CVE-2026-43148
powerpc/smp: Add check for kcalloc() failure in parse_thread_groups()
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().
INFO
Published Date :
May 6, 2026, 12:16 p.m.
Last Modified :
May 13, 2026, 8:15 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Verify kcalloc() return value.
- Handle potential NULL pointer dereferences.
- Apply kernel updates with the fix.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-43148.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-43148 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-43148
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-43148 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-43148 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
May. 13, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-476 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.128 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.75 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.16 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 6.19.6 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.202 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.165 Added Reference Type kernel.org: https://git.kernel.org/stable/c/1de31dba19c3cd0c1caf388a286b46df638f0b91 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/33c1c6d8a28a2761ac74b0380b2563cf546c2a3a Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/8b221db0b7d24675e465e98d9326d298025a4e8d Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/9b85c8f624b0f8cf9b932f5a65dacd56a1f47a72 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/9d0ca11258e7b452653d04310addfec1753de1a2 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/b265e53d9adfbb5751713185843f7188aa9dd066 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/ca46d2092f307385a7acfb42632056570d6dbbbc Types: Patch -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 06, 2026
Action Type Old Value New Value Added 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(). Added Reference https://git.kernel.org/stable/c/1de31dba19c3cd0c1caf388a286b46df638f0b91 Added Reference https://git.kernel.org/stable/c/33c1c6d8a28a2761ac74b0380b2563cf546c2a3a Added Reference https://git.kernel.org/stable/c/8b221db0b7d24675e465e98d9326d298025a4e8d Added Reference https://git.kernel.org/stable/c/9b85c8f624b0f8cf9b932f5a65dacd56a1f47a72 Added Reference https://git.kernel.org/stable/c/9d0ca11258e7b452653d04310addfec1753de1a2 Added Reference https://git.kernel.org/stable/c/b265e53d9adfbb5751713185843f7188aa9dd066 Added Reference https://git.kernel.org/stable/c/ca46d2092f307385a7acfb42632056570d6dbbbc