CVE-2026-89616Medium· 5.5▾ SunlitA flaw was found in the Linux kernel's NTFS3 filesystem driver. When decompressing LZNT data, the `ni_read_frame()` function may not fully zero out memory after a partial decompression. This can lead to the disclosure of previously used ke…
▾ 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%
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none → medium
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none → medium
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7.5 → 5.5
high → medium
5.5 → 7.5
medium → high
0.2% → 0.4%
Last analysed / modified upstream
7.5 → 5.5
high → medium
A flaw was found in the Linux kernel's NTFS3 filesystem driver. When decompressing LZNT data, the ni_read_frame() function may not fully zero out memory after a partial decompression. This can lead to the disclosure of previously used kernel memory pages to a local attacker who reads a specially crafted compressed file. Successful exploitation could allow an attacker to obtain sensitive kernel pointers, potentially bypassing Kernel Address Space Layout Randomization (KASLR) and aiding further attacks.
kernel: fs/ntfs3: fix info-leak on partial LZNT decompress in ni_read_frame() — 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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