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

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Summary

CVECVE-2026-43148
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-06 12:16:32 UTC
Updated2026-05-06 13:07:51 UTC
DescriptionIn 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().

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 1de31dba19c3cd0c1caf388a286b46df638f0b91 git Not specified
CNA Linux Linux affected 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 b265e53d9adfbb5751713185843f7188aa9dd066 git Not specified
CNA Linux Linux affected 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 9d0ca11258e7b452653d04310addfec1753de1a2 git Not specified
CNA Linux Linux affected 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 ca46d2092f307385a7acfb42632056570d6dbbbc git Not specified
CNA Linux Linux affected 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 9b85c8f624b0f8cf9b932f5a65dacd56a1f47a72 git Not specified
CNA Linux Linux affected 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 8b221db0b7d24675e465e98d9326d298025a4e8d git Not specified
CNA Linux Linux affected 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 33c1c6d8a28a2761ac74b0380b2563cf546c2a3a git Not specified
CNA Linux Linux affected 5.11 Not specified
CNA Linux Linux unaffected 5.11 semver Not specified
CNA Linux Linux unaffected 5.15.202 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.165 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.128 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.75 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.16 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.6 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/33c1c6d8a28a2761ac74b0380b2563cf546c2a3a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/9d0ca11258e7b452653d04310addfec1753de1a2 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ca46d2092f307385a7acfb42632056570d6dbbbc 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/b265e53d9adfbb5751713185843f7188aa9dd066 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/9b85c8f624b0f8cf9b932f5a65dacd56a1f47a72 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/1de31dba19c3cd0c1caf388a286b46df638f0b91 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/8b221db0b7d24675e465e98d9326d298025a4e8d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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