Description
Off-by-one error in the cmd_smart function in the smart self test in hw/ide/core.c in QEMU before 2.0 allows local users to have unspecified impact via a SMART EXECUTE OFFLINE command that triggers a buffer underflow and memory corruption.
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 | 2.0.0+dfsg-1 | — |
| Debian 13 | qemu | 2.0.0+dfsg-1 | — |
| Debian 12 | qemu | 2.0.0+dfsg-1 | — |
| Debian 7 | qemu | 1.1.2+dfsg-6a+deb7u3 | DSA-2932-1 |
| Debian 7 | qemu-kvm | 1.1.2+dfsg-6+deb7u3 | DSA-2933-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | qemu | 2.0.0~rc1+dfsg-0ubuntu3.1 | USN-2182-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | qemu-img +7 | 10:1.5.3-60.el7_0.2 | RHSA-2014:0704 |
| RHEL 6 | qemu-img +6 | 2:0.12.1.2-2.415.el6_5.10 | RHSA-2014:0744, RHSA-2014:0743 |
| RHEL 6 | rhev-hypervisor6 | 6.5-20140603.2.el6ev | RHSA-2014:0674 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenStack 4 | qemu-img-rhev +2 | 2:0.12.1.2-2.415.el6_5.10 | RHSA-2014:0888 |
| Red Hat OpenStack 3 | qemu-img-rhev +2 | 2:0.12.1.2-2.415.el6_5.10 | RHSA-2014:0888 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | qemu-img +7 | 10:1.5.3-60.el7_0.2 | ELSA-2014-0704 |
Advisories 9
- RHSA-2014:0888 Red Hat Security Advisory: qemu-kvm-rhev security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2014:0743 Red Hat Security Advisory: qemu-kvm security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2014:0744 Red Hat Security Advisory: qemu-kvm-rhev security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2014:0674 Red Hat Security Advisory: rhev-hypervisor6 3.4.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2014:0704 Red Hat Security Advisory: qemu-kvm security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-2932-1 qemu - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2933-1 qemu-kvm - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-2182-1 qemu, qemu-kvm vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- ELSA-2014-0704 Moderate: qemu-kvm security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jul 23, 2014
References
- RHSA-2014:0743 vendor-advisory
- [Qemu-devel] 20140412 [PATCH for 2.0] ide: Correct improper smart self test c mailing-list
- RHSA-2014:0744 vendor-advisory
- [Qemu-devel] 20140414 Re: [PATCH for 2.0] ide: Correct improper smart self test c mailing-list
- USN-2182-1 vendor-advisory
- [Qemu-devel] 20140414 Re: [PATCH for 2.0] ide: Correct improper smart self test c mailing-list
- 57945 third-party-advisory
- [oss-security] 20140418 Re: CVE request Qemu: out of bounds buffer access, guest triggerable via IDE SMART mailing-list
- RHSA-2014:0704 vendor-advisory
- [oss-security] 20140415 CVE request Qemu: out of bounds buffer access, guest triggerable via IDE SMART mailing-list
- 66932 vdb-entry
- 58191 third-party-advisory