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CVE-2025-37803

udmabuf: fix a buf size overflow issue during udmabuf creation

Published: 5/8/2025 Last updated: 5/11/2026 Reserved: 4/16/2025

In the Linux kernel, the following vulnerability has been resolved: udmabuf: fix a buf size overflow issue during udmabuf creation by casting size_limit_mb to u64 when calculate pglimit.

CNA assigner: Linux (416baaa9-dc9f-4396-8d5f-8c081fb06d67) Requested by: n/a

Metrics

Version Score Severity Vector String
3.1 7.8 High CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Opam packages affected (29)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes ortools_solvers orun rawlink rawlink-eio rawlink-lwt restricted shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (4)

Product Vendor Version
Linux Linux 10.0.x
Linux Linux 4.0
Linux Linux 3.5 on Windows 8.1 for 32-bit systems
Linux Linux 3.5 on Windows Server 2012 (Server Core installation)

References (20)