CVE-2021-47478: Linux Kernel

Critical severity, CVSS 9.1. EPSS: 0.7% chance of exploitation in the next 30 days.

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 isofs_read_inode() can read data beyond the end of buffer. Sanity-check the directory entry length before using it.

Affected products

• Linux Linux Kernel: before 4.4.292 (fixed in 4.4.292); from 4.5, before 4.9.290 (fixed in 4.9.290); from 4.10, before 4.14.255 (fixed in 4.14.255); from 4.15, before 4.19.217 (fixed in 4.19.217); from 4.20, before 5.4.159 (fixed in 5.4.159); from 5.5, before 5.10.79 (fixed in 5.10.79); …

Published 2024-05-22. Last modified 2026-08-04.