CVE-2026-89617Medium· 5.5▾ SunlitA flaw was found in the Linux kernel's NTFS3 filesystem driver. An attacker with local access could craft a malicious NTFS log file. During log replay, insufficient validation of the `lcns_follow` field in a `DIR_PAGE_ENTRY` could lead to …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0 · 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%
— → 6.4
none → medium
— → 6.4
none → medium
— → 7.8
none → high
7.8 → 6.4
high → medium
6.4 → 7.8
medium → high
Last analysed / modified upstream
7.8 → 5.5
high → medium
A flaw was found in the Linux kernel's NTFS3 filesystem driver. An attacker with local access could craft a malicious NTFS log file. During log replay, insufficient validation of the lcns_follow field in a DIR_PAGE_ENTRY could lead to an out-of-bounds write. This memory corruption could result in a system crash (denial of service) or potentially allow for further exploitation.
kernel: fs/ntfs3: validate dirty page table on log replay — rated Moderate by Red Hat. Released 2026-09-11, updated 2026-09-18.
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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