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Package "libvirt"

Name: libvirt

Description:

This package is just an umbrella for a group of other packages, it has no description.
Description samples from packages in group:

  • Programs for the libvirt library
  • data files for the libvirt library
  • Virtualization daemon
  • Virtualization daemon common files
Latest version: 11.0.0-2ubuntu6.5
Release: plucky (25.04)
Level: security
Repository: main

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List of files in package
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Other versions of "libvirt" in Plucky

Repository Area Version
base main 11.0.0-2ubuntu6
base universe 11.0.0-2ubuntu6
security universe 11.0.0-2ubuntu6.5
updates main 11.0.0-2ubuntu6.5
updates universe 11.0.0-2ubuntu6.5

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Changelog

Version: 11.0.0-2ubuntu6.5 2026-01-08 15:09:46 UTC

  libvirt (11.0.0-2ubuntu6.5) plucky-security; urgency=medium

  * SECURITY UPDATE: memory consumption DoS via XML parsing
    - debian/patches/CVE-2025-12748-pre1.patch: move unlinking corrupt save
      image file to caller in src/qemu/qemu_driver.c,
      src/qemu/qemu_saveimage.c, src/qemu/qemu_saveimage.h,
      src/qemu/qemu_snapshot.c.
    - debian/patches/CVE-2025-12748-pre2.patch: decompose qemuSaveImageOpen
      in src/qemu/qemu_driver.c, src/qemu/qemu_saveimage.c,
      src/qemu/qemu_saveimage.h, src/qemu/qemu_snapshot.c
    - debian/patches/CVE-2025-12748-pre3.patch: check for valid save image
      format when verifying image header in src/qemu/qemu_saveimage.c.
    - debian/patches/CVE-2025-12748-1.patch: add virDomainDefIDsParseString
      in src/conf/domain_conf.c, src/conf/domain_conf.h,
      src/libvirt_private.syms.
    - debian/patches/CVE-2025-12748-2.patch: check ACLs before parsing the
      whole domain XML in src/bhyve/bhyve_driver.c.
    - debian/patches/CVE-2025-12748-3.patch: check ACLs before parsing the
      whole domain XML in src/libxl/libxl_driver.c,
    - debian/patches/CVE-2025-12748-4.patch: check ACLs before parsing the
      whole domain XML in src/lxc/lxc_driver.c.
    - debian/patches/CVE-2025-12748-5.patch: check ACLs before parsing the
      whole domain XML in src/vz/vz_driver.c.
    - debian/patches/CVE-2025-12748-6.patch: check ACLs before parsing the
      whole domain XML in src/ch/ch_driver.c.
    - debian/patches/CVE-2025-12748-7.patch: check ACLs before parsing the
      whole domain XML in src/qemu/qemu_driver.c,
      src/qemu/qemu_migration.c, src/qemu/qemu_migration.h,
      src/qemu/qemu_saveimage.c, src/qemu/qemu_saveimage.h,
      src/qemu/qemu_snapshot.c.
    - debian/patches/CVE-2025-12748-8.patch: fix typo in bhyve driver in
      src/bhyve/bhyve_driver.c.
    - CVE-2025-12748
  * SECURITY UPDATE: incorrect world-readable permissions on snapshots
    - debian/patches/CVE-2025-13193.patch: set umask for qemu-img when
      creating external inactive snapshots in src/qemu/qemu_snapshot.c.
    - CVE-2025-13193

 -- Marc Deslauriers <email address hidden> Mon, 08 Dec 2025 10:11:57 -0500
CVE-2025-12748 A flaw was discovered in libvirt in the XML file processing. More specifically, the parsing of user provided XML files was performed before the ACL c
CVE-2025-13193 A flaw was found in libvirt. External inactive snapshots for shut-down VMs are incorrectly created as world-readable, making it possible for unprivil


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