{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/ti/icssg/icssg_common.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "d5827316debcb677679bb014885d7be92c410e11",
              "status": "affected",
              "version": "46eeb90f03e03d5e8f7f9f1f0eb0792104fc5f86",
              "versionType": "git"
            },
            {
              "lessThan": "eb8c426c9803beb171f89d15fea17505eb517714",
              "status": "affected",
              "version": "46eeb90f03e03d5e8f7f9f1f0eb0792104fc5f86",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/ti/icssg/icssg_common.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.15"
            },
            {
              "lessThan": "6.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.11",
                  "versionStartIncluding": "6.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "6.15",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ti: icssg-prueth: fix use-after-free of CPPI descriptor in RX path\n\ncppi5_hdesc_get_psdata() returns a pointer into the CPPI descriptor.\nIn both emac_rx_packet() and emac_rx_packet_zc(), the descriptor is\nfreed via k3_cppi_desc_pool_free() before the psdata pointer is used\nby emac_rx_timestamp(), which dereferences psdata[0] and psdata[1].\nThis constitutes a use-after-free on every received packet that goes\nthrough the timestamp path.\n\nDefer the descriptor free until after all accesses through the psdata\npointer are complete. For emac_rx_packet(), move the free into the\nrequeue label so both early-exit and success paths free the descriptor\nafter all accesses are done. For emac_rx_packet_zc(), move the free to\nthe end of the loop body after emac_dispatch_skb_zc() (which calls\nemac_rx_timestamp()) has returned."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-22T13:54:21.749Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/d5827316debcb677679bb014885d7be92c410e11"
        },
        {
          "url": "https://git.kernel.org/stable/c/eb8c426c9803beb171f89d15fea17505eb517714"
        }
      ],
      "title": "net: ti: icssg-prueth: fix use-after-free of CPPI descriptor in RX path",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-31501",
    "datePublished": "2026-04-22T13:54:21.749Z",
    "dateReserved": "2026-03-09T15:48:24.104Z",
    "dateUpdated": "2026-04-22T13:54:21.749Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-31501\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-04-22T14:16:48.597\",\"lastModified\":\"2026-04-22T14:16:48.597\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: ti: icssg-prueth: fix use-after-free of CPPI descriptor in RX path\\n\\ncppi5_hdesc_get_psdata() returns a pointer into the CPPI descriptor.\\nIn both emac_rx_packet() and emac_rx_packet_zc(), the descriptor is\\nfreed via k3_cppi_desc_pool_free() before the psdata pointer is used\\nby emac_rx_timestamp(), which dereferences psdata[0] and psdata[1].\\nThis constitutes a use-after-free on every received packet that goes\\nthrough the timestamp path.\\n\\nDefer the descriptor free until after all accesses through the psdata\\npointer are complete. For emac_rx_packet(), move the free into the\\nrequeue label so both early-exit and success paths free the descriptor\\nafter all accesses are done. For emac_rx_packet_zc(), move the free to\\nthe end of the loop body after emac_dispatch_skb_zc() (which calls\\nemac_rx_timestamp()) has returned.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/d5827316debcb677679bb014885d7be92c410e11\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/eb8c426c9803beb171f89d15fea17505eb517714\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}