Bug 1783494 (CVE-2019-19526) - CVE-2019-19526 kernel: use-after-free bug caused by a malicious USB device in the drivers/nfc/pn533/usb.c driver
Summary: CVE-2019-19526 kernel: use-after-free bug caused by a malicious USB device in...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2019-19526
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: 1783495
Blocks: 1783496
TreeView+ depends on / blocked
 
Reported: 2019-12-13 20:19 UTC by msiddiqu
Modified: 2020-02-19 14:17 UTC (History)
45 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
A vulnerability was found in pn533_usb_probe in drivers/nfc/pn533/usb.c in PN533 transceiver module with USB interface for contact-less communication subsystem, in this if the driver registration fails in between, it needs to do all the cleanup activity and free all the related resources, failing which it can lead to a use-after-free problem.
Clone Of:
Environment:
Last Closed: 2020-02-19 14:09:36 UTC


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Description msiddiqu 2019-12-13 20:19:58 UTC
A vulnerability was found in pn533_usb_probe in drivers/nfc/pn533/usb.c  in PN533 transceiver module with USB interface for contact-less communication subsystem,  in this if  the driver registration fails in between, it needs to do all the  cleanup activity  and free all the related resources, failing which it can lead to a use-after-free problem.


Upstream patch:   

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6af3aa57a0984e061f61308fe181a9a12359fecc

References:   

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.9
http://seclists.org/oss-sec/2019/q4/115
http://www.openwall.com/lists/oss-security/2019/12/03/4

Comment 1 msiddiqu 2019-12-13 20:20:27 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1783495]

Comment 2 Justin M. Forbes 2019-12-16 16:56:38 UTC
This is fixed for Fedora with the 5.3.9 stable kernel update.

Comment 3 Product Security DevOps Team 2020-02-19 14:09:36 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-2019-19526

Comment 5 Rohit Keshri 2020-02-19 14:14:08 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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