Bug 1653993 (CVE-2018-19591) - CVE-2018-19591 glibc: file descriptor leak in if_nametoindex() in sysdeps/unix/sysv/linux/if_index.c
Summary: CVE-2018-19591 glibc: file descriptor leak in if_nametoindex() in sysdeps/uni...
Alias: CVE-2018-19591
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Whiteboard: impact=moderate,public=20181127,repor...
Keywords: Security
Depends On: 1654000 1654010
Blocks: 1654004
TreeView+ depends on / blocked
Reported: 2018-11-27 19:58 UTC by Laura Pardo
Modified: 2019-06-14 09:13 UTC (History)
18 users (show)

Clone Of:
Last Closed: 2018-11-30 10:05:16 UTC

Attachments (Terms of Use)

External Trackers
Tracker ID Priority Status Summary Last Updated
Sourceware 23927 None None None 2019-03-28 09:06 UTC

Description Laura Pardo 2018-11-27 19:58:55 UTC
A flaw was found in glibc before version 2.29. A file descriptor leak in if_nametoindex can lead to a denial of service due to resource exhaustion when processing getaddrinfo calls with crafted host names.


Upstream Patch:

Comment 1 Laura Pardo 2018-11-27 20:01:25 UTC
Created glibc tracking bugs for this issue:

Affects: fedora-all [bug 1654000]

Comment 3 Stefan Cornelius 2018-11-30 10:05:27 UTC

This issue did not affect the versions of glibc as shipped with Red Hat Enterprise Linux 5, 6, and 7.

Comment 4 Fedora Update System 2018-12-04 02:22:52 UTC
glibc-2.27-35.fc28 has been pushed to the Fedora 28 stable repository. If problems still persist, please make note of it in this bug report.

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