CVE-2019-3459
MEDIUMCVSS 6.5/10EPSS 1.83%
Last modified
CVE-2019-3459 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A heap address information leak while using L2CAP_GET_CONF_OPT was discovered in the Linux kernel before 5.1-rc1.. EPSS estimates a 1.83% chance of exploitation in the next 30 days.
Description
A heap address information leak while using L2CAP_GET_CONF_OPT was discovered in the Linux kernel before 5.1-rc1.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 5.1 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 18.10 |
| Redhat | Codeready Linux Builder | 8.0 |
| Redhat | Enterprise Linux | 5.0 |
| Redhat | Enterprise Linux | 6.0 |
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Eus | 8.1 |
| Redhat | Enterprise Linux Eus | 8.2 |
| Redhat | Enterprise Linux Eus | 8.4 |
| Redhat | Enterprise Linux For Real Time | 7 |
| Redhat | Enterprise Linux For Real Time | 8 |
| Redhat | Enterprise Linux For Real Time For Nfv | 7 |
| Redhat | Enterprise Linux For Real Time For Nfv | 8 |
| Redhat | Enterprise Linux For Real Time For Nfv Tus | 8.2 |
| Redhat | Enterprise Linux For Real Time For Nfv Tus | 8.4 |
| Redhat | Enterprise Linux For Real Time Tus | 8.2 |
| Redhat | Enterprise Linux For Real Time Tus | 8.4 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 8.2 |
| Redhat | Enterprise Linux Server Aus | 8.4 |
| Redhat | Enterprise Linux Server Tus | 8.2 |
| Redhat | Enterprise Linux Server Tus | 8.4 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Redhat | Enterprise Mrg | 2.0 |
| Debian | Debian Linux | 8.0 |
References
- http://www.openwall.com/lists/oss-security/2019/06/27/2Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/06/27/7Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/06/28/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/06/28/2Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/08/12/1Mailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2029Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2043Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3309Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3517Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0740Third Party Advisory
- https://bugzilla.novell.com/show_bug.cgi?id=1120758Issue Tracking, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1663176Issue Tracking, Mitigation, Third Party Advisory
- https://git.kernel.org/linus/7c9cbd0b5e38a1672fcd137894ace3b042dfbf69Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00002.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00041.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00042.htmlMailing List, Third Party Advisory
- https://marc.info/?l=oss-security&m=154721580222522&w=2Exploit, Mailing List, Third Party Advisory
- https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-3459.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2019/06/27/2Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/06/27/7Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/06/28/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/06/28/2Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/08/12/1Mailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2029Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2043Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3309Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3517Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0740Third Party Advisory
- https://bugzilla.novell.com/show_bug.cgi?id=1120758Issue Tracking, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1663176Issue Tracking, Mitigation, Third Party Advisory
- https://git.kernel.org/linus/7c9cbd0b5e38a1672fcd137894ace3b042dfbf69Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00002.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00041.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00042.htmlMailing List, Third Party Advisory
- https://marc.info/?l=oss-security&m=154721580222522&w=2Exploit, Mailing List, Third Party Advisory
- https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-3459.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-3459?
A heap address information leak while using L2CAP_GET_CONF_OPT was discovered in the Linux kernel before 5.1-rc1.
How severe is CVE-2019-3459?
CVE-2019-3459 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.83% probability of exploitation in the next 30 days.
How do I fix CVE-2019-3459?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-3459?
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