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CVE-2026-68401 firmware: arm_ffa: Fix out-of-bound writes in ffa_setup_and_transmit()

🗓️ 10 Aug 2026 12:04:21Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 31 Views

Firmware arm_ffa fixes out-of-bounds writes in ffa_setup_and_transmit via version-based zeroing and proper sizing.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/firmware/arm_ffa/driver.c"
    ],
    "versions": [
      {
        "version": "111a833dc5cbef3d05b2a796a7e23cb7f6ff2192",
        "lessThan": "cf5708c9d78c98214c62b1e5d049cd527a543b8e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "111a833dc5cbef3d05b2a796a7e23cb7f6ff2192",
        "lessThan": "27abdaf0c5c89b06694e4c3d8318e8d6a60c1d1b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "111a833dc5cbef3d05b2a796a7e23cb7f6ff2192",
        "lessThan": "3383ffb7ef937317361713ffcc21921a7848511a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "28ebfb74fbf513e0c7cd2674d8c2400ee0220d18",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "22157f74458106c5900dbd938eb44623c22d97a0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b77ec23b6df41c48e88735230e11caec56163630",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.15.114",
        "lessThan": "5.16",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.1.31",
        "lessThan": "6.2",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.3.5",
        "lessThan": "6.4",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/firmware/arm_ffa/driver.c"
    ],
    "versions": [
      {
        "version": "6.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.4",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.42",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.6",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Aug 2026 05:04Current
CVSS 3.17.8
EPSS0.00136
31