CVE-2026-43148
Medium
Description
In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: Add check for kcalloc() failure in parse_thread_groups() As kcalloc() may fail, check its return value to avoid a NULL pointer dereference when passing it to of_property_read_u32_array().
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedMay 6, 2026
First seenMay 6, 2026
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- linux linux_kernel5.15.202, 6.1.165, 6.6.128, 6.12.75, 6.18.16, 6.19.6 or later
Patches
- git.kernel.org/stable/c/1de31dba19c3cd0c1caf388a286b46df638f0b91
- git.kernel.org/stable/c/33c1c6d8a28a2761ac74b0380b2563cf546c2a3a
- git.kernel.org/stable/c/8b221db0b7d24675e465e98d9326d298025a4e8d
- git.kernel.org/stable/c/9b85c8f624b0f8cf9b932f5a65dacd56a1f47a72
- git.kernel.org/stable/c/9d0ca11258e7b452653d04310addfec1753de1a2
- git.kernel.org/stable/c/b265e53d9adfbb5751713185843f7188aa9dd066
- git.kernel.org/stable/c/ca46d2092f307385a7acfb42632056570d6dbbbc
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.11 ≤ v < 5.15.202, 5.16 ≤ v < 6.1.165, 6.2 ≤ v < 6.6.128, 6.7 ≤ v < 6.12.75, 6.13 ≤ v < 6.18.16, 6.19 ≤ v < 6.19.6 | 5.15.202, 6.1.165, 6.6.128, 6.12.75, 6.18.16, 6.19.6 |
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