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CVE-2026-12235 Out-of-bounds write in Xtensa llext PLT relocation from malformed ELF (CWE-787)

🗓️ 12 Aug 2026 04:55:15Reported by zephyrType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

Xtensa llext PLT relocation writes OOB via unchecked RELA r_offset in supervisor context.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-12235
12 Aug 202604:55
attackerkb
cve
CVE
CVE-2026-12235
12 Aug 202604:55
cve
euvd
EUVD
EUVD-2026-57070
12 Aug 202604:55
euvd
nvd
NVD
CVE-2026-12235
12 Aug 202605:17
nvd
vulnrichment
Vulnrichment
CVE-2026-12235 Out-of-bounds write in Xtensa llext PLT relocation from malformed ELF (CWE-787)
12 Aug 202604:55
vulnrichment
[
  {
    "vendor": "zephyrproject",
    "product": "zephyr",
    "collectionURL": "https://github.com/zephyrproject-rtos/zephyr",
    "packageName": "zephyr",
    "defaultStatus": "unaffected",
    "programFiles": [
      "subsys/llext/llext_link.c"
    ],
    "versions": [
      {
        "version": "3.7.0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "4.4.2"
      }
    ]
  }
]

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