--- title: "CVE-2019-15919\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-2019-15919?format=md keywords: index, follow --- # CVE-2019-15919 Publication date 4 September 2019 Last updated 4 July 2026 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) ## Cvss 3 Severity Score **3.3 · Low** [Score breakdown](https://ubuntu.com/security/CVE-2019-15919?format=md#impact-score) Toggle side navigation ## Description An issue was discovered in the Linux kernel before 5.0.10. SMB2\_write in fs/cifs/smb2pdu.c has a use-after-free. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | linux | 19.10 eoan | Not affected | | 19.04 disco | Fixed 5.0.0-21.22 | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not affected | | 14.04 LTS trusty | Not affected | | linux-aws | 19.10 eoan | Not affected | | 19.04 disco | Ignored end of life, was pending | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not affected | | 14.04 LTS trusty | Not affected | | linux-aws-5.0 | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-aws-hwe | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not affected | | 14.04 LTS trusty | Not in release | | linux-azure | 19.10 eoan | Not affected | | 19.04 disco | Fixed 5.0.0-1012.12 | | 18.04 LTS bionic | Fixed 5.0.0-1014.14~18.04.1 | | 16.04 LTS xenial | Not affected | | 14.04 LTS trusty | Not affected | | linux-azure-5.3 | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-azure-edge | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Fixed 5.0.0-1014.14~18.04.1 | | 16.04 LTS xenial | Not affected | | 14.04 LTS trusty | Not in release | | linux-gcp | 19.10 eoan | Not affected | | 19.04 disco | Fixed 5.0.0-1011.11 | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not affected | | 14.04 LTS trusty | Not in release | | linux-gcp-5.3 | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-gcp-edge | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-gke-4.15 | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-gke-5.0 | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-hwe | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Fixed 5.0.0-23.24~18.04.1 | | 16.04 LTS xenial | Not affected | | 14.04 LTS trusty | Not in release | | linux-hwe-edge | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Ignored end of standard support, was pending | | 16.04 LTS xenial | Not affected | | 14.04 LTS trusty | Not in release | | linux-kvm | 19.10 eoan | Not affected | | 19.04 disco | Fixed 5.0.0-1011.12 | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not affected | | 14.04 LTS trusty | Not in release | | linux-lts-trusty | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-lts-xenial | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not affected | | linux-oem | 19.10 eoan | Not affected | | 19.04 disco | Not affected | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Ignored end of standard support, was needs-triage | | 14.04 LTS trusty | Not in release | | linux-oem-5.4 | 19.10 eoan | Not in release | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-oem-osp1 | 19.10 eoan | Fixed 5.0.0-1018.20 | | 19.04 disco | Ignored end of life, was pending | | 18.04 LTS bionic | Fixed 5.0.0-1015.16 | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-oracle | 19.10 eoan | Not affected | | 19.04 disco | Not affected | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not affected | | 14.04 LTS trusty | Not in release | | linux-oracle-5.0 | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-raspi2 | 19.10 eoan | Not affected | | 19.04 disco | Ignored end of life, was pending | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not affected | | 14.04 LTS trusty | Not in release | | linux-raspi2-5.3 | 19.10 eoan | Not in release | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-snapdragon | 19.10 eoan | Not in release | | 19.04 disco | Fixed 5.0.0-1017.18 | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not affected | | 14.04 LTS trusty | Not in release | --- * [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-2019-15919?format=md#patch-details) ### 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 | | --- | --- | | linux | * Introduced by [eccb442](https://git.kernel.org/linus/eccb4422cf97a4b0daf97b3f3d68044514fea7bd), fixed by [6a3eb33](https://git.kernel.org/linus/6a3eb3360667170988f8a6477f6686242061488a) | ## Severity score breakdown CVSS version: CVSS v3.0 **Base score** 3.3 · Low * Base metrics | Parameter | Value | | --- | --- | | Attack vector | Local | | Attack complexity | Low | | Privileges required | Low | | User interaction | None | | Scope | Unchanged | | Confidentiality impact | Low | | Integrity impact | None | | Availability impact | None | * Scores | Parameter | Value | | --- | --- | | Base score | 3.3 · Low | | Exploitability score | - | | Impact score | - | **Vector:** CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15919) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2019-15919) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2019-15919) * [Debian](https://security-tracker.debian.org/tracker/CVE-2019-15919) ### Other references * * * *