Nixpkgs security tracker

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Suggestion detail

Untriaged
Permalink CVE-2026-62433
7.3 HIGH
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): Low (L)
  • Integrity (I): Low (L)
  • Availability (A): Low (L)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): Low (L)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): Low (L)
  • Modified Availability (MA): Low (L)
created 1 month ago Activity log
  • Created suggestion
correct buffer checks for DM_OP hypercalls

Parts of the DM_OP handling code assumes the caller has provided the required number of buffers for the given operation without any checking being done. As a result, certain operations might access stack rubble as structures are possibly uninitialized.

Affected products

Xen
  • ==consult Xen advisory XSA-506

Matching in nixpkgs

pkgs.xen

Type-1 hypervisor intended for embedded and hyperscale use cases

  • nixos-unstable -
  • nixos-26.05 -

pkgs.xenon

Monitoring tool based on radon

  • nixos-unstable -
    • nixos-unstable-small 0.9.3
  • nixos-26.05 -
    • nixos-26.05-small 0.9.3

pkgs.hhexen

Linux port of Raven Game's Hexen

  • nixos-unstable -
    • nixos-unstable-small 1.6.4
  • nixos-26.05 -
    • nixos-26.05-small 1.6.4

pkgs.uhexen2

Cross-platform port of Hexen II game

  • nixos-unstable -
    • nixos-unstable-small 1.5.9
  • nixos-26.05 -
    • nixos-26.05-small 1.5.9

pkgs.OVMF-xen

Sample UEFI firmware for Xen guests

  • nixos-unstable -
  • nixos-26.05 -

pkgs.qemu_xen

Generic and open source machine emulator and virtualizer

  • nixos-unstable -
  • nixos-26.05 -

pkgs.xenomapper

Utility for post processing mapped reads that have been aligned to a primary genome and a secondary genome and binning reads into species specific, multimapping in each species, unmapped and unassigned bins

  • nixos-unstable -
    • nixos-unstable-small 1.0.2
  • nixos-26.05 -
    • nixos-26.05-small 1.0.2

pkgs.nxengine-evo

Complete open-source clone/rewrite of the masterpiece jump-and-run platformer Doukutsu Monogatari (also known as Cave Story)

  • nixos-unstable -
  • nixos-26.05 -

pkgs.grub2_pvgrub_image

PvGrub2 image for booting PV Xen guests

  • nixos-unstable -
    • nixos-unstable-small
  • nixos-26.05 -
    • nixos-26.05-small

pkgs.grub2_pvhgrub_image

PvGrub2 image for booting PVH Xen guests

  • nixos-unstable -
    • nixos-unstable-small
  • nixos-26.05 -
    • nixos-26.05-small

pkgs.haskellPackages.xeno

A fast event-based XML parser in pure Haskell

  • nixos-unstable -
    • nixos-unstable-small 0.6
  • nixos-26.05 -
    • nixos-26.05-small 0.6

pkgs.python313Packages.xen

Type-1 hypervisor intended for embedded and hyperscale use cases

  • nixos-unstable -
  • nixos-26.05 -

pkgs.python314Packages.xen

Type-1 hypervisor intended for embedded and hyperscale use cases

  • nixos-unstable -
  • nixos-26.05 -

pkgs.ocamlPackages.mirage-net-xen

Network device for reading and writing Ethernet frames via then Xen netfront/netback protocol

  • nixos-unstable -
    • nixos-unstable-small 2.1.3
  • nixos-26.05 -
    • nixos-26.05-small 2.1.3

pkgs.python313Packages.pylatexenc

Simple LaTeX parser providing latex-to-unicode and unicode-to-latex conversion

  • nixos-unstable -
    • nixos-unstable-small 2.10
  • nixos-26.05 -
    • nixos-26.05-small 2.10

pkgs.python314Packages.pylatexenc

Simple LaTeX parser providing latex-to-unicode and unicode-to-latex conversion

  • nixos-unstable -
    • nixos-unstable-small 2.10
  • nixos-26.05 -
    • nixos-26.05-small 2.10