Overview
About vulnerability
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp}
Similar to commit d0be8347c623 (“Bluetooth: L2CAP: Fix use-after-free caused by l2cap_chan_put”), just use l2cap_chan_hold_unless_zero to prevent referencing a channel that is about to be destroyed.
Details
- Affected product:
- CentOS 7 ELS , CentOS 8.4 ELS , CentOS 8.5 ELS , CentOS Stream 8 ELS , Oracle Linux 7 ELS , RHEL 7 ELS
- Affected packages:
- kernel @ 4.18.0 (+5 more)
Fixes
KernelCare state
Live-patch status from KernelCare for each operating system.
| Operating system | Status | Covered kernels |
|---|---|---|
| CentOS 7 ELS | Planned | — |
| Ubuntu 20.04 | Planned | — |
| Ubuntu 22.04 | Planned | — |