CVE-2026-89613Medium· 5.5▾ SunlitA flaw was found in the Linux kernel's NTFS filesystem driver. This vulnerability occurs when the driver processes an attribute with empty mapping pairs that have inconsistent highest Virtual Cluster Number (VCN) and size. A local attacker…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
— → 4.4
0.2% → 0.6%
— → 4.4
none → medium
— → 9.8
none → critical
9.8 → 4.4
critical → medium
4.4 → 9.8
medium → critical
9.8 → 4.4
critical → medium
Last analysed / modified upstream
4.4 → 5.5
A flaw was found in the Linux kernel's NTFS filesystem driver. This vulnerability occurs when the driver processes an attribute with empty mapping pairs that have inconsistent highest Virtual Cluster Number (VCN) and size. A local attacker could potentially craft a malicious NTFS filesystem that, when mounted, could lead to a denial of service by causing the system to become unresponsive or crash.
kernel: ntfs: reject invalid empty mapping pairs — rated Moderate by Red Hat. Released 2026-09-11, updated 2026-09-15.
Not affected:
Refer to the advisory for fix availability.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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