{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "29c8d9eba550c6d73d17cc1618a9f5f2a7345aa1"
            },
            {
              "fixed": "269967d7693304e1f06ed2dff4ebbbeeb397cda4"
            },
            {
              "fixed": "1df5711121cdc11e76b889408fdbe459feba1d39"
            },
            {
              "fixed": "3a231c34c5bc3d3cfc850b877758ec9fdaa8a483"
            },
            {
              "fixed": "ecc36a82ecfcfdf3c6606d209f22ec5543c410e0"
            },
            {
              "fixed": "45d25e3ec17900bf5a9d6876ff16ceee31c4c0e0"
            },
            {
              "fixed": "0c63333ff97bd1275294fd12840a0efe9d7a4c59"
            },
            {
              "fixed": "935ee27d0904aa944cbcc979094c20e5ef62eead"
            },
            {
              "fixed": "e38e86995df27f1f854063dab1f0c6a513db3faf"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.10.0"
            },
            {
              "fixed": "5.10.258"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.209"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.175"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.140"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.88"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.30"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46189.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path\n\nSashiko points out that pvrdma_uar_free() is already called within\npvrdma_dealloc_ucontext(), so calling it before triggers a double free.",
  "id": "CVE-2026-46189",
  "modified": "2026-07-09T03:52:20.107768484Z",
  "published": "2026-05-28T09:36:43.205Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0c63333ff97bd1275294fd12840a0efe9d7a4c59"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1df5711121cdc11e76b889408fdbe459feba1d39"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/269967d7693304e1f06ed2dff4ebbbeeb397cda4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3a231c34c5bc3d3cfc850b877758ec9fdaa8a483"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/45d25e3ec17900bf5a9d6876ff16ceee31c4c0e0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/935ee27d0904aa944cbcc979094c20e5ef62eead"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e38e86995df27f1f854063dab1f0c6a513db3faf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ecc36a82ecfcfdf3c6606d209f22ec5543c410e0"
    },
    {
      "type": "WEB",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46189.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:30848"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:33685"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:33743"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:35904"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:36049"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:36073"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/security/cve/CVE-2026-46189"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46189.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46189"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482588"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path"
}