CVE-2025-71115
Medium
Description
In the Linux kernel, the following vulnerability has been resolved: um: init cpu_tasks[] earlier This is currently done in uml_finishsetup(), but e.g. with KCOV enabled we'll crash because some init code can call into e.g. memparse(), which has coverage annotations, and then the checks in check_kcov_mode() crash because current is NULL. Simply initialize the cpu_tasks[] array statically, which fixes the crash. For the later SMP work, it seems to have not really caused any problems yet, but initialize all of the entries anyway.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedJan 14, 2026
First seenJan 14, 2026
How to fix
Update
- linux linux_kernel6.18.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.13.1 ≤ v < 6.18.3, 6.13, 6.19 | 6.18.3 |
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