CVE-2026-89615Medium· 5.5▾ SunlitA flaw was found in the Linux kernel's NTFS3 file system driver. A local attacker could exploit this by providing a specially crafted log record. This crafted record causes a buffer overflow in the page_lcns[] array, leading to memory corr…
▾ 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%
— → 6.7
none → medium
— → 6.7
none → medium
— → 8.4
none → high
8.4 → 6.7
high → medium
6.7 → 8.4
medium → high
Last analysed / modified upstream
8.4 → 5.5
high → medium
A flaw was found in the Linux kernel's NTFS3 file system driver. A local attacker could exploit this by providing a specially crafted log record. This crafted record causes a buffer overflow in the page_lcns[] array, leading to memory corruption within an otherwise valid entry.
kernel: fs/ntfs3: bound page_lcns[] index by the log record — 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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