Description
Memory leak in the vcard_apdu_new function in card_7816.c in libcacard before 2.5.3 allows local guest OS users to cause a denial of service (host memory consumption) via vectors related to allocating a new APDU object.
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 | libcacard | 1:2.5.0-3 | — |
| Debian 13 | libcacard | 1:2.5.0-3 | — |
| Debian 12 | libcacard | 1:2.5.0-3 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | libcacard | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenStack 11 | qemu-img-rhev +3 | 10:2.9.0-10.el7 | RHSA-2017:2408 |
| Red Hat OpenStack 10 | qemu-img-rhev +3 | 10:2.9.0-10.el7 | RHSA-2017:2408 |
| Red Hat OpenStack 9 | qemu-img-rhev +3 | 10:2.9.0-10.el7 | RHSA-2017:2408 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenStack 8 | qemu-img-rhev +3 | 10:2.9.0-10.el7 | RHSA-2017:2408 |
| Red Hat OpenStack 7 | qemu-img-rhev +3 | 10:2.9.0-10.el7 | RHSA-2017:2408 |
| Red Hat OpenStack 6 | qemu-img-rhev +3 | 10:2.9.0-10.el7 | RHSA-2017:2408 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | xen | 4.5.5_10-22.14.1 | SUSE-SU-2017:1147-1 |
| SLES 12 | xen | 4.4.4_16-22.36.1 | SUSE-SU-2017:1080-1 |
| SLES 11 SP4 | xen | 4.4.4_16-54.1 | SUSE-SU-2017:1081-1 |
| SLES 11 SP3 | xen | 4.2.5_21-38.1 | SUSE-SU-2017:1058-1 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP1 | xen | 4.5.5_10-22.14.1 | SUSE-SU-2017:1147-1 |
| SLES for SAP 12 | xen | 4.4.4_16-22.36.1 | SUSE-SU-2017:1080-1 |
| SLES for SAP 11 SP4 | xen | 4.4.4_16-54.1 | SUSE-SU-2017:1081-1 |
| SUSE OpenStack Cloud 5 | xen | 4.2.5_21-38.1 | SUSE-SU-2017:1058-1 |
| SUSE Manager Proxy 2.1 | xen | 4.2.5_21-38.1 | SUSE-SU-2017:1058-1 |
| SUSE Manager 2.1 | xen | 4.2.5_21-38.1 | SUSE-SU-2017:1058-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | xen | 4.2.5_21-38.1 | SUSE-SU-2017:1058-1 |
Advisories 5
- RHSA-2017:2408 Red Hat Security Advisory: qemu-kvm-rhev security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- SUSE-SU-2017:1058-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1081-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1080-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1147-1 Security update for xen SUSE / openSUSE Security Updates · May 2, 2025
References
- 96541 vdb-entry
- [oss-security] 20170301 CVE-2017-6414 Qemu: libcacard: host memory leakage while creating new APDU mailing-list
- https://bugzilla.redhat.com/show_bug.cgi?id=1427833
- RHSA-2017:2408 vendor-advisory
- https://cgit.freedesktop.org/spice/libcacard/commit/?id=9113dc6a303604a2d9812ac70c17d076ef11886c
- https://cgit.freedesktop.org/spice/libcacard/tree/NEWS?id=aaa5251791bf0b1640afcba77a7d79ea23c42d53