CVE-2021-47547: Linux Kernel

Medium severity, CVSS 4.4. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: net: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound In line 5001, if all id in the array 'lp->phy[8]' is not 0, when the 'for' end, the 'k' is 8. At this time, the array 'lp->phy[8]' may be out of bound.

Affected products

• Linux Linux Kernel: before 4.4.294 (fixed in 4.4.294); from 4.5, before 4.9.292 (fixed in 4.9.292); from 4.10, before 4.14.257 (fixed in 4.14.257); from 4.15, before 4.19.220 (fixed in 4.19.220); from 4.20, before 5.4.164 (fixed in 5.4.164); from 5.5, before 5.10.84 (fixed in 5.10.84); …

Published 2024-05-24. Last modified 2026-06-17.