{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "e6e8bf418850d7958311a96ccfb594f2bcc8313e"
            },
            {
              "fixed": "47e351dfef60ab0e3285133556e1a9c7f646a969"
            },
            {
              "fixed": "e027999049c493fb728ead5a90db76942181a935"
            },
            {
              "fixed": "226c3b10aab23f73b03c47e7773107de56ba3a4e"
            },
            {
              "fixed": "6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.11.0"
            },
            {
              "fixed": "6.12.75"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.14"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45893.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\napparmor: Fix \u0026 Optimize table creation from possibly unaligned memory\n\nSource blob may come from userspace and might be unaligned.\nTry to optize the copying process by avoiding unaligned memory accesses.\n\n- Added Fixes tag\n- Added \"Fix \u0026\" to description as this doesn't just optimize but fixes\n        a potential unaligned memory access\n[jj: remove duplicate word \"convert\" in comment trigger checkpatch warning]",
  "id": "CVE-2026-45893",
  "modified": "2026-07-08T05:37:29.503006331Z",
  "published": "2026-05-27T12:17:04.135Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/226c3b10aab23f73b03c47e7773107de56ba3a4e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/47e351dfef60ab0e3285133556e1a9c7f646a969"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e027999049c493fb728ead5a90db76942181a935"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45893.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45893"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "apparmor: Fix \u0026 Optimize table creation from possibly unaligned memory"
}