# 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. - **Severity:** High 7.2 (`AV:L/AC:L/Au:N/C:C/I:C/A:C`) - **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:** Yes - **Published:** 23 Apr 2014 - **Updated:** 6 Aug 2024 - **Also known as:** DEBIAN-CVE-2014-2894, GHSA-5v9x-x46w-vf3f, RHSA-2014:0704, UBUNTU-CVE-2014-2894 ## 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. | Package | Ecosystem | Affected | Fixed in | | --- | --- | --- | --- | | `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: Qemu Qemu. ## How do I fix CVE-2014-2894? Upgrade to a fixed version. ## 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 - [CVE-2022-36648](https://insights.sbomify.com/CVE-2022-36648/): Null dereference in n/a (critical 10.0) - [CVE-2015-8556](https://insights.sbomify.com/CVE-2015-8556/): Race condition in n/a (critical 10.0) - [CVE-2009-3616](https://insights.sbomify.com/CVE-2009-3616/): Use after free in n/a (critical 9.9) - [CVE-2019-12928](https://insights.sbomify.com/CVE-2019-12928/): Command injection in n/a (critical 9.8) - [CVE-2019-12929](https://insights.sbomify.com/CVE-2019-12929/): Command injection in n/a (critical 9.8) ## Fix prompt for AI coding agents ```text Check this codebase for CVE-2014-2894 and fix it if it is affected. What it is: 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. Exploitation: There is no known exploitation of CVE-2014-2894 in the wild and no public exploit code. Affected product: Qemu Qemu. No package-level version data is available, so check the vendor advisory linked from the reference page. Task: 1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies. 2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it. 3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead. 4. Run the tests and summarise what changed and why. 5. If nothing in the project is affected, say so and change nothing. Reference: https://insights.sbomify.com/CVE-2014-2894/ (Markdown: https://insights.sbomify.com/CVE-2014-2894/index.md) ``` ## Sources - CVE record: https://www.cve.org/CVERecord?id=CVE-2014-2894 - NVD: https://nvd.nist.gov/vuln/detail/CVE-2014-2894 - OSV: https://osv.dev/vulnerability/CVE-2014-2894 --- From sbomify Insights: https://insights.sbomify.com/CVE-2014-2894/ Summaries are generated and may contain mistakes; the official description above is the record.