--- title: "CVE-2022-3534\n | Ubuntu" description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/CVE-2022-3534?format=md keywords: index, follow --- # CVE-2022-3534 Publication date 17 October 2022 Last updated 9 September 2026 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) ## Cvss 3 Severity Score **5.5 · Medium** [Score breakdown](https://ubuntu.com/security/CVE-2022-3534?format=md#impact-score) Toggle side navigation ## Description A vulnerability classified as critical has been found in Linux Kernel. Affected is the function btf\_dump\_name\_dups of the file tools/lib/bpf/btf\_dump.c of the component libbpf. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211032. [Read the notes from the security team](https://ubuntu.com/security/CVE-2022-3534?format=md#notes) ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | libbpf | 26.04 LTS resolute | Fixed 1.0.1-2ubuntu1 | | 25.10 questing | Fixed 1.0.1-2ubuntu1 | | 25.04 plucky | Fixed 1.0.1-2ubuntu1 | | 24.10 oracular | Fixed 1.0.1-2ubuntu1 | | 24.04 LTS noble | Fixed 1.0.1-2ubuntu1 | | 23.10 mantic | Fixed 1.0.1-2ubuntu1 | | 23.04 lunar | Fixed 1.0.1-2ubuntu1 | | 22.10 kinetic | Fixed 0.8.0-1ubuntu22.10.1 | | 22.04 LTS jammy | Fixed 0.5.0-1ubuntu22.04.1 | | 20.04 LTS focal | Fixed 0.5.0-1~ubuntu20.04.1+esm1 Ubuntu Pro | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | dwarves-dfsg | 26.04 LTS resolute | Not in release | | 25.10 questing | Not in release | | 25.04 plucky | Not in release | | 24.10 oracular | Not in release | | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 23.04 lunar | Not in release | | 22.10 kinetic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Fixed 1.21-0ubuntu1~20.04.1 | | 18.04 LTS bionic | Fixed 1.21-0ubuntu1~18.04.1+esm1 Ubuntu Pro | | 16.04 LTS xenial | Needs evaluation | | 14.04 LTS trusty | Ignored end of standard support | --- * [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) * [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses) * [Patch details](https://ubuntu.com/security/CVE-2022-3534?format=md#patch-details) ### Get expanded security coverage with Ubuntu Pro Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use. [Get Ubuntu Pro](https://ubuntu.com/pro) [30-day free trial](https://ubuntu.com/pro/free-trial) ## Notes --- ### [mdeslaur](https://launchpad.net/~mdeslaur) introduced by: https://github.com/libbpf/libbpf/commit/7ac1547f32f060d84b06c74edbb2c6896cc07949 ### Patch details For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) | Package | Patch details | | --- | --- | | libbpf | * Upstream: [54caf92](https://github.com/libbpf/libbpf/commit/54caf920db0e489de90f3aaaa41e2a51ddbcd084) | ## Severity score breakdown CVSS version: CVSS v4.0 [CVSS v4.0](https://ubuntu.com/security/CVE-2022-3534?format=md) [CVSS v3.0](https://ubuntu.com/security/CVE-2022-3534?format=md) **Base score** 5.1 · Medium * Base metrics | Parameter | Value | | --- | --- | | Attack vector | Adjacent | | Attack complexity | Low | | Attack requirements | None | | Privileges required | Low | | User interaction | None | | Vulnerable system - Confidentiality impact | Low | | Vulnerable system - Integrity impact | Low | | Vulnerable system - Availability impact | Low | | Subsequent system - Confidentiality impact | None | | Subsequent system - Integrity impact | None | | Subsequent system - Availability impact | None | * Scores | Parameter | Value | | --- | --- | | Base score | 5.1 · Medium | | Base + Threat score | - | | Base + Environmental score | - | | Base + Threat + Environmental score | - | **Vector:** CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-3534) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2022-3534) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2022-3534) * [Debian](https://security-tracker.debian.org/tracker/CVE-2022-3534) ### Related Ubuntu Security Notices (USN) + [USN-5759-1](https://usn.ubuntu.com/USN-5759-1) + LibBPF vulnerabilities + 5 December 2022 + [USN-5759-2](https://usn.ubuntu.com/USN-5759-2) + LibBPF vulnerabilities + 8 December 2022 + [USN-6215-1](https://usn.ubuntu.com/USN-6215-1) + dwarves vulnerabilities + 11 July 2023 ### Other references *