Description
A vulnerability was found in libguestfs. This issue occurs while calculating the greatest possible number of matching keys in the get_keys() function. This flaw leads to a denial of service, either by mistake or malicious actor.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | libguestfs | none | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | guestfs-tools | 1.48.3-4 | — |
| Debian 14 | libguestfs | 1:1.46.2-1 | — |
| Debian 13 | guestfs-tools | 1.48.3-4 | — |
| Debian 13 | libguestfs | 1:1.46.2-1 | — |
| Debian 12 | guestfs-tools | 1.48.2-1+deb12u1 | — |
| Debian 12 | libguestfs | 1:1.46.2-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | guestfs-tools | No fix yet | — |
| Ubuntu 26.04 LTS | guestfs-tools | No fix yet | — |
| Ubuntu 25.10 | guestfs-tools | No fix yet | — |
| Ubuntu 24.04 LTS | guestfs-tools | No fix yet | — |
| Ubuntu 22.04 LTS | guestfs-tools | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | libguestfs | No fix yet | — |
| Ubuntu 18.04 LTS | libguestfs | No fix yet | — |
| Ubuntu 16.04 LTS | libguestfs | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | libguestfs +18 | 1:1.48.4-2.el9 | RHSA-2022:7958 |
| RHEL 9 | virt-v2v +3 | 1:2.0.7-6.el9 | RHSA-2022:7968 |
| RHEL 9 | virt-win-reg +1 | 1.48.2-5.el9 | RHSA-2022:7959 |
| RHEL 8 | SLOF | 20210217-1.module+el8.7.0+16689+53d59bc2 | RHSA-2022:7472 |
| RHEL 8 | hivex +6 | 1.3.18-23.module+el8.7.0+16689+53d59bc2 | RHSA-2022:7472 |
| RHEL 8 | libguestfs-winsupport | 8.6-1.module+el8.7.0+16689+53d59bc2 | RHSA-2022:7472 |
| RHEL 8 | libiscsi +2 | 1.18.0-8.module+el8.7.0+16689+53d59bc2 | RHSA-2022:7472 |
| RHEL 8 | libnbd +6 | 1.6.0-5.module+el8.7.0+16689+53d59bc2 | RHSA-2022:7472 |
| RHEL 8 | libtpms +1 | 0.9.1-1.20211126git1ff6fe1f43.module+el8.7.0+16689+53d59bc2 | RHSA-2022:7472 |
| RHEL 8 | libvirt +27 | 8.0.0-10.module+el8.7.0+16689+53d59bc2 | RHSA-2022:7472 |
| RHEL 8 | libvirt-dbus | 1.3.0-2.module+el8.7.0+16689+53d59bc2 | RHSA-2022:7472 |
| RHEL 8 | libvirt-python +1 | 8.0.0-2.module+el8.7.0+16689+53d59bc2 | RHSA-2022:7472 |
| RHEL 8 | nbdkit +18 | 1.24.0-4.module+el8.7.0+16689+53d59bc2 | RHSA-2022:7472 |
| RHEL 8 | netcf +2 | 0.2.8-12.module+el8.7.0+16689+53d59bc2 | RHSA-2022:7472 |
| RHEL 8 | perl-Sys-Virt | 8.0.0-1.module+el8.7.0+16689+53d59bc2 | RHSA-2022:7472 |
| RHEL 8 | qemu-img +14 | 15:6.2.0-20.module+el8.7.0+16689+53d59bc2.1 | RHSA-2022:7472 |
| RHEL 8 | seabios +2 | 1.16.0-3.module+el8.7.0+16689+53d59bc2 | RHSA-2022:7472 |
| RHEL 8 | sgabios +1 | 1:0.20170427git-3.module+el8.7.0+16689+53d59bc2 | RHSA-2022:7472 |
| RHEL 8 | supermin +1 | 5.2.1-2.module+el8.7.0+16689+53d59bc2 | RHSA-2022:7472 |
| RHEL 8 | swtpm +4 | 0.7.0-4.20211109gitb79fd91.module+el8.7.0+16689+53d59bc2 | RHSA-2022:7472 |
| RHEL 8 | virt-dib +24 | 1:1.44.0-9.module+el8.7.0+16689+53d59bc2 | RHSA-2022:7472 |
| RHEL 8 | virt-v2v +3 | 1:1.42.0-21.module+el8.7.0+16689+53d59bc2 | RHSA-2022:7472 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | libguestfs +18 | 1:1.48.4-2.el9.alma | ALSA-2022:7958 |
| AlmaLinux 9 | virt-v2v +3 | 1:2.0.7-6.el9 | ALSA-2022:7968 |
