FKIE_CVE-2026-45893

Vulnerability from fkie_nvd - Published: 2026-05-27 14:17 - Updated: 2026-06-17 10:52
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix & Optimize table creation from possibly unaligned memory Source blob may come from userspace and might be unaligned. Try to optize the copying process by avoiding unaligned memory accesses. - Added Fixes tag - Added "Fix &" to description as this doesn't just optimize but fixes a potential unaligned memory access [jj: remove duplicate word "convert" in comment trigger checkpatch warning]
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/226c3b10aab23f73b03c47e7773107de56ba3a4e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/47e351dfef60ab0e3285133556e1a9c7f646a969
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e027999049c493fb728ead5a90db76942181a935
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "security/apparmor/include/match.h",
            "security/apparmor/match.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "47e351dfef60ab0e3285133556e1a9c7f646a969",
              "status": "affected",
              "version": "e6e8bf418850d7958311a96ccfb594f2bcc8313e",
              "versionType": "git"
            },
            {
              "lessThan": "e027999049c493fb728ead5a90db76942181a935",
              "status": "affected",
              "version": "e6e8bf418850d7958311a96ccfb594f2bcc8313e",
              "versionType": "git"
            },
            {
              "lessThan": "226c3b10aab23f73b03c47e7773107de56ba3a4e",
              "status": "affected",
              "version": "e6e8bf418850d7958311a96ccfb594f2bcc8313e",
              "versionType": "git"
            },
            {
              "lessThan": "6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a",
              "status": "affected",
              "version": "e6e8bf418850d7958311a96ccfb594f2bcc8313e",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "security/apparmor/include/match.h",
            "security/apparmor/match.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.11"
            },
            {
              "lessThan": "4.11",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.75",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.14",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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\u0027t 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",
  "lastModified": "2026-06-17T10:52:41.110",
  "metrics": {},
  "published": "2026-05-27T14:17:03.487",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/226c3b10aab23f73b03c47e7773107de56ba3a4e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/47e351dfef60ab0e3285133556e1a9c7f646a969"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/e027999049c493fb728ead5a90db76942181a935"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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