CVE-2026-45834
Medium
Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_change_cb() Add the same NULL guard already present in l2cap_sock_resume_cb() and l2cap_sock_ready_cb().
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedMay 26, 2026
First seenMay 26, 2026
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- linux linux_kernel5.10.258, 5.15.209, 6.1.175, 6.6.140, 6.12.88, 6.18.30, 7.0.7 or later
Patches
- git.kernel.org/stable/c/0c17c8832562b2aac288e89cefd0f46074f54bcb
- git.kernel.org/stable/c/1810e42ff6716f320c7269d5850eca48b07b7427
- git.kernel.org/stable/c/1b1c0da227bf63479bac9982fc8d12df9aaea0fb
- git.kernel.org/stable/c/2ff1a41a912de8517b4482e946dd951b7d80edbf
- git.kernel.org/stable/c/5105f3e6b2df619c635b5f6a49fac131a36c7952
- git.kernel.org/stable/c/85426e97dc72f2088ba6d27e74cd58c3fbd43e31
- git.kernel.org/stable/c/a2dcf1a61d056aef15b63c6eae9441344d624389
- git.kernel.org/stable/c/c88c185ae0a1067823661b220aeea613df2c127b
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 3.1 ≤ v < 5.10.258, 5.11 ≤ v < 5.15.209, 5.16 ≤ v < 6.1.175, 6.2 ≤ v < 6.6.140, 6.7 ≤ v < 6.12.88, 6.13 ≤ v < 6.18.30, 6.19 ≤ v < 7.0.7, 7.1 | 5.10.258, 5.15.209, 6.1.175, 6.6.140, 6.12.88, 6.18.30, 7.0.7 |
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