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Vulnerabilities CVE-2023-54306

CVE-2023-54306

High
Open
TLP:CLEAR

net: tls: avoid hanging tasks on the tx_lock

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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

Details

CVSS Score
7.5
EPSS Score
0.52%

41.7th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Confidence
90%
Published
Dec 30, 2025
Last Modified
Aug 4, 2026
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