Bug 2492275 (CVE-2026-53031) - CVE-2026-53031 kernel: bpf: Validate node_id in arena_alloc_pages()
Summary: CVE-2026-53031 kernel: bpf: Validate node_id in arena_alloc_pages()
Keywords:
Status: NEW
Alias: CVE-2026-53031
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-06-24 18:02 UTC by OSIDB Bzimport
Modified: 2026-06-25 14:20 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:


Attachments (Terms of Use)

Description OSIDB Bzimport 2026-06-24 18:02:23 UTC
In the Linux kernel, the following vulnerability has been resolved:

bpf: Validate node_id in arena_alloc_pages()

arena_alloc_pages() accepts a plain int node_id and forwards it through
the entire allocation chain without any bounds checking.

Validate node_id before passing it down the allocation chain in
arena_alloc_pages().

Comment 1 Mauro Matteo Cascella 2026-06-25 14:12:58 UTC
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026062454-CVE-2026-53031-d9fe@gregkh/T


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