Bug 1743544 (CVE-2019-15211)

Summary: CVE-2019-15211 kernel: use-after-free in drivers/media/v4l2-core/v4l2-dev.c
Product: [Other] Security Response Reporter: Dhananjay Arunesh <darunesh>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: acaringi, airlied, apmukher, bdettelb, bhu, blc, brdeoliv, bskeggs, dhoward, dvlasenk, esammons, fhrbata, hdegoede, hkrzesin, iboverma, ichavero, itamar, jarodwilson, jeremy, jforbes, jglisse, jlelli, john.j5live, jonathan, josef, jross, jschorr, jshortt, jstancek, jwboyer, kernel-maint, kernel-mgr, labbott, lgoncalv, linville, masami256, matt, mchehab, mcressma, mjg59, mlangsdo, nmurray, plougher, rt-maint, rvrbovsk, steved, williams
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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
Story Points: ---
Clone Of: Environment:
Last Closed: 2020-05-06 10:25:36 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 1743545    
Bug Blocks: 1743546    

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.


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

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