Bug 1743544 (CVE-2019-15211) - CVE-2019-15211 kernel: use-after-free in drivers/media/v4l2-core/v4l2-dev.c
Summary: CVE-2019-15211 kernel: use-after-free in drivers/media/v4l2-core/v4l2-dev.c
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2019-15211
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: 1743545
Blocks: 1743546
TreeView+ depends on / blocked
 
Reported: 2019-08-20 08:14 UTC by Dhananjay Arunesh
Modified: 2020-05-06 10:25 UTC (History)
47 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
A use-after-free flaw was found in the Linux kernel. A local attacker who was able to disconect a USB raremono v4l radio device could trigger a use-after-free condition where they could abuse this flaw to corrupt memory, crash the system, or escalate privileges
Clone Of:
Environment:
Last Closed: 2020-05-06 10:25:36 UTC


Attachments (Terms of Use)

Description Dhananjay Arunesh 2019-08-20 08:14:06 UTC
A vulnerability was found in the Linux kernel. There is a use-after-free caused by a malicious USB device in the drivers/media/v4l2-core/v4l2-dev.c driver because drivers/media/radio/radio-raremono.c does not properly allocate memory.

Reference:
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.6
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c666355e60ddb4748ead3bdd983e3f7f2224aaf0
https://syzkaller.appspot.com/bug?id=775f90f43cfd6f8ac6c15251ce68e604453da226

Comment 1 Dhananjay Arunesh 2019-08-20 08:14:23 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1743545]

Comment 2 Justin M. Forbes 2019-08-20 12:43:23 UTC
This was fixed for Fedora with the 5.2.6 stable updates.

Comment 6 Eric Christensen 2020-02-21 20:24:45 UTC
Statement:

This module is not included in the Red Hat Enterprise Linux kernels.


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