Bug 2461517 (CVE-2026-31559) - CVE-2026-31559 kernel: LoongArch: Fix missing NULL checks for kstrdup()
Summary: CVE-2026-31559 kernel: LoongArch: Fix missing NULL checks for kstrdup()
Keywords:
Status: NEW
Alias: CVE-2026-31559
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
unspecified
unspecified
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-24 15:06 UTC by OSIDB Bzimport
Modified: 2026-04-24 17:34 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-04-24 15:06:07 UTC 
In the Linux kernel, the following vulnerability has been resolved:

LoongArch: Fix missing NULL checks for kstrdup()

1. Replace "of_find_node_by_path("/")" with "of_root" to avoid multiple
calls to "of_node_put()".

2. Fix a potential kernel oops during early boot when memory allocation
fails while parsing CPU model from device tree.
Comment 1 Keith Grant 2026-04-24 17:32:24 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026042458-CVE-2026-31559-01e9@gregkh/T
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