Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net/mana: Null service_wq on setup error to prevent double destroy In mana_gd_setup() error path, set gc->service_wq to NULL after destroy_workqueue() to match the cleanup in mana_gd_cleanup(). This prevents a use-after-free if the workqueue pointer is checked after a failed setup.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.18.16, < 6.18.19 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/59489ce60d7412ed82fb1d8002faa3102dcd4916Patch
- https://git.kernel.org/stable/c/6c92392602b451e3869f15ab685f8f650e942b13Patch
- https://git.kernel.org/stable/c/87c2302813abc55c46485711a678e3c312b00666Patch
FAQ
What is CVE-2026-43440?
CVE-2026-43440 is a vulnerability with a CVSS score of 7.8 (HIGH). In the Linux kernel, the following vulnerability has been resolved: net/mana: Null service_wq on setup error to prevent double destroy In mana_gd_setup() error path, set gc->service_wq to NULL after...
How severe is CVE-2026-43440?
CVE-2026-43440 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-43440?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.