GHSA-F426-43F4-XJRC

Vulnerability from github – Published: 2026-05-06 12:30 – Updated: 2026-05-08 15:31
VLAI?
Details

In the Linux kernel, the following vulnerability has been resolved:

media: qcom: camss: vfe: Fix out-of-bounds access in vfe_isr_reg_update()

vfe_isr() iterates using MSM_VFE_IMAGE_MASTERS_NUM(7) as the loop bound and passes the index to vfe_isr_reg_update(). However, vfe->line[] array is defined with VFE_LINE_NUM_MAX(4):

struct vfe_line line[VFE_LINE_NUM_MAX];

When index is 4, 5, 6, the access to vfe->line[line_id] exceeds the array bounds and resulting in out-of-bounds memory access.

Fix this by using separate loops for output lines and write masters.

Severity ?
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2026-43256"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-06T12:16:46Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: qcom: camss: vfe: Fix out-of-bounds access in vfe_isr_reg_update()\n\nvfe_isr() iterates using MSM_VFE_IMAGE_MASTERS_NUM(7) as the loop\nbound and passes the index to vfe_isr_reg_update(). However,\nvfe-\u003eline[] array is defined with VFE_LINE_NUM_MAX(4):\n\n    struct vfe_line line[VFE_LINE_NUM_MAX];\n\nWhen index is 4, 5, 6, the access to vfe-\u003eline[line_id] exceeds\nthe array bounds and resulting in out-of-bounds memory access.\n\nFix this by using separate loops for output lines and write masters.",
  "id": "GHSA-f426-43f4-xjrc",
  "modified": "2026-05-08T15:31:18Z",
  "published": "2026-05-06T12:30:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43256"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0c074e80921fd18984b75836730d76c768c84f65"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1b103307df6d461a0731be25aca69ad0335b0933"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d965919af524e68cb2ab1a685872050ad2ee933d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e6cbf765686fb6c1d8f2530b3daf6c66efc92f5d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e7a38ecda2498e7ce998793ac2a46ca47317635d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fade67c88870f497a13ed450ba01f7236c92dd9b"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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