues]
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 1f2353f5a1af995efbf7bea44341aa0d03460b28 , < 73e119036b3a799170ed89907b4273c07306d611 (git)
Affected: 1f2353f5a1af995efbf7bea44341aa0d03460b28 , < e4056b84af0fc18c84b4e5741df04ecd8ca17973 (git)
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Linux Linux Affected: 6.19
Unaffected: 0 , < 6.19 (semver)
Unaffected: 7.0.4 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
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Show details on NVD website
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{
  "containers": {
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      "affected": [
        {
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          "product": "Linux",
          "programFiles": [
            "drivers/media/platform/rockchip/rkcif/rkcif-capture-mipi.c"
          ],
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: rockchip: rkcif: fix off by one bugs\n\nChange these comparisons from \u003e vs \u003e= to avoid accessing one element\nbeyond the end of the arrays.\nWhile at it, use ARRAY_SIZE instead of the _MAX enum values.\n\n[fix cosmetic issues]"
        }
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            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The vulnerable register helpers are reached only through local V4L2 capture device access (open/ioctl/streamon) on Rockchip RK3568 VICAP MIPI nodes, not via any network protocol.\nAC:L - No races or special memory layout are required; once out-of-range block/id/index values reach the helpers, the off-by-one access and resulting MMIO operations occur deterministically during normal streaming or IRQ handling.\nPR:L - Exploitation requires only local access to the V4L2 video capture device node (typically granted to unprivileged users in the video group), not root in the init namespace or special capabilities.\nUI:N - An attacker with access to the capture device can trigger the code path themselves via standard V4L2 streaming ioctls without requiring action from another user.\nS:U - Impact is confined to kernel/driver memory and Rockchip VICAP hardware programming within the same security authority; there is no VM, container, or IOMMU boundary crossing.\nC:H - The flaw is an out-of-bounds read of kernel match_data register tables; per guidance, OOB reads can leak adjacent kernel memory and enable crafting unintended MMIO offsets.\nI:H - The OOB-read value is summed into a hardware register address used by writel(), enabling misdirected MMIO writes including DMA address registers programmed during buffer queue operations.\nA:H - Out-of-bounds access can trigger KASAN/KFENCE faults or misprogrammed capture hardware leading to kernel oops, panic, or hung capture on affected Rockchip embedded systems."
            }
          ]
        }
      ],
      "providerMetadata": {
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        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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      "title": "media: rockchip: rkcif: fix off by one bugs",
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    "cveId": "CVE-2026-52907",
    "datePublished": "2026-06-09T12:36:04.617Z",
    "dateReserved": "2026-06-09T07:44:35.366Z",
    "dateUpdated": "2026-08-05T12:31:30.487Z",
    "state": "PUBLISHED"
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      "date": "2026-09-23",
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      "percentile": "0.01564"
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                "product": "Linux",
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                ],
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        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: rockchip: rkcif: fix off by one bugs\n\nChange these comparisons from \u003e vs \u003e= to avoid accessing one element\nbeyond the end of the arrays.\nWhile at it, use ARRAY_SIZE instead of the _MAX enum values.\n\n[fix cosmetic issues]"
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad:\n\nmedia: rockchip: rkcif: corregir errores de \u0027off-by-one\u0027\n\nCambiar estas comparaciones de \u003e frente a \u003e= para evitar acceder a un elemento m\u00e1s all\u00e1 del final de los arrays.\nDe paso, usar ARRAY_SIZE en lugar de los valores de enumeraci\u00f3n _MAX.\n\n[corregir problemas est\u00e9ticos]"
          }
        ],
        "id": "CVE-2026-52907",
        "lastModified": "2026-07-23T08:10:00.137",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
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                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
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                "scope": "UNCHANGED",
                "userInteraction": "NONE",
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              "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
              "type": "Secondary"
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        "vulnStatus": "Analyzed",
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            "description": [
              {
                "lang": "en",
                "value": "CWE-193"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
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    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-06-28T07:43:34+00:00",
      "cve": "CVE-2026-52907",
      "id": "CVE-2026-52907",
      "initial_release_date": "2026-06-09T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: media: rockchip: rkcif: fix off by one bugs",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52907.json",
      "version": "3"
    }
  }
}



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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.


Detection rules are retrieved from Rulezet.


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.