Information disclosure in Linux

CVE-2021-47403

In the Linux kernel, the following vulnerability has been resolved: ipack: ipoctal: fix module reference leak A reference to the carrier module was taken on every open but was only released once when the final reference to the tty struct was dropped. Fix this by taking the module reference and initialising the tty driver data when installing the tty.

Vulnerability class: Information Disclosure

EPSS: 0.002 (16.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-47403?
CVE-2021-47403 is a high-severity vulnerability in Linux, classified under Information Disclosure. CVSS score: 7.1/10. Published 2024-05-21.
How severe is CVE-2021-47403?
High severity. CVSS v3 base score is 7.1 out of 10.