{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "55ee5e67a59a1b6f388d7a1c7b24022145f47a3e"
            },
            {
              "fixed": "80f3605991461679c298ea2045c350ee3cf36de3"
            },
            {
              "fixed": "104d89cf5b01cb66ff975d91ed42f61b3904df53"
            },
            {
              "fixed": "3078d82e7fe9048a2b90a992e71af7cd7ef881fa"
            },
            {
              "fixed": "866a35735e56b9dc81cbc33899255134adf6d8b3"
            },
            {
              "fixed": "d06fea9b85f038690f55e72fe0c45e113715a85a"
            },
            {
              "fixed": "0e28ca1c3204b51068579defc904a0dfba5e5c57"
            },
            {
              "fixed": "754f8efe45f87e3a9c6871b645b2f9d46d1b407b"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.14.0"
            },
            {
              "fixed": "5.15.216"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.183"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.148"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.101"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.42"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68324.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/intel: Fix out-of-bounds memset in dmar_latency_disable()\n\ndmar_latency_disable() intends to zero out only the single\nlatency_statistic entry for the given type, but the memset size was\ncomputed as sizeof(*lstat) * DMAR_LATENCY_NUM, which clears the entire\narray starting from \u0026lstat[type].\n\nWhen type \u003e 0, this writes beyond the end of the allocated array,\ncorrupting adjacent memory.\n\nFix by using sizeof(*lstat) to clear only the target entry.",
  "id": "CVE-2026-68324",
  "modified": "2026-08-21T03:30:41.007825592Z",
  "published": "2026-08-10T12:03:00.073Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0e28ca1c3204b51068579defc904a0dfba5e5c57"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/104d89cf5b01cb66ff975d91ed42f61b3904df53"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3078d82e7fe9048a2b90a992e71af7cd7ef881fa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/754f8efe45f87e3a9c6871b645b2f9d46d1b407b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/80f3605991461679c298ea2045c350ee3cf36de3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/866a35735e56b9dc81cbc33899255134adf6d8b3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d06fea9b85f038690f55e72fe0c45e113715a85a"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68324.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-68324"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "iommu/intel: Fix out-of-bounds memset in dmar_latency_disable()"
}