Bug 1743580 (CVE-2019-15213) - CVE-2019-15213 kernel: use-after-free caused by malicious USB device in drivers/media/usb/dvb-usb/dvb-usb-init.c
Summary: CVE-2019-15213 kernel: use-after-free caused by malicious USB device in drive...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2019-15213
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: 1743581 1812370 1812371 1812372 1812373 1812374 1825410
Blocks: 1743583
TreeView+ depends on / blocked
 
Reported: 2019-08-20 09:10 UTC by Dhananjay Arunesh
Modified: 2023-12-15 16:41 UTC (History)
41 users (show)

Fixed In Version:
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Doc Text:
A use-after-free flaw was found in the USB DVB media access driver in the Linux kernel. This flaw could allow an attacker to crash the system at device disconnect or for a kernel information leak problem to occur. The highest threat from this vulnerability is to system availability.
Clone Of:
Environment:
Last Closed: 2021-10-27 10:48:17 UTC
Embargoed:

Attachments (Terms of Use)

Description Dhananjay Arunesh 2019-08-20 09:10:56 UTC 
A use-after-free flaw was found in dvb_usb_device_exit in drivers/media/usb/dvb-usb/dvb-usb-init.c in USB DVB media access. This flaw could allow an attacker to crash the system at device disconnect. This vulnerability could even lead to a kernel information leak problem.


Reference:
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.3
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6cf97230cd5f36b7665099083272595c55d72be7
https://syzkaller.appspot.com/bug?id=a53c9c9dd2981bfdbfbcbc1ddbd35595eda8bced
Comment 1 Dhananjay Arunesh 2019-08-20 09:11:47 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1743581]
Comment 2 Justin M. Forbes 2019-08-20 12:49:27 UTC 
This was fixed for Fedora with the 5.2.3 stable updates.
Comment 5 Rohit Keshri 2020-03-11 10:34:53 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.
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