CVE-2026-31716
Description
A flaw was found in the Linux kernel's NTFS3 file system driver. A local attacker with control over a corrupted filesystem could exploit an out-of-bounds write vulnerability during journal replay. This flaw occurs because the rec->used value is not properly validated, leading to incorrect memory calculations. An attacker could potentially cause a denial of service or information disclosure by triggering an out-of-bounds memory write.
Understanding the Weakness (CWE)
Integrity
Technical Impact: Modify Memory; Execute Unauthorized Code or Commands
Write operations could cause memory corruption. In some cases, an adversary can modify control data such as return addresses in order to execute unexpected code.
Availability
Technical Impact: DoS: Crash, Exit, or Restart
Attempting to access out-of-range, invalid, or unauthorized memory could cause the product to crash.
Other
Technical Impact: Unexpected State
Subsequent write operations can produce undefined or unexpected results.
Frequently Asked Questions
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