# CVE-2016-5011: Denial of service in n/a > A physically proximate attacker can cause a denial of service via memory consumption by crafting a malicious MSDOS partition table in the libblkid library. - **Severity:** Medium 4.6 (`CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`) - **Exploited in the wild:** Not known - **Login needed:** Not needed - **Attackable:** Local or same network only - **Victim action needed:** Not needed - **Fix available:** Yes - **Published:** 11 Apr 2017 - **Updated:** 6 Aug 2024 - **Also known as:** CLSA-2023-1673905718, DEBIAN-CVE-2016-5011, GHSA-hmj7-c9x8-f363, MGASA-2016-0256, RHSA-2016:2605, SUSE-SU-2016:2764-1, SUSE-SU-2016:2954-1, UBUNTU-CVE-2016-5011, USN-5478-1 ## What is CVE-2016-5011? CVE-2016-5011 is a medium-severity denial of service vulnerability in Redhat Enterprise Linux Desktop, published on 11 Apr 2017. It can only be exploited from the same machine or local network, with no action from the victim. ### Official description The parse_dos_extended function in partitions/dos.c in the libblkid library in util-linux allows physically proximate attackers to cause a denial of service (memory consumption) via a crafted MSDOS partition table with an extended partition boot record at zero offset. ## Which versions are affected by CVE-2016-5011? It affects 9 products. | Package | Ecosystem | Affected | Fixed in | | --- | --- | --- | --- | | `libblkid` | Red Hat:enterprise_linux:7::client | All versions | 0:2.23.2-33.el7 | | `libblkid-devel` | Red Hat:enterprise_linux:7::client | All versions | 0:2.23.2-33.el7 | | `libmount` | Red Hat:enterprise_linux:7::client | All versions | 0:2.23.2-33.el7 | | `libmount-devel` | Red Hat:enterprise_linux:7::client | All versions | 0:2.23.2-33.el7 | | `libuuid` | Red Hat:enterprise_linux:7::client | All versions | 0:2.23.2-33.el7 | | `libuuid-devel` | Red Hat:enterprise_linux:7::client | All versions | 0:2.23.2-33.el7 | | `util-linux` | Red Hat:enterprise_linux:7::client | All versions | 0:2.23.2-33.el7 | | `util-linux-debuginfo` | Red Hat:enterprise_linux:7::client | All versions | 0:2.23.2-33.el7 | | `uuidd` | Red Hat:enterprise_linux:7::client | All versions | 0:2.23.2-33.el7 | | `libblkid` | Red Hat:enterprise_linux:7::computenode | All versions | 0:2.23.2-33.el7 | | `libblkid-devel` | Red Hat:enterprise_linux:7::computenode | All versions | 0:2.23.2-33.el7 | | `libmount` | Red Hat:enterprise_linux:7::computenode | All versions | 0:2.23.2-33.el7 | | `libmount-devel` | Red Hat:enterprise_linux:7::computenode | All versions | 0:2.23.2-33.el7 | | `libuuid` | Red Hat:enterprise_linux:7::computenode | All versions | 0:2.23.2-33.el7 | | `libuuid-devel` | Red Hat:enterprise_linux:7::computenode | All versions | 0:2.23.2-33.el7 | | `util-linux` | Red Hat:enterprise_linux:7::computenode | All versions | 0:2.23.2-33.el7 | | `util-linux-debuginfo` | Red Hat:enterprise_linux:7::computenode | All versions | 0:2.23.2-33.el7 | | `uuidd` | Red Hat:enterprise_linux:7::computenode | All versions | 0:2.23.2-33.el7 | | `libblkid` | Red Hat:enterprise_linux:7::server | All versions | 0:2.23.2-33.el7 | | `libblkid-devel` | Red Hat:enterprise_linux:7::server | All versions | 0:2.23.2-33.el7 | | `libmount` | Red Hat:enterprise_linux:7::server | All versions | 0:2.23.2-33.el7 | | `libmount-devel` | Red Hat:enterprise_linux:7::server | All versions | 0:2.23.2-33.el7 | | `libuuid` | Red