Bug 1961305 (CVE-2021-33034)
Summary: | CVE-2021-33034 kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan | ||
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Product: | [Other] Security Response | Reporter: | Guilherme de Almeida Suckevicz <gsuckevi> |
Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
Status: | CLOSED ERRATA | QA Contact: | |
Severity: | high | Docs Contact: | |
Priority: | high | ||
Version: | unspecified | CC: | acaringi, adscvr, airlied, alciregi, asavkov, bhu, bmasney, brdeoliv, bskeggs, chwhite, crwood, dblechte, dfediuck, dhoward, dvlasenk, eedri, fhrbata, fpacheco, gtiwari, hdegoede, hkrzesin, jarodwilson, jeremy, jforbes, jglisse, jlelli, joe.lawrence, jonathan, josef, jpoimboe, jshortt, jstancek, jthierry, jwboyer, kcarcia, kernel-maint, kernel-mgr, kpatch-maint, lgoncalv, linville, masami256, mchehab, mgoldboi, michal.skrivanek, nmurray, nobody, ptalbert, qzhao, rhandlin, rkeshri, rvrbovsk, sbonazzo, sherold, steved, walters, wcosta, williams, ycote, yturgema |
Target Milestone: | --- | Keywords: | Security |
Target Release: | --- | ||
Hardware: | All | ||
OS: | Linux | ||
Whiteboard: | |||
Fixed In Version: | kernel 5.13 rc1 | Doc Type: | If docs needed, set a value |
Doc Text: |
A use-after-free flaw was found in hci_send_acl in the bluetooth host controller interface (HCI) in Linux kernel, where a local attacker with an access rights could cause a denial of service problem on the system The issue results from the object hchan, freed in hci_disconn_loglink_complete_evt, yet still used in other places. The highest threat from this vulnerability is to data integrity, confidentiality and system availability.
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Story Points: | --- |
Clone Of: | Environment: | ||
Last Closed: | 2021-06-29 10:41:50 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: | 1962683, 1962684, 1962685, 1962686, 1961306, 1962340, 1962341, 1962342, 1962343, 1962507, 1962509, 1962510, 1962512, 1962513, 1962514, 1962516, 1962517, 1962518, 1962519, 1962520, 1962521, 1962523, 1962524, 1962526, 1962527, 1962529, 1962532, 1962534, 1962537, 1962541, 1962544, 1962546, 1970759, 1970760 | ||
Bug Blocks: | 1961308 |
Description
Guilherme de Almeida Suckevicz
2021-05-17 16:37:31 UTC
Created kernel tracking bugs for this issue: Affects: fedora-all [bug 1961306] This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2021:2563 https://access.redhat.com/errata/RHSA-2021:2563 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-2021-33034 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2021:2599 https://access.redhat.com/errata/RHSA-2021:2599 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2021:2570 https://access.redhat.com/errata/RHSA-2021:2570 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.1 Extended Update Support Via RHSA-2021:2666 https://access.redhat.com/errata/RHSA-2021:2666 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.1 Extended Update Support Via RHSA-2021:2668 https://access.redhat.com/errata/RHSA-2021:2668 This issue has been addressed in the following products: Red Hat Enterprise Linux 7.2 Advanced Update Support Via RHSA-2021:2734 https://access.redhat.com/errata/RHSA-2021:2734 This issue has been addressed in the following products: Red Hat Enterprise Linux 7.3 Advanced Update Support Via RHSA-2021:2733 https://access.redhat.com/errata/RHSA-2021:2733 This issue has been addressed in the following products: Red Hat Enterprise Linux 7.4 Advanced Update Support Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions Red Hat Enterprise Linux 7.4 Telco Extended Update Support Via RHSA-2021:2732 https://access.redhat.com/errata/RHSA-2021:2732 This issue has been addressed in the following products: Red Hat Enterprise Linux 7.6 Advanced Update Support Red Hat Enterprise Linux 7.6 Update Services for SAP Solutions Red Hat Enterprise Linux 7.6 Telco Extended Update Support Via RHSA-2021:2730 https://access.redhat.com/errata/RHSA-2021:2730 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Extended Update Support Via RHSA-2021:2719 https://access.redhat.com/errata/RHSA-2021:2719 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Extended Update Support Via RHSA-2021:2718 https://access.redhat.com/errata/RHSA-2021:2718 This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2021:2727 https://access.redhat.com/errata/RHSA-2021:2727 This issue has been addressed in the following products: Red Hat Enterprise Linux 7.6 Update Services for SAP Solutions Via RHSA-2021:2731 https://access.redhat.com/errata/RHSA-2021:2731 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Extended Update Support Via RHSA-2021:2720 https://access.redhat.com/errata/RHSA-2021:2720 This issue has been addressed in the following products: Red Hat Enterprise Linux 7.7 Extended Update Support Via RHSA-2021:2729 https://access.redhat.com/errata/RHSA-2021:2729 This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2021:2725 https://access.redhat.com/errata/RHSA-2021:2725 This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2021:2726 https://access.redhat.com/errata/RHSA-2021:2726 This issue has been addressed in the following products: Red Hat Enterprise Linux 7.7 Extended Update Support Via RHSA-2021:2728 https://access.redhat.com/errata/RHSA-2021:2728 This issue has been addressed in the following products: Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 Via RHSA-2021:2737 https://access.redhat.com/errata/RHSA-2021:2737 This issue has been addressed in the following products: Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 Via RHSA-2021:2736 https://access.redhat.com/errata/RHSA-2021:2736 |