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CVE-2026-90216 ubi: Fix rollback for explicit UBI device numbers

🗓️ 17 Sep 2026 16:07:28Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 44 Views

ubi in Linux kernel misses attached devices during rollback when explicit ubi_num is set.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/mtd/ubi/build.c"
    ],
    "versions": [
      {
        "version": "83ff59a066637a6c28844bbf43009459408240f4",
        "lessThan": "83c978921688af40dcab6db74882d1ff9b0b765c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "83ff59a066637a6c28844bbf43009459408240f4",
        "lessThan": "6b92e66ec6dd8019e8efb2a568ef7c967c5a18c5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "83ff59a066637a6c28844bbf43009459408240f4",
        "lessThan": "4417ab6ecad01cf2d01045ef8104c95a66b0e893",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "83ff59a066637a6c28844bbf43009459408240f4",
        "lessThan": "552e565ed8846e7db143e4a6bdf3f5677453c686",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "83ff59a066637a6c28844bbf43009459408240f4",
        "lessThan": "9754f049d5f1945d4c691d1f52824eb8daf8f9be",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "83ff59a066637a6c28844bbf43009459408240f4",
        "lessThan": "e3f7e58189bc222971ddc860f1716f37e51ba996",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "83ff59a066637a6c28844bbf43009459408240f4",
        "lessThan": "87b3da4acb860605643ebee312178f13b20744cf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "83ff59a066637a6c28844bbf43009459408240f4",
        "lessThan": "5b0a6b554e12a97f9771a9a9f4ea1f5457373c73",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/mtd/ubi/build.c"
    ],
    "versions": [
      {
        "version": "3.11",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.11",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.270",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.221",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.188",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.157",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.110",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.52",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.6",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Sep 2026 16:07Current
EPSS0.0022
44