{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2024-26680",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-26680",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-04-02T07:01:44.050Z",
    "updatedAt": "2026-05-11T20:02:07.476Z",
    "importedAt": "2026-10-24T01:57:07.518Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "net: atlantic: Fix DMA mapping for PTP hwts ring",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: atlantic: Fix DMA mapping for PTP hwts ring\n\nFunction aq_ring_hwts_rx_alloc() maps extra AQ_CFG_RXDS_DEF bytes\nfor PTP HWTS ring but then generic aq_ring_free() does not take this\ninto account.\nCreate and use a specific function to free HWTS ring to fix this\nissue.\n\nTrace:\n[  215.351607] ------------[ cut here ]------------\n[  215.351612] DMA-API: atlantic 0000:4b:00.0: device driver frees DMA memory with different size [device address=0x00000000fbdd0000] [map size=34816 bytes] [unmap size=32768 bytes]\n[  215.351635] WARNING: CPU: 33 PID: 10759 at kernel/dma/debug.c:988 check_unmap+0xa6f/0x2360\n...\n[  215.581176] Call Trace:\n[  215.583632]  <TASK>\n[  215.585745]  ? show_trace_log_lvl+0x1c4/0x2df\n[  215.590114]  ? show_trace_log_lvl+0x1c4/0x2df\n[  215.594497]  ? debug_dma_free_coherent+0x196/0x210\n[  215.599305]  ? check_unmap+0xa6f/0x2360\n[  215.603147]  ? __warn+0xca/0x1d0\n[  215.606391]  ? check_unmap+0xa6f/0x2360\n[  215.610237]  ? report_bug+0x1ef/0x370\n[  215.613921]  ? handle_bug+0x3c/0x70\n[  215.617423]  ? exc_invalid_op+0x14/0x50\n[  215.621269]  ? asm_exc_invalid_op+0x16/0x20\n[  215.625480]  ? check_unmap+0xa6f/0x2360\n[  215.629331]  ? mark_lock.part.0+0xca/0xa40\n[  215.633445]  debug_dma_free_coherent+0x196/0x210\n[  215.638079]  ? __pfx_debug_dma_free_coherent+0x10/0x10\n[  215.643242]  ? slab_free_freelist_hook+0x11d/0x1d0\n[  215.648060]  dma_free_attrs+0x6d/0x130\n[  215.651834]  aq_ring_free+0x193/0x290 [atlantic]\n[  215.656487]  aq_ptp_ring_free+0x67/0x110 [atlantic]\n...\n[  216.127540] ---[ end trace 6467e5964dd2640b ]---\n[  216.132160] DMA-API: Mapped at:\n[  216.132162]  debug_dma_alloc_coherent+0x66/0x2f0\n[  216.132165]  dma_alloc_attrs+0xf5/0x1b0\n[  216.132168]  aq_ring_hwts_rx_alloc+0x150/0x1f0 [atlantic]\n[  216.132193]  aq_ptp_ring_alloc+0x1bb/0x540 [atlantic]\n[  216.132213]  aq_nic_init+0x4a1/0x760 [atlantic]",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "94ad94558b0fbf18dd6fb0987540af1693157556",
              "status": "affected",
              "versionType": "git",
              "lessThan": "466ceebe48cbba3f4506f165fca7111f9eb8bb12"
            },
            {
              "version": "94ad94558b0fbf18dd6fb0987540af1693157556",
              "status": "affected",
              "versionType": "git",
              "lessThan": "004fe5b7f59286a926a45e0cafc7870e9cdddd56"
            },
            {
              "version": "94ad94558b0fbf18dd6fb0987540af1693157556",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e42e334c645575be5432adee224975d4f536fdb1"
            },
            {
              "version": "94ad94558b0fbf18dd6fb0987540af1693157556",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2e7d3b67630dfd8f178c41fa2217aa00e79a5887"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.5",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.5"
            },
            {
              "version": "6.1.78",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.17",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.7.5",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.7.*"
            },
            {
              "version": "6.8",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}