CVE-2019-3459

Public Exploit

Description

A heap address information leak while using L2CAP_GET_CONF_OPT was discovered in the Linux kernel before 5.1-rc1.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.19%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory kernel.org
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://marc.info/?l=oss-security&m=154721580222522&w=2 mailing list exploit third party advisory
https://lore.kernel.org/linux-bluetooth/20190110062833.GA15047%40kroah.com/ mailing list
https://git.kernel.org/linus/7c9cbd0b5e38a1672fcd137894ace3b042dfbf69 patch vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1663176 issue tracking third party advisory mitigation
https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-3459.html third party advisory
https://bugzilla.novell.com/show_bug.cgi?id=1120758 issue tracking third party advisory patch
https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2019/05/msg00041.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2019/05/msg00042.html third party advisory mailing list
http://www.openwall.com/lists/oss-security/2019/06/27/2 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2019/06/27/7 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2019/06/28/1 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2019/06/28/2 third party advisory mailing list
https://access.redhat.com/errata/RHSA-2019:2043 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:2029 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2019/08/12/1 third party advisory mailing list
https://access.redhat.com/errata/RHSA-2019:3309 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:3517 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2020:0740 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-3459?
CVE-2019-3459 has been scored as a medium severity vulnerability.
How to fix CVE-2019-3459?
To fix CVE-2019-3459, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-3459 being actively exploited in the wild?
It is possible that CVE-2019-3459 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-3459?
CVE-2019-3459 affects Linux Linux.
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