CVE-2026-80598
ntfs3: fix out-of-bounds read in decompress_lznt
CVSS Score
7.8
EPSS Score
0.1%
EPSS Percentile
3th
In the Linux kernel, the following vulnerability has been resolved: ntfs3: fix out-of-bounds read in decompress_lznt decompress_lznt() does not validate array index bounds before accessing the decompression table. A corrupted NTFS3 image with invalid compressed data can trigger an out-of-bounds read. Add index bounds checking to prevent the OOB access.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 28, 2026 |
| Last Updated | Aug 30, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Linux / Linux
522e010b58379fbe19b38fdef5016bca0c3cf405 < 1113fa5b01a47a1a4cdbb9c695197ca6215f02a8 522e010b58379fbe19b38fdef5016bca0c3cf405 < 61415ffa365d2eca6986914afd0d1412444aa1dd 522e010b58379fbe19b38fdef5016bca0c3cf405 < bd77afca2ae9b6d44d37902e3ad672ebb028b070 522e010b58379fbe19b38fdef5016bca0c3cf405 < c694f8ea2611e7413b3f04ee47e04a9b7b45817b 522e010b58379fbe19b38fdef5016bca0c3cf405 < ff05a98150ebb2b03919a9c05c576681e86abbb7 522e010b58379fbe19b38fdef5016bca0c3cf405 < a93980141253c932aa6ae5d4422d90e0162dc774 522e010b58379fbe19b38fdef5016bca0c3cf405 < 7160a57192fb16d7a6fa9b7f5c7ac341d2444a89
Linux / Linux
5.15
References
git.kernel.org: https://git.kernel.org/stable/c/1113fa5b01a47a1a4cdbb9c695197ca6215f02a8 git.kernel.org: https://git.kernel.org/stable/c/61415ffa365d2eca6986914afd0d1412444aa1dd git.kernel.org: https://git.kernel.org/stable/c/bd77afca2ae9b6d44d37902e3ad672ebb028b070 git.kernel.org: https://git.kernel.org/stable/c/c694f8ea2611e7413b3f04ee47e04a9b7b45817b git.kernel.org: https://git.kernel.org/stable/c/ff05a98150ebb2b03919a9c05c576681e86abbb7 git.kernel.org: https://git.kernel.org/stable/c/a93980141253c932aa6ae5d4422d90e0162dc774 git.kernel.org: https://git.kernel.org/stable/c/7160a57192fb16d7a6fa9b7f5c7ac341d2444a89