CVE-2026-43148
Published: May 7, 2026Last modified: May 7, 2026
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().
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.167-r0) |
| 25 LTS | linux-lts | Fixed (6.12.80-r0) | |
| Stream | linux-lts | Fixed (6.12.76-r0) |
References
- https://git.kernel.org/stable/c/1de31dba19c3cd0c1caf388a286b46df638f0b91
- https://git.kernel.org/stable/c/33c1c6d8a28a2761ac74b0380b2563cf546c2a3a
- https://git.kernel.org/stable/c/8b221db0b7d24675e465e98d9326d298025a4e8d
- https://git.kernel.org/stable/c/9b85c8f624b0f8cf9b932f5a65dacd56a1f47a72
- https://git.kernel.org/stable/c/9d0ca11258e7b452653d04310addfec1753de1a2
- https://git.kernel.org/stable/c/b265e53d9adfbb5751713185843f7188aa9dd066
- https://git.kernel.org/stable/c/ca46d2092f307385a7acfb42632056570d6dbbbc