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CVE-2024-50091

dm vdo: don't refer to dedupe_context after releasing it

Published: 11/5/2024 Last updated: 5/11/2026 Reserved: 10/21/2024

In the Linux kernel, the following vulnerability has been resolved: dm vdo: don't refer to dedupe_context after releasing it Clear the dedupe_context pointer in a data_vio whenever ownership of the context is lost, so that vdo can't examine it accidentally.

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

Metrics

Version Score Severity Vector String
3.1 5.5 Medium CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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 Hyper-V in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and 2008 R2; Windows 7 SP1; Windows 8.1; Windows Server 2012 and R2; Windows 10, 1511, and 1607; and Windows Server 2016.
Linux Linux n/a
Linux Linux Windows 10 for x64-based Systems
Linux Linux Windows Server 2016

References (4)