IT

Tracker / CVE-2023-53297

CVE-2023-53297

High 8.8

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp conn->chan_lock isn't acquired before l2cap_get_chan_by_scid, if l2cap_get_chan_by_scid returns NULL, then 'bad unlock balance' is triggered.

Affected products and versions

linux linux_kernel · … → 4.14.316
linux linux_kernel · 4.15 → 4.19.284
linux linux_kernel · 4.20 → 5.4.244
linux linux_kernel · 5.11 → 5.15.113
linux linux_kernel · 5.16 → 6.1.30
linux linux_kernel · 5.5 → 5.10.181
linux linux_kernel · 6.2 → 6.3.4

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References