SEPTEMBER 8, 2026
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Case File

CVE-2026-63897

UNKNOWN · CVSS N/A EPSS 0.21%

Source: NVD + CISA KEV + EPSS · Published 2026-07-19 · Last synced 2026-08-18

CyberRota Analysis

AI-Generated

The vulnerability in the Linux kernel affects the mct_u232 USB serial driver, where a missing sanity check on interrupt-in transfer sizes could lead to the exposure of stale or uninitialized memory data to user space. This could potentially allow an attacker to read sensitive information from memory, posing a risk to system confidentiality. Organizations utilizing affected Linux systems, particularly those relying on USB serial communications, should prioritize applying the patch to mitigate this risk.

CVE
CVE-2026-63897
Severity
UNKNOWN
CVSS
N/A
EPSS
0.21%
Linux

Original NVD Description

In the Linux kernel, the following vulnerability has been resolved: USB: serial: mct_u232: fix missing interrupt-in transfer sanity check Add the missing sanity check on the size of interrupt-in transfers to avoid parsing stale or uninitialised slab data (and leaking it to user space).