CVE-2026-43148

powerpc/smp: Add check for kcalloc() failure in parse_thread_groups()

State: Published
Severity: Not scored
Published: May 6, 2026
Updated: May 11, 2026
Reserved: May 1, 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().

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 to before 1de31dba19c3cd0c1caf388a286b46df638f0b91Affected 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 to before b265e53d9adfbb5751713185843f7188aa9dd066Affected 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 to before 9d0ca11258e7b452653d04310addfec1753de1a2Affected 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 to before ca46d2092f307385a7acfb42632056570d6dbbbcAffected 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 to before 9b85c8f624b0f8cf9b932f5a65dacd56a1f47a72Affected 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 to before 8b221db0b7d24675e465e98d9326d298025a4e8dAffected 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 to before 33c1c6d8a28a2761ac74b0380b2563cf546c2a3aAffected
LinuxLinux	5.11Affected before 5.11Not affected 5.15.202 through 5.15.Not affected 6.1.165 through 6.1.Not affected 6.6.128 through 6.6.Not affected 6.12.75 through 6.12.Not affected 6.18.16 through 6.18.Not affected 6.19.6 through 6.19.Not affected 7.0 and laterNot affected

Product

Versions

LinuxLinux

790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 to before 1de31dba19c3cd0c1caf388a286b46df638f0b91Affected
790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 to before b265e53d9adfbb5751713185843f7188aa9dd066Affected
790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 to before 9d0ca11258e7b452653d04310addfec1753de1a2Affected
790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 to before ca46d2092f307385a7acfb42632056570d6dbbbcAffected
790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 to before 9b85c8f624b0f8cf9b932f5a65dacd56a1f47a72Affected
790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 to before 8b221db0b7d24675e465e98d9326d298025a4e8dAffected
790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 to before 33c1c6d8a28a2761ac74b0380b2563cf546c2a3aAffected

LinuxLinux

5.11Affected
before 5.11Not affected
5.15.202 through 5.15.*Not affected
6.1.165 through 6.1.*Not affected
6.6.128 through 6.6.*Not affected
6.12.75 through 6.12.*Not affected
6.18.16 through 6.18.*Not affected
6.19.6 through 6.19.*Not affected
7.0 and laterNot affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.