Hat:enterprise_linux:7::server | All versions | 0:2.23.2-33.el7 | | `libuuid-devel` | Red Hat:enterprise_linux:7::server | All versions | 0:2.23.2-33.el7 | | `util-linux` | Red Hat:enterprise_linux:7::server | All versions | 0:2.23.2-33.el7 | | `util-linux-debuginfo` | Red Hat:enterprise_linux:7::server | All versions | 0:2.23.2-33.el7 | | `uuidd` | Red Hat:enterprise_linux:7::server | All versions | 0:2.23.2-33.el7 | | `libblkid` | Red Hat:enterprise_linux:7::workstation | All versions | 0:2.23.2-33.el7 | | `libblkid-devel` | Red Hat:enterprise_linux:7::workstation | All versions | 0:2.23.2-33.el7 | | `libmount` | Red Hat:enterprise_linux:7::workstation | All versions | 0:2.23.2-33.el7 | | `libmount-devel` | Red Hat:enterprise_linux:7::workstation | All versions | 0:2.23.2-33.el7 | | `libuuid` | Red Hat:enterprise_linux:7::workstation | All versions | 0:2.23.2-33.el7 | | `libuuid-devel` | Red Hat:enterprise_linux:7::workstation | All versions | 0:2.23.2-33.el7 | | `util-linux` | Red Hat:enterprise_linux:7::workstation | All versions | 0:2.23.2-33.el7 | | `util-linux-debuginfo` | Red Hat:enterprise_linux:7::workstation | All versions | 0:2.23.2-33.el7 | | `uuidd` | Red Hat:enterprise_linux:7::workstation | All versions | 0:2.23.2-33.el7 | | `python-libmount` | SUSE:Linux Enterprise Desktop 12 SP1 | All versions | 2.25-37.1 | | `util-linux` | SUSE:Linux Enterprise Desktop 12 SP1 | All versions | 2.25-37.1 | | `util-linux-systemd` | SUSE:Linux Enterprise Desktop 12 SP1 | All versions | 2.25-37.1 | | `python-libmount` | SUSE:Linux Enterprise Desktop 12 SP2 | All versions | 2.28-42.4 | Products: Ibm Power Hardware Management Console, Ibm Powerkvm, Kernel Util-Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Tus, Redhat Enterprise Linux Workstation. ## How do I fix CVE-2016-5011? Apply the vendor's patch. ## Is CVE-2016-5011 being exploited? There is no known exploitation of CVE-2016-5011 in the wild and no public exploit code. ## Other vulnerabilities in Redhat Enterprise Linux Desktop - [CVE-2017-1134](https://insights.sbomify.com/CVE-2017-1134/): Privilege escalation in Tivoli System Automation for Multiplatforms (high 7.8) - [CVE-2024-56477](https://insights.sbomify.com/CVE-2024-56477/): IBM Power Hardware Management Console directory traversal (medium 6.5) - [CVE-2014-0883](https://insights.sbomify.com/CVE-2014-0883/): IBM Power Hardware Management Console cross-site scripting (medium 4.3) - [CVE-2012-3296](https://insights.sbomify.com/CVE-2012-3296/): Cross-site scripting in n/a (medium 4.3) ## Fix prompt for AI coding agents ```text Check this codebase for CVE-2016-5011 and fix it if it is affected. What it is: CVE-2016-5011 is a medium-severity denial of service vulnerability in Redhat Enterprise Linux Desktop, published on 11 Apr 2017. 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-2016-5011 in the wild and no public exploit code. Affected product: Redhat Enterprise Linux Desktop. 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-2016-5011/ (Markdown: https://insights.sbomify.com/CVE-2016-5011/index.md) ``` ## Sources - CVE record: https://www.cve.org/CVERecord?id=CVE-2016-5011 - NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-5011 - OSV: https://osv.dev/vulnerability/CVE-2016-5011 --- From sbomify Insights: https://insights.sbomify.com/CVE-2016-5011/ Summaries are generated and may contain mistakes; the official description above is the record.