Bug 1964139 (CVE-2021-3564)

Summary: CVE-2021-3564 kernel: double free in bluetooth subsystem when the HCI device initialization fails
Product: [Other] Security Response Reporter: Guilherme de Almeida Suckevicz <gsuckevi>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: acaringi, adscvr, airlied, alciregi, bhu, blc, bmasney, brdeoliv, bskeggs, chwhite, crwood, dhoward, dvlasenk, fhrbata, fpacheco, hdegoede, hkrzesin, jarodwilson, jeremy, jforbes, jlelli, jonathan, josef, jshortt, jstancek, jwboyer, kcarcia, kernel-maint, kernel-mgr, lgoncalv, linville, masami256, mchehab, mlangsdo, nmurray, ptalbert, qzhao, rvrbovsk, security-response-team, steved, walters, wcosta, williams
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
A flaw double-free memory corruption in the Linux kernel HCI device initialization subsystem was found in the way user attach malicious HCI TTY Bluetooth device. A local user could use this flaw to crash the system.
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-11-09 21:22:50 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1964449, 1964556, 1964557, 1964558, 1964559, 1964560, 1964782, 1964783, 1964784, 1964785, 1967263    
Bug Blocks: 1962167, 1964142    

Description Guilherme de Almeida Suckevicz 2021-05-24 19:31:59 UTC
A flaw was found in the Linux kernel in the BlueTooth subsystem when the HCI device initialization fails. It can lead to unexpected results, like double-free memory corruption vulnerability.

Comment 1 Guilherme de Almeida Suckevicz 2021-05-25 13:51:58 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1964449]

Comment 17 Justin M. Forbes 2021-06-29 16:23:32 UTC
This was fixed for Fedora with the 5.12.10 stable kernel updates.

Comment 19 errata-xmlrpc 2021-11-09 17:23:26 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:4140 https://access.redhat.com/errata/RHSA-2021:4140

Comment 20 errata-xmlrpc 2021-11-09 18:26:55 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:4356 https://access.redhat.com/errata/RHSA-2021:4356

Comment 21 Product Security DevOps Team 2021-11-09 21:22:46 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-2021-3564

Comment 22 errata-xmlrpc 2022-02-22 16:57:50 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2022:0620 https://access.redhat.com/errata/RHSA-2022:0620

Comment 23 errata-xmlrpc 2022-02-22 17:00:30 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2022:0622 https://access.redhat.com/errata/RHSA-2022:0622