CVE-2026-90314 (GCVE-0-2026-90314)
Vulnerability from cvelistv5
Published
2026-09-17 16:08
Modified
2026-10-19 09:01
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: remoteproc: fix OOB read via signed offset in rsc_table_for_each_entry() table->offset[i] is a u32 from firmware, but was stored into a signed int. A crafted offset like 0xFFFFFFF0 becomes -16, placing hdr 16 bytes before the table buffer. The subsequent avail check was bypassed because the negative int was promoted to a large size_t in the expression "table_sz - offset - sizeof(*hdr)", yielding a large positive avail and letting the out-of-bounds hdr->type read proceed undetected. Store the offset as u32 and validate it with unsigned comparisons before any pointer arithmetic.
References
Impacted products
Vendor Product Version
Linux Linux Version: fd2c15ec1dd3c2fdfc6ff03bb9644da9d530e3b9
Version: fd2c15ec1dd3c2fdfc6ff03bb9644da9d530e3b9
Version: fd2c15ec1dd3c2fdfc6ff03bb9644da9d530e3b9
Version: fd2c15ec1dd3c2fdfc6ff03bb9644da9d530e3b9
Version: fd2c15ec1dd3c2fdfc6ff03bb9644da9d530e3b9
Version: fd2c15ec1dd3c2fdfc6ff03bb9644da9d530e3b9
Version: fd2c15ec1dd3c2fdfc6ff03bb9644da9d530e3b9
Version: fd2c15ec1dd3c2fdfc6ff03bb9644da9d530e3b9
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{
  "containers": {
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "include/linux/rsc_table.h"
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              "version": "0",
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      ],
      "cpeApplicability": [
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              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nremoteproc: fix OOB read via signed offset in rsc_table_for_each_entry()\n\ntable-\u003eoffset[i] is a u32 from firmware, but was stored into a signed\nint.  A crafted offset like 0xFFFFFFF0 becomes -16, placing hdr 16 bytes\nbefore the table buffer.  The subsequent avail check was bypassed\nbecause the negative int was promoted to a large size_t in the\nexpression \"table_sz - offset - sizeof(*hdr)\", yielding a large positive\navail and letting the out-of-bounds hdr-\u003etype read proceed undetected.\n\nStore the offset as u32 and validate it with unsigned comparisons before\nany pointer arithmetic."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T09:01:30.762Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/0d385be8f199b349f325cf90584b47b6a044ea79"
        },
        {
          "url": "https://git.kernel.org/stable/c/cc85e0d3d3333fd5fd2d50c9a4578d209d7f2564"
        },
        {
          "url": "https://git.kernel.org/stable/c/6a01ad25aa4f3a02153cf1d112cb9b65865cd5d8"
        },
        {
          "url": "https://git.kernel.org/stable/c/c82241a9454b2d30d53b50884f94b7972ba44a5e"
        },
        {
          "url": "https://git.kernel.org/stable/c/bc4940793aaa16a9cf90063b11d6926f8014a1b7"
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        {
          "url": "https://git.kernel.org/stable/c/6fd220604f06c746760183df74b07384c3fdd660"
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        {
          "url": "https://git.kernel.org/stable/c/6282d47b24b0c98d08d02807d676a7f67b4c052e"
        },
        {
          "url": "https://git.kernel.org/stable/c/bb840ea69347aff7bde5a208e7b5b180669a7656"
        }
      ],
      "title": "remoteproc: fix OOB read via signed offset in rsc_table_for_each_entry()",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-90314",
    "datePublished": "2026-09-17T16:08:33.568Z",
    "dateReserved": "2026-09-11T19:38:34.801Z",
    "dateUpdated": "2026-10-19T09:01:30.762Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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