CVE-2026-98831Low· 2.3▾ SunlitA flaw was found in the Linux kernel's Device Tree overlay subsystem. This flaw allows a local user to cause a Denial of Service (DoS) through memory exhaustion. When an overlay changeset fails during target or symbol lookup, the kernel fa…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 12.6 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 20.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
Last analysed / modified upstream
— → 2.3
none → low
A flaw was found in the Linux kernel's Device Tree overlay subsystem. This flaw allows a local user to cause a Denial of Service (DoS) through memory exhaustion. When an overlay changeset fails during target or symbol lookup, the kernel fails to release previously acquired fragment references during error cleanup. By repeatedly triggering this initialization failure, an attacker can leak kernel memory over time.
kernel: of/overlay: don't leak fragment references when changeset init fails — rated Low by Red Hat. Released 2026-10-18, updated 2026-10-23.
Affected:
No fix planned:
Not affected:
Fix deferred
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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