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CVE-2026-46197

drm/amdkfd: validate SVM ioctl nattr against buffer size

Published: 5/28/2026 Last updated: 6/14/2026 Reserved: 5/13/2026

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: validate SVM ioctl nattr against buffer size Validate nattr field against the buffer size, preventing out-of-bounds buffer access via user-controlled attribute count. (cherry picked from commit 5eca8bfdfa456c3304ca77523718fe24254c172f)

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 Versions earlier than 9.1.0.350(C185E3R1P12T8)
Linux Linux Versions earlier than 9.1.0.350(C10E5R1P14T8)
Linux Linux Magento 2.2 prior to 2.2.10
Linux Linux Magento 2.3 prior to 2.3.3 or 2.3.2-p1

References (14)