CVE-2021-47538: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer() Need to call rxrpc_put_local() for peer candidate before kfree() as it holds a ref to rxrpc_local. [DH: v2: Changed to abstract the peer freeing code out into a function]

Affected products

• Linux Linux Kernel: from 4.19.82, before 4.19.220 (fixed in 4.19.220); from 5.3.9, before 5.4 (fixed in 5.4); from 5.4.1, before 5.4.164 (fixed in 5.4.164); from 5.5, before 5.10.84 (fixed in 5.10.84); from 5.11, before 5.15.7 (fixed in 5.15.7); version 5.4 only; …

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