Description
Buffer overflow in the ccid_card_vscard_handle_message function in hw/ccid-card-passthru.c in QEMU before 0.15.2 and 1.x before 1.0-rc4 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted VSC_ATR message.
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 | qemu | 0.15.1+dfsg-2 | — |
| Debian 14 | xen | 4.4.0-1 | — |
| Debian 13 | qemu | 0.15.1+dfsg-2 | — |
| Debian 13 | xen | 4.4.0-1 | — |
| Debian 12 | qemu | 0.15.1+dfsg-2 | — |
| Debian 12 | xen | 4.4.0-1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | qemu-img +2 | 2:0.12.1.2-2.160.el6_1.9 | RHSA-2011:1801, RHSA-2011:1777 |
Advisories 2
- RHSA-2011:1801 Red Hat Security Advisory: qemu-kvm security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2011:1777 Red Hat Security Advisory: qemu-kvm security update Red Hat Security Advisories (RHSA) · Nov 22, 2025