CVE-2023-54306

Linux Kernel 5.4.0-6.2.4 DoS via TLS TX Lock Hang

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: net: tls: avoid hanging tasks on the tx_lock syzbot sent a hung task report and Eric explains that adversarial receiver may keep RWIN at 0 for a long time, so we are not guaranteed to make forward progress. Thread which took tx_lock and went to sleep may not release tx_lock for hours. Use interruptible sleep where possible and reschedule the work if it can't take the lock. Testing: existing selftest passes

Scores

EPSS 0.0019
EPSS Percentile 8.6%

Details

Status published
Products (21)
linux/Kernel 5.11.0 - 5.15.100linux
linux/Kernel 5.16.0 - 6.1.18linux
linux/Kernel 5.4.0 - 5.4.235linux
linux/Kernel 5.5.0 - 5.10.173linux
linux/Kernel 6.2.0 - 6.2.5linux
Linux/Linux < 5.4
Linux/Linux 5.10.173 - 5.10.*
Linux/Linux 5.15.100 - 5.15.*
Linux/Linux 5.3.11 - 5.4
Linux/Linux 5.4
... and 11 more
Published Dec 30, 2025
Tracked Since Feb 18, 2026