CVE-2026-53031

Summary

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().

Affected Software

VendorProductVersion RangeStatus
LinuxLinux317460317a02a1af512697e6e964298dedd8a163 < 31d3b4b28e55835646d6829d60023f730dd34e85affected
LinuxLinux317460317a02a1af512697e6e964298dedd8a163 < e15900888c09480a4c632bc598f1c5bd39bed6d6affected
LinuxLinux317460317a02a1af512697e6e964298dedd8a163 < fb66e20130f95a93ffea1677252526a9e39170b2affected
LinuxLinux317460317a02a1af512697e6e964298dedd8a163 < 2845989f2ebaf7848e4eccf9a779daf3156ea0a5affected
LinuxLinux6.9affected
LinuxLinux0 < 6.9unaffected
LinuxLinux6.12.91 <= 6.12.*unaffected
LinuxLinux6.18.33 <= 6.18.*unaffected
LinuxLinux7.0.10 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References