CVE-2021-47478: isofs: Fix out of bound access for corrupted isofs image

Published May 22, 2024
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

isofs: Fix out of bound access for corrupted isofs image

When isofs image is suitably corrupted isofsreadinode() can read data beyond the end of buffer. Sanity-check the directory entry length before using it.

Affected Software

9 affected components
Linux Kernel
Linux Linux kernel<4.4.292
Linux Linux kernel>=4.5<4.9.290
Linux Linux kernel>=4.10<4.14.255
Linux Linux kernel>=4.15<4.19.217
Linux Linux kernel>=4.20<5.4.159
Linux Linux kernel>=5.5<5.10.79
Linux Linux kernel>=5.11<5.14.18
Linux Linux kernel>=5.15<5.15.2

Event History

May 22, 2024
CVE Published
via MITRE·08:19 AM
Data Sourced
via MITRE·08:19 AM
DescriptionSeverity
Data Sourced
via NVD·09:15 AM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2021-47478?

CVE-2021-47478 has been rated as moderate severity due to potential out-of-bounds access in the Linux kernel.

2

How do I fix CVE-2021-47478?

To fix CVE-2021-47478, upgrade your Linux kernel to the latest version that contains the patched code.

3

What types of systems are affected by CVE-2021-47478?

CVE-2021-47478 affects systems running the Red Hat Linux Kernel and potentially other distributions using the same kernel versions.

4

What are the risks associated with CVE-2021-47478?

Exploitation of CVE-2021-47478 can lead to unauthorized access and instability in the affected system due to memory corruption.

5

When was CVE-2021-47478 disclosed?

CVE-2021-47478 was publicly disclosed as part of a kernel update in 2021.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203