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Package "libvirt0"

Name: libvirt0

Description:

library for interfacing with different virtualization systems
Latest version: 10.0.0-2ubuntu8.11
Release: noble (24.04)
Level: security
Repository: main
Head package: libvirt
Homepage: https://libvirt.org/

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Repository Area Version
base main 10.0.0-2ubuntu8
updates main 10.0.0-2ubuntu8.11

Changelog

Version: 10.0.0-2ubuntu8.11 2026-01-08 15:09:44 UTC

  libvirt (10.0.0-2ubuntu8.11) noble-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 10:52:22 -0500
Source diff to previous version
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

Version: 10.0.0-2ubuntu8.2 2024-05-07 13:07:25 UTC

  libvirt (10.0.0-2ubuntu8.2) noble-security; urgency=medium

  * SECURITY UPDATE: stack use-after-free in virNetClientIOEventLoop()
    - debian/patches/CVE-2024-4418.patch: ensure temporary GSource is
      removed from client event loop in src/rpc/virnetclient.c.
    - CVE-2024-4418

 -- Marc Deslauriers <email address hidden> Mon, 06 May 2024 09:12:37 -0400
Source diff to previous version
CVE-2024-4418 stack use-after-free in virNetClientIOEventLoop()

Version: 10.0.0-2ubuntu8.1 2024-04-29 13:07:04 UTC

  libvirt (10.0.0-2ubuntu8.1) noble-security; urgency=medium

  * SECURITY UPDATE: off-by-one in udevListInterfacesByStatus()
    - debian/patches/CVE-2024-1441.patch: properly check count in
      src/interface/interface_backend_udev.c.
    - CVE-2024-1441
  * SECURITY UPDATE: crash in RPC library
    - debian/patches/CVE-2024-2494.patch: check values in
      src/remote/remote_daemon_dispatch.c, src/rpc/gendispatch.pl.
    - CVE-2024-2494

 -- Marc Deslauriers <email address hidden> Thu, 18 Apr 2024 11:42:32 -0400
CVE-2024-1441 An off-by-one error flaw was found in the udevListInterfacesByStatus() function in libvirt when the number of interfaces exceeds the size of the `nam
CVE-2024-2494 A flaw was found in the RPC library APIs of libvirt. The RPC server deserialization code allocates memory for arrays before the non-negative length c


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