{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "0ca100ff4df64f5d0f6c1dd5080c3e096786bea6"
            },
            {
              "fixed": "d5f76f812d2c0ea6dd651b0586be49e85ecca085"
            },
            {
              "fixed": "01f51318feb626deee1d0c8a190198cd7857d599"
            },
            {
              "fixed": "b555912b9b21075e8298015f888ffe3ff60b1a97"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.16.0"
            },
            {
              "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-2026-31643.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix key parsing memleak\n\nIn rxrpc_preparse_xdr_yfs_rxgk(), the memory attached to token-\u003erxgk can be\nleaked in a few error paths after it's allocated.\n\nFix this by freeing it in the \"reject_token:\" case.",
  "id": "CVE-2026-31643",
  "modified": "2026-07-08T05:38:21.177439336Z",
  "published": "2026-04-24T14:44:57.540Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/01f51318feb626deee1d0c8a190198cd7857d599"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b555912b9b21075e8298015f888ffe3ff60b1a97"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d5f76f812d2c0ea6dd651b0586be49e85ecca085"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31643.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31643"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "rxrpc: Fix key parsing memleak"
}