CVE-2014-2894 Memory corruption in n/a
Local attackers can exploit a buffer underflow in QEMU's SMART self-test to cause memory corruption, potentially leading to code execution or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-2894?
CVE-2014-2894 is a high-severity memory corruption vulnerability in Qemu Qemu, published on 23 Apr 2014. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-189
Which versions are affected by CVE-2014-2894?
It affects 1 product.
Linux distribution packages (36)
libcacard Red Hat:enterprise_linux:7::client | All versions | 10:1.5.3-60.el7_0.2 |
libcacard-devel Red Hat:enterprise_linux:7::client | All versions | 10:1.5.3-60.el7_0.2 |
libcacard-tools Red Hat:enterprise_linux:7::client | All versions | 10:1.5.3-60.el7_0.2 |
qemu-guest-agent Red Hat:enterprise_linux:7::client | All versions | 10:1.5.3-60.el7_0.2 |
qemu-img Red Hat:enterprise_linux:7::client | All versions | 10:1.5.3-60.el7_0.2 |
qemu-kvm Red Hat:enterprise_linux:7::client | All versions | 10:1.5.3-60.el7_0.2 |
qemu-kvm-common Red Hat:enterprise_linux:7::client | All versions | 10:1.5.3-60.el7_0.2 |
qemu-kvm-debuginfo Red Hat:enterprise_linux:7::client | All versions | 10:1.5.3-60.el7_0.2 |
qemu-kvm-tools Red Hat:enterprise_linux:7::client | All versions | 10:1.5.3-60.el7_0.2 |
libcacard Red Hat:enterprise_linux:7::computenode | All versions | 10:1.5.3-60.el7_0.2 |
libcacard-devel Red Hat:enterprise_linux:7::computenode | All versions | 10:1.5.3-60.el7_0.2 |
libcacard-tools Red Hat:enterprise_linux:7::computenode | All versions | 10:1.5.3-60.el7_0.2 |
qemu-guest-agent Red Hat:enterprise_linux:7::computenode | All versions | 10:1.5.3-60.el7_0.2 |
qemu-img Red Hat:enterprise_linux:7::computenode | All versions | 10:1.5.3-60.el7_0.2 |
qemu-kvm Red Hat:enterprise_linux:7::computenode | All versions | 10:1.5.3-60.el7_0.2 |
qemu-kvm-common Red Hat:enterprise_linux:7::computenode | All versions | 10:1.5.3-60.el7_0.2 |
qemu-kvm-debuginfo Red Hat:enterprise_linux:7::computenode | All versions | 10:1.5.3-60.el7_0.2 |
qemu-kvm-tools Red Hat:enterprise_linux:7::computenode | All versions | 10:1.5.3-60.el7_0.2 |
libcacard Red Hat:enterprise_linux:7::server | All versions | 10:1.5.3-60.el7_0.2 |
libcacard-devel Red Hat:enterprise_linux:7::server | All versions | 10:1.5.3-60.el7_0.2 |
libcacard-tools Red Hat:enterprise_linux:7::server | All versions | 10:1.5.3-60.el7_0.2 |
qemu-guest-agent Red Hat:enterprise_linux:7::server | All versions | 10:1.5.3-60.el7_0.2 |
qemu-img Red Hat:enterprise_linux:7::server | All versions | 10:1.5.3-60.el7_0.2 |
qemu-kvm Red Hat:enterprise_linux:7::server | All versions | 10:1.5.3-60.el7_0.2 |
qemu-kvm-common Red Hat:enterprise_linux:7::server | All versions | 10:1.5.3-60.el7_0.2 |
qemu-kvm-debuginfo Red Hat:enterprise_linux:7::server | All versions | 10:1.5.3-60.el7_0.2 |
qemu-kvm-tools Red Hat:enterprise_linux:7::server | All versions | 10:1.5.3-60.el7_0.2 |
libcacard Red Hat:enterprise_linux:7::workstation | All versions | 10:1.5.3-60.el7_0.2 |
libcacard-devel Red Hat:enterprise_linux:7::workstation | All versions | 10:1.5.3-60.el7_0.2 |
libcacard-tools Red Hat:enterprise_linux:7::workstation | All versions | 10:1.5.3-60.el7_0.2 |
qemu-guest-agent Red Hat:enterprise_linux:7::workstation | All versions | 10:1.5.3-60.el7_0.2 |
qemu-img Red Hat:enterprise_linux:7::workstation | All versions | 10:1.5.3-60.el7_0.2 |
qemu-kvm Red Hat:enterprise_linux:7::workstation | All versions | 10:1.5.3-60.el7_0.2 |
qemu-kvm-common Red Hat:enterprise_linux:7::workstation | All versions | 10:1.5.3-60.el7_0.2 |
qemu-kvm-debuginfo Red Hat:enterprise_linux:7::workstation | All versions | 10:1.5.3-60.el7_0.2 |
qemu-kvm-tools Red Hat:enterprise_linux:7::workstation | All versions | 10:1.5.3-60.el7_0.2 |
Products include Qemu Qemu.
How do I fix CVE-2014-2894?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2014-2894 being exploited?
There is no known exploitation of CVE-2014-2894 in the wild and no public exploit code.
Other vulnerabilities in Qemu Qemu
Sources
Also known as DEBIAN-CVE-2014-2894, GHSA-5v9x-x46w-vf3f, RHSA-2014:0704, UBUNTU-CVE-2014-2894.