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Azure kernel 6.6.157.1-1 may leak Bluetooth socket
published 29 days ago
Summary
The Linux kernel version used in Azure can leave a Bluetooth connection open when an error occurs, causing the system to waste memory and eventually run out of resources. This can affect system stability and performance. Apply the latest kernel update that includes the fix to prevent the leak.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Azure Linux:3 | azure | kernel | <= 6.6.157.1-1 |
Original advisory text
CVE-2026-98293 affecting package kernel 6.6.157.1-1
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: ISO: Fix parent socket leak in iso_conn_ready()
iso_get_sock() returns the parent socket with a reference held, which is
dropped by sock_put() once the child socket has been set up. The error
path taken when iso_sock_alloc() fails only calls release_sock() and
returns, leaking the reference and thus the parent socket itself.
Drop the reference on that path as well.
Bluetooth: ISO: Fix parent socket leak in iso_conn_ready()
iso_get_sock() returns the parent socket with a reference held, which is
dropped by sock_put() once the child socket has been set up. The error
path taken when iso_sock_alloc() fails only calls release_sock() and
returns, leaking the reference and thus the parent socket itself.
Drop the reference on that path as well.
References
Timeline
Published6 Oct 2026
Updated7 Oct 2026
First seen7 Oct 2026
Sources
AZL-106401 · OSV
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