Bug 1818818 (CVE-2019-9454) - CVE-2019-9454 kernel: out of bounds write in i2c driver leads to local escalation of privilege
Summary: CVE-2019-9454 kernel: out of bounds write in i2c driver leads to local escala...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2019-9454
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: 1822641 1822642 1804074 1818819 1825868 1825869 1825870
Blocks: 1750356
TreeView+ depends on / blocked
 
Reported: 2020-03-30 13:00 UTC by msiddiqu
Modified: 2020-05-12 16:32 UTC (History)
47 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
An out-of-bounds write flaw was found in the i2c driver in the Linux kernel. This flaw allows an attacker to escalate privileges with system execution privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Clone Of:
Environment:
Last Closed: 2020-05-12 16:32:21 UTC


Attachments (Terms of Use)


Links
System ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2020:2104 None None None 2020-05-12 15:12:47 UTC

Description msiddiqu 2020-03-30 13:00:19 UTC
A vulnerability was found in i2c driver in kernel, where there is a possible out of bounds write due
to memory corruption. This could lead to local escalation of privilege with
System execution privileges needed. User interaction is not needed for
exploitation.

Upstream commit:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=89c6efa61f5709327ecfa24bff18e57a4e80c7fa

References: 

https://source.android.com/security/bulletin/pixel/2019-09-01

Comment 1 msiddiqu 2020-03-30 13:01:30 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1818819]

Comment 2 Justin M. Forbes 2020-03-30 14:41:24 UTC
This was fixed for Fedora with the 4.14.15 stable kernel updates.

Comment 10 Petr Matousek 2020-04-28 12:15:47 UTC
Mitigation:

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Comment 12 errata-xmlrpc 2020-05-12 15:12:44 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:2104 https://access.redhat.com/errata/RHSA-2020:2104

Comment 13 Product Security DevOps Team 2020-05-12 16:32:21 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2019-9454


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