| AlmaLinux 9 | virt-win-reg +1 | 1.48.2-5.el9 | ALSA-2022:7959 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | guestfs-tools | 1.48.2-5.el9 | RLSA-2022:7959 |
| Rocky Linux 9 | libguestfs | 1:1.48.4-2.el9 | RLSA-2022:7958 |
| Rocky Linux 9 | virt-v2v | 1:2.0.7-6.el9 | RLSA-2022:7968 |
| Rocky Linux 8 | hivex | 1.3.18-23.module+el8.6.0+847+b490afdd | RLSA-2022:7472 |
| Rocky Linux 8 | libguestfs | 1:1.44.0-9.module+el8.7.0+1084+97b81f61.rocky | RLSA-2022:7472 |
| Rocky Linux 8 | libguestfs-winsupport | 8.6-1.module+el8.6.0+847+b490afdd | RLSA-2022:7472 |
| Rocky Linux 8 | libiscsi | 1.18.0-8.module+el8.4.0+534+4680a14e | RLSA-2022:7472 |
| Rocky Linux 8 | libnbd | 1.6.0-5.module+el8.6.0+847+b490afdd | RLSA-2022:7472 |
| Rocky Linux 8 | libtpms | 0.9.1-1.20211126git1ff6fe1f43.module+el8.7.0+1084+97b81f61 | RLSA-2022:7472 |
| Rocky Linux 8 | libvirt | 8.0.0-10.module+el8.7.0+1084+97b81f61 | RLSA-2022:7472 |
| Rocky Linux 8 | libvirt-dbus | 1.3.0-2.module+el8.4.0+534+4680a14e | RLSA-2022:7472 |
| Rocky Linux 8 | libvirt-python | 8.0.0-2.module+el8.7.0+1084+97b81f61 | RLSA-2022:7472 |
| Rocky Linux 8 | nbdkit | 1.24.0-4.module+el8.6.0+847+b490afdd | RLSA-2022:7472 |
| Rocky Linux 8 | netcf | 0.2.8-12.module+el8.4.0+534+4680a14e | RLSA-2022:7472 |
| Rocky Linux 8 | perl-Sys-Virt | 8.0.0-1.module+el8.6.0+847+b490afdd | RLSA-2022:7472 |
| Rocky Linux 8 | qemu-kvm | 5:6.2.0-20.module+el8.7.0+1084+97b81f61.2 | RLSA-2022:7472 |
| Rocky Linux 8 | seabios | 1.16.0-3.module+el8.7.0+1084+97b81f61 | RLSA-2022:7472 |
| Rocky Linux 8 | sgabios | 1:0.20170427git-3.module+el8.4.0+534+4680a14e | RLSA-2022:7472 |
| Rocky Linux 8 | supermin | 5.2.1-2.module+el8.7.0+1084+97b81f61 | RLSA-2022:7472 |
| Rocky Linux 8 | swtpm | 0.7.0-4.20211109gitb79fd91.module+el8.7.0+1084+97b81f61 | RLSA-2022:7472 |
| Rocky Linux 8 | virt-v2v | 1:1.42.0-21.module+el8.7.0+1084+97b81f61 | RLSA-2022:7472 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | virt-v2v +1 | 1.44.2-150400.3.3.1 | SUSE-SU-2022:4308-1, SUSE-SU-2022:2581-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libguestfs | 1.48.3-3.1 | openSUSE-SU-2024:12165-1 |
| openSUSE Leap 15.4 | virt-v2v +1 | 1.44.2-150400.3.3.1 | SUSE-SU-2022:4308-1, SUSE-SU-2022:2581-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | libguestfs +18 | 1:1.48.4-2.0.1.el9 | ELSA-2022-7958 |
| Oracle Linux 9 | virt-v2v +3 | 1:2.0.7-6.0.1.el9 | ELSA-2022-7968 |
| Oracle Linux 9 | virt-win-reg +1 | 1.48.2-5.el9 | ELSA-2022-7959 |
| Oracle Linux 8 | hivex +6 | 1.3.18-23.module+el8.7.0+20875+5dd40464 | ELSA-2022-7472 |
| Oracle Linux 8 | libguestfs-winsupport | 8.6-1.module+el8.7.0+20875+5dd40464 | ELSA-2022-7472 |
| Oracle Linux 8 | libiscsi +2 | 1.18.0-8.module+el8.7.0+20875+5dd40464 | ELSA-2022-7472 |
| Oracle Linux 8 | libnbd +6 | 1.6.0-5.module+el8.7.0+20875+5dd40464 | ELSA-2022-7472 |
| Oracle Linux 8 | libtpms +1 | 0.9.1-1.20211126git1ff6fe1f43.module+el8.7.0+20875+5dd40464 | ELSA-2022-7472 |
| Oracle Linux 8 | libvirt +27 | 8.0.0-10.0.1.module+el8.7.0+20875+5dd40464 | ELSA-2022-7472 |
| Oracle Linux 8 | libvirt-dbus | 1.3.0-2.module+el8.7.0+20875+5dd40464 | ELSA-2022-7472 |
