{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2"
            },
            {
              "fixed": "6f1a08ef02825b440126c406ea63ef6128888e15"
            },
            {
              "fixed": "4335278d0e75395cbfaf71c84b521df56d69e936"
            },
            {
              "fixed": "399aa38af1d78001612e3130b2056ea392a355ca"
            },
            {
              "fixed": "1f71f565e3585da1098ff19ca3c24687dab59185"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.12.113"
            },
            {
              "fixed": "6.18.56"
            },
            {
              "fixed": "7.2.10"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.12.113"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.56"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98755.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ntty: vcc: zero-initialize control packet in vcc_send_ctl()\n\nThe stack-allocated struct vio_vcc pkt was partially initialized,\nleaving the tag.stype_env field uninitialized before being sent via\nldc_write(), potentially leaking kernel stack data to the LDC peer.",
  "id": "CVE-2026-98755",
  "modified": "2026-10-19T02:30:30.303026276Z",
  "published": "2026-10-18T15:47:41.106Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1f71f565e3585da1098ff19ca3c24687dab59185"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/399aa38af1d78001612e3130b2056ea392a355ca"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4335278d0e75395cbfaf71c84b521df56d69e936"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6f1a08ef02825b440126c406ea63ef6128888e15"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98755.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98755"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "tty: vcc: zero-initialize control packet in vcc_send_ctl()"
}