{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "bbd2190ce96d8fce031f0526c1f970b68adc9d1a"
            },
            {
              "fixed": "ae2cd46f57f422b51aedd406ff5d75cbff401d5d"
            },
            {
              "fixed": "cb1d318702fdf643061350d164250198df4116f2"
            },
            {
              "fixed": "d5ec406f0543bd6cdfd563b08015fdec8c4d5712"
            },
            {
              "fixed": "2eb9d67704ca8f1101f7435b85f113ede471f9f2"
            },
            {
              "fixed": "9f3ec44aeb58501d11834048d5d0dbaeacb6d4e7"
            },
            {
              "fixed": "60f462cd2716d86bd2174f9d5e035c9278f30480"
            },
            {
              "fixed": "3aca300e88afe56afb000cdc4c65383014fb17f9"
            },
            {
              "fixed": "6dede3967619b5944003227a5d09fdc21ed57d10"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.15.0"
            },
            {
              "fixed": "5.10.253"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.203"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.169"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.135"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.82"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.23"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.13"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31658.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: altera-tse: fix skb leak on DMA mapping error in tse_start_xmit()\n\nWhen dma_map_single() fails in tse_start_xmit(), the function returns\nNETDEV_TX_OK without freeing the skb. Since NETDEV_TX_OK tells the\nstack the packet was consumed, the skb is never freed, leaking memory\non every DMA mapping failure.\n\nAdd dev_kfree_skb_any() before returning to properly free the skb.",
  "id": "CVE-2026-31658",
  "modified": "2026-07-08T05:39:17.187706417Z",
  "published": "2026-04-24T14:45:09.566Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2eb9d67704ca8f1101f7435b85f113ede471f9f2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3aca300e88afe56afb000cdc4c65383014fb17f9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/60f462cd2716d86bd2174f9d5e035c9278f30480"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6dede3967619b5944003227a5d09fdc21ed57d10"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9f3ec44aeb58501d11834048d5d0dbaeacb6d4e7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ae2cd46f57f422b51aedd406ff5d75cbff401d5d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cb1d318702fdf643061350d164250198df4116f2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d5ec406f0543bd6cdfd563b08015fdec8c4d5712"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31658.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31658"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "net: altera-tse: fix skb leak on DMA mapping error in tse_start_xmit()"
}