Bug 1919906 (CVE-2020-0432) - CVE-2020-0432 kernel: possible out of bounds write in skb_to_mamac of networking.c
Summary: CVE-2020-0432 kernel: possible out of bounds write in skb_to_mamac of network...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2020-0432
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: 1919909
Blocks: 1919908
TreeView+ depends on / blocked
 
Reported: 2021-01-25 11:44 UTC by Dhananjay Arunesh
Modified: 2021-02-18 18:33 UTC (History)
46 users (show)

Fixed In Version:
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Doc Text:
A flaw was found in the Linux kernel in the skb_to_mamac function of networking.c where there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Clone Of:
Environment:
Last Closed: 2021-01-28 14:41:42 UTC


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Description Dhananjay Arunesh 2021-01-25 11:44:12 UTC
In skb_to_mamac of networking.c, there is a possible out of bounds write due to
an integer overflow. This could lead to local escalation of privilege with no
additional execution privileges needed. User interaction is not needed for
exploitation.Product.

References:
https://android.googlesource.com/kernel/common/+/d66184791ec81952256d1486e29378b0178bee23
https://source.android.com/security/bulletin/pixel/2020-09-01

Comment 1 Dhananjay Arunesh 2021-01-25 11:46:10 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1919909]

Comment 2 Justin M. Forbes 2021-01-25 17:32:54 UTC
This does not impact Fedora as we do not enable staging drivers.

Comment 3 Product Security DevOps Team 2021-01-28 14:41:42 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-2020-0432


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