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CVE-2026-13215 Zephyr ext2 mount: unvalidated superblock block size causes out-of-bounds write from a crafted filesystem image

🗓️ 25 Aug 2026 04:37:21Reported by zephyrType 
cvelist
 cvelist
🔗 www.cve.org👁 11 Views

Zephyr ext2 unvalidated superblock block size causes kernel OOB write from crafted image.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-13215
25 Aug 202604:37
cve
euvd
EUVD
EUVD-2026-65292
25 Aug 202604:37
euvd
nvd
NVD
CVE-2026-13215
25 Aug 202605:17
nvd
ptsecurity
Positive Technologies
PT-2026-81172
25 Aug 202600:00
ptsecurity
[
  {
    "vendor": "zephyrproject",
    "product": "zephyr",
    "collectionURL": "https://github.com/zephyrproject-rtos/zephyr",
    "packageName": "zephyr",
    "defaultStatus": "unaffected",
    "programFiles": [
      "subsys/fs/ext2/ext2_impl.c"
    ],
    "versions": [
      {
        "version": "3.5.0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "4.4.2"
      }
    ]
  }
]

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