{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "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": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/net/ethernet/aquantia/atlantic/aq_ptp.c",
                  "drivers/net/ethernet/aquantia/atlantic/aq_ring.c",
                  "drivers/net/ethernet/aquantia/atlantic/aq_ring.h"
               ],
               "versions": [
                  {
                     "version": "94ad94558b0f",
                     "lessThan": "466ceebe48cb",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "94ad94558b0f",
                     "lessThan": "004fe5b7f592",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "94ad94558b0f",
                     "lessThan": "e42e334c6455",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "94ad94558b0f",
                     "lessThan": "2e7d3b67630d",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/net/ethernet/aquantia/atlantic/aq_ptp.c",
                  "drivers/net/ethernet/aquantia/atlantic/aq_ring.c",
                  "drivers/net/ethernet/aquantia/atlantic/aq_ring.h"
               ],
               "versions": [
                  {
                     "version": "5.5",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "5.5",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.78",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.17",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.7.5",
                     "lessThanOrEqual": "6.7.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.8",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/466ceebe48cbba3f4506f165fca7111f9eb8bb12"
            },
            {
               "url": "https://git.kernel.org/stable/c/004fe5b7f59286a926a45e0cafc7870e9cdddd56"
            },
            {
               "url": "https://git.kernel.org/stable/c/e42e334c645575be5432adee224975d4f536fdb1"
            },
            {
               "url": "https://git.kernel.org/stable/c/2e7d3b67630dfd8f178c41fa2217aa00e79a5887"
            }
         ],
         "title": "net: atlantic: Fix DMA mapping for PTP hwts ring",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-26680",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}