CVE-2021-47215: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.5% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: kTLS, Fix crash in RX resync flow For the TLS RX resync flow, we maintain a list of TLS contexts that require some attention, to communicate their resync information to the HW. Here we fix list corruptions, by protecting the entries against movements coming from resync_handle_seq_match(), until their resync handling in napi is fully completed.

Affected products

• Linux Linux Kernel: from 5.13, before 5.15.5 (fixed in 5.15.5); version 5.16 only

Published 2024-04-10. Last modified 2026-08-04.