Bug 1992420 (CVE-2021-29984) - CVE-2021-29984 Mozilla: Incorrect instruction reordering during JIT optimization
Summary: CVE-2021-29984 Mozilla: Incorrect instruction reordering during JIT optimization
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-29984
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1990527 1990528 1990529 1990530 1990532 1990533 1990544 1990545 1990546 1990547 1990548 1990549
Blocks: 1990542
TreeView+ depends on / blocked
 
Reported: 2021-08-11 03:58 UTC by Doran Moppert
Modified: 2021-09-16 05:00 UTC (History)
5 users (show)

Fixed In Version: thunderbird 78.13, firefox 78.13
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Clone Of:
Environment:
Last Closed: 2021-08-16 13:28:30 UTC
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2021:3154 0 None None None 2021-08-16 10:06:36 UTC
Red Hat Product Errata RHSA-2021:3155 0 None None None 2021-08-16 10:11:24 UTC
Red Hat Product Errata RHSA-2021:3156 0 None None None 2021-08-16 09:42:46 UTC
Red Hat Product Errata RHSA-2021:3157 0 None None None 2021-08-16 10:19:47 UTC
Red Hat Product Errata RHSA-2021:3159 0 None None None 2021-08-16 09:40:31 UTC
Red Hat Product Errata RHSA-2021:3160 0 None None None 2021-08-16 10:37:28 UTC
Red Hat Product Errata RHSA-2021:3161 0 None None None 2021-08-16 09:29:28 UTC
Red Hat Product Errata RHSA-2021:3162 0 None None None 2021-08-16 10:01:25 UTC

Description Doran Moppert 2021-08-11 03:58:08 UTC 
Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploitable crash.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2021-35/#CVE-2021-29984
Comment 1 errata-xmlrpc 2021-08-16 09:29:26 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2021:3161 https://access.redhat.com/errata/RHSA-2021:3161
Comment 2 errata-xmlrpc 2021-08-16 09:40:28 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2021:3159 https://access.redhat.com/errata/RHSA-2021:3159
Comment 3 errata-xmlrpc 2021-08-16 09:42:44 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Extended Update Support

Via RHSA-2021:3156 https://access.redhat.com/errata/RHSA-2021:3156
Comment 4 errata-xmlrpc 2021-08-16 10:01:23 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Extended Update Support

Via RHSA-2021:3162 https://access.redhat.com/errata/RHSA-2021:3162
Comment 5 errata-xmlrpc 2021-08-16 10:06:34 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2021:3154 https://access.redhat.com/errata/RHSA-2021:3154
Comment 6 errata-xmlrpc 2021-08-16 10:11:22 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:3155 https://access.redhat.com/errata/RHSA-2021:3155
Comment 7 errata-xmlrpc 2021-08-16 10:19:45 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:3157 https://access.redhat.com/errata/RHSA-2021:3157
Comment 8 errata-xmlrpc 2021-08-16 10:37:26 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2021:3160 https://access.redhat.com/errata/RHSA-2021:3160
Comment 9 Product Security DevOps Team 2021-08-16 13:28:30 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-2021-29984
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