| Oracle Linux 8 | nbdkit +18 | 1.24.0-4.module+el8.7.0+20875+5dd40464 | ELSA-2022-7472 |
| Oracle Linux 8 | netcf +2 | 0.2.8-12.module+el8.7.0+20875+5dd40464 | ELSA-2022-7472 |
| Oracle Linux 8 | perl-Sys-Virt | 8.0.0-1.module+el8.7.0+20875+5dd40464 | ELSA-2022-7472 |
| Oracle Linux 8 | python3-libvirt | 8.0.0-2.module+el8.7.0+20875+5dd40464 | ELSA-2022-7472 |
| Oracle Linux 8 | qemu-img +14 | 15:6.2.0-20.module+el8.7.0+20875+5dd40464.1 | ELSA-2022-7472 |
| Oracle Linux 8 | seabios +2 | 1.16.0-3.module+el8.7.0+20875+5dd40464 | ELSA-2022-7472 |
| Oracle Linux 8 | sgabios +1 | 1:0.20170427git-3.module+el8.7.0+20875+5dd40464 | ELSA-2022-7472 |
| Oracle Linux 8 | supermin +1 | 5.2.1-2.module+el8.7.0+20875+5dd40464 | ELSA-2022-7472 |
| Oracle Linux 8 | swtpm +4 | 0.7.0-4.20211109gitb79fd91.module+el8.7.0+20875+5dd40464 | ELSA-2022-7472 |
| Oracle Linux 8 | virt-dib +24 | 1:1.44.0-9.0.1.module+el8.7.0+20875+5dd40464 | ELSA-2022-7472 |
| Oracle Linux 8 | virt-v2v +3 | 1:1.42.0-21.module+el8.7.0+20875+5dd40464 | ELSA-2022-7472 |
Advisories 19
- ALSA-2022:7958 Low: libguestfs security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2022:7959 Low: guestfs-tools security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2022:7968 Low: virt-v2v security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2022:7968 Red Hat Security Advisory: virt-v2v security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2022:7959 Red Hat Security Advisory: guestfs-tools security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2022:7958 Red Hat Security Advisory: libguestfs security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2022:7472 Red Hat Security Advisory: virt:rhel and virt-devel:rhel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RLSA-2022:7968 Low: virt-v2v security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 5, 2026
- RLSA-2022:7472 Low: virt:rhel and virt-devel:rhel security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 5, 2026
- RLSA-2022:7959 Low: guestfs-tools security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 5, 2026
- RLSA-2022:7958 Low: libguestfs security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 5, 2026
- openSUSE-SU-2024:12165-1 libguestfs-1.48.3-3.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:4308-1 Security update for virt-v2v SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2581-1 Security update for libguestfs SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2022-0666 libguestfs: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Jul 9, 2023
- ELSA-2022-7959 Low: guestfs-tools security, bug fix, and enhancement update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 22, 2022
- ELSA-2022-7968 Low: virt-v2v security, bug fix, and enhancement update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 22, 2022
- ELSA-2022-7958 Low: libguestfs security, bug fix, and enhancement update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 22, 2022
- ELSA-2022-7472 Low: virt:ol and virt-devel:ol security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 15, 2022