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Bug 1623067 - (CVE-2018-9363) CVE-2018-9363 kernel: Buffer overflow in hidp_process_report
CVE-2018-9363 kernel: Buffer overflow in hidp_process_report
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20180816,repor...
: Security
Depends On: 1623073 1624391 1624392 1624393 1623074 1624394
Blocks: 1623079
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Reported: 2018-08-28 08:38 EDT by Andrej Nemec
Modified: 2018-10-30 05:05 EDT (History)
46 users (show)

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Doc Text:
A buffer overflow due to a singed-unsigned comparsion was found in hidp_process_report() in the net/bluetooth/hidp/core.c in the Linux kernel. The buffer length is an unsigned int but gets cast to a signed int which in certain conditions can lead to a system panic and a denial-of-service.
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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2018:2948 None None None 2018-10-30 05:05 EDT

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Description Andrej Nemec 2018-08-28 08:38:26 EDT 
A buffer overflow due to a singed-unsigned comparsion was found in hidp_process_report() in the net/bluetooth/hidp/core.c in the Linux kernel. The buffer length is an unsigned int but gets cast to a signed int which in certain conditions can lead to a system panic and a denial-of-service.

Introduced by:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a4b1b5877b514b276f0f31efe02388a9c2836728

Fixed by:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7992c18810e568b95c869b227137a2215702a805
Comment 1 Andrej Nemec 2018-08-28 08:40:40 EDT 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1623074]
Comment 3 Justin M. Forbes 2018-08-28 16:22:31 EDT 
This was fixed for Fedora with the 4.17.16 stable kernel updates.
Comment 7 errata-xmlrpc 2018-10-30 05:04:58 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:2948 https://access.redhat.com/errata/RHSA-2018:2948
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