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Untriaged
Permalink CVE-2025-7519
6.7 MEDIUM
  • CVSS version: 3.1
  • Attack vector (AV): LOCAL
  • Attack complexity (AC): LOW
  • Privileges required (PR): HIGH
  • User interaction (UI): NONE
  • Scope (S): UNCHANGED
  • Confidentiality impact (C): HIGH
  • Integrity impact (I): HIGH
  • Availability impact (A): HIGH
created 6 months, 1 week ago
Polkit: xml policy file with a large number of nested elements may lead to out-of-bounds write

A flaw was found in polkit. When processing an XML policy with 32 or more nested elements in depth, an out-of-bounds write can be triggered. This issue can lead to a crash or other unexpected behavior, and arbitrary code execution is not discarded. To exploit this flaw, a high-privilege account is needed as it's required to place the malicious policy file properly.

References

Affected products

rhcos
polkit
  • =<126

Matching in nixpkgs

pkgs.polkit

Toolkit for defining and handling the policy that allows unprivileged processes to speak to privileged processes

  • nixos-unstable -

pkgs.cmd-polkit

Easily create polkit authentication agents by using commands

  • nixos-unstable -

pkgs.polkit_gnome

Dbus session bus service that is used to bring up authentication dialogs

  • nixos-unstable -