CVE-2026-98136 Linux kernel NTFS - Out of Bounds Read

Linux kernel ntfs contains a buffer over-read vulnerability caused by improper bounds checking in ntfs_attr_find_in_attrdef() when walking the $AttrDef table, letting attackers trigger out-of-bounds reads, exploit requires crafted NTFS volume with small $AttrDef data.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.11% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Out of Bounds Read
Impact
Information Disclosure, Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Published
25 September 2026
Updated
15 October 2026
Weakness
CWE-125

Vendor fix

Update to the latest Linux kernel version containing the fix for this vulnerability.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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