Bug 1774996 (CVE-2019-19049) - CVE-2019-19049 kernel: dos in unittest_data_add() function in drivers/of/unittest.c
Summary: CVE-2019-19049 kernel: dos in unittest_data_add() function in drivers/of/unit...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2019-19049
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1774997
Blocks: 1775034
TreeView+ depends on / blocked
 
Reported: 2019-11-21 11:14 UTC by Dhananjay Arunesh
Modified: 2023-03-24 16:08 UTC (History)
48 users (show)

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Last Closed: 2020-02-25 15:41:59 UTC
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Description Dhananjay Arunesh 2019-11-21 11:14:20 UTC 
A vulnerability was found in Linux Kernel where, a memory leak in the unittest_data_add() function in drivers/of/unittest.c allows attackers to cause a denial of service (memory consumption) by triggering of_fdt_unflatten_tree() failures.

Reference:
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.10
https://github.com/torvalds/linux/commit/e13de8fe0d6a51341671bbe384826d527afe8d44
Comment 1 Dhananjay Arunesh 2019-11-21 11:14:52 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1774997]
Comment 2 Justin M. Forbes 2019-11-21 16:41:05 UTC 
This was fixed for Fedora with the 5.3.10 stable kernel update.
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