CVE-2026-22997
BaseFortify
Publication date: 2026-01-25
Last updated on: 2026-04-27
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | From 6.13 (inc) to 6.18.7 (exc) |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | From 5.11 (inc) to 5.15.199 (exc) |
| linux | linux_kernel | From 5.16 (inc) to 6.1.162 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.6.122 (exc) |
| linux | linux_kernel | From 6.7 (inc) to 6.12.67 (exc) |
| linux | linux_kernel | From 5.4 (inc) to 5.10.249 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in the Linux kernel's CAN J1939 protocol stack involves improper session deactivation. Specifically, the function j1939_session_deactivate_activate_next() is not called when a timer is cancelled, leading to a reference count leak for j1939_session. This causes the system to hang while waiting for a network device (like vcan0) to become free, due to the usage count not decrementing properly.
How can this vulnerability impact me? :
The vulnerability can cause resource leaks in the Linux kernel's network stack, leading to network devices not being properly released. This can result in system instability or denial of service conditions where network interfaces remain busy and unavailable.