Bug 2267695 (CVE-2024-26602) - CVE-2024-26602 kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier
Summary: CVE-2024-26602 kernel: sched/membarrier: reduce the ability to hammer on sys_...
Keywords:
Status: NEW
Alias: CVE-2024-26602
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2267696
Blocks: 2262049
TreeView+ depends on / blocked
 
Reported: 2024-03-04 13:51 UTC by Mauro Matteo Cascella
Modified: 2024-05-02 22:50 UTC (History)
53 users (show)

Fixed In Version: kernel 4.19.307, kernel 5.4.269, kernel 5.10.210, kernel 5.15.149, kernel 6.1.79, kernel 6.6.18, kernel 6.7.6
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in sys_membarrier in the Linux kernel in sched/membarrier in how a user calls it at too high of a frequency. This flaw allows a local user to saturate the machine.
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2024:1338 0 None None None 2024-03-14 15:52:26 UTC
Red Hat Product Errata RHBA-2024:1350 0 None None None 2024-03-18 08:41:26 UTC
Red Hat Product Errata RHBA-2024:2634 0 None None None 2024-05-01 01:22:40 UTC
Red Hat Product Errata RHBA-2024:2650 0 None None None 2024-05-02 00:15:29 UTC
Red Hat Product Errata RHBA-2024:2680 0 None None None 2024-05-02 16:01:45 UTC
Red Hat Product Errata RHBA-2024:2686 0 None None None 2024-05-02 22:50:36 UTC
Red Hat Product Errata RHSA-2024:1249 0 None None None 2024-03-12 00:47:41 UTC
Red Hat Product Errata RHSA-2024:1250 0 None None None 2024-03-12 00:44:45 UTC
Red Hat Product Errata RHSA-2024:1306 0 None None None 2024-03-13 09:08:15 UTC
Red Hat Product Errata RHSA-2024:1332 0 None None None 2024-03-14 14:51:24 UTC
Red Hat Product Errata RHSA-2024:1532 0 None None None 2024-03-27 00:18:37 UTC
Red Hat Product Errata RHSA-2024:1533 0 None None None 2024-03-27 00:11:52 UTC
Red Hat Product Errata RHSA-2024:1653 0 None None None 2024-04-03 00:30:59 UTC
Red Hat Product Errata RHSA-2024:2006 0 None None None 2024-04-23 16:39:50 UTC
Red Hat Product Errata RHSA-2024:2008 0 None None None 2024-04-23 16:28:29 UTC
Red Hat Product Errata RHSA-2024:2394 0 None None None 2024-04-30 10:16:23 UTC
Red Hat Product Errata RHSA-2024:2582 0 None None None 2024-04-30 14:59:46 UTC
Red Hat Product Errata RHSA-2024:2585 0 None None None 2024-04-30 14:46:11 UTC

Description Mauro Matteo Cascella 2024-03-04 13:51:22 UTC 
In the Linux kernel, the following vulnerability has been resolved:

sched/membarrier: reduce the ability to hammer on sys_membarrier

The Linux kernel CVE team has assigned CVE-2024-26602 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024022414-CVE-2024-26602-5e76@gregkh/
Comment 1 Mauro Matteo Cascella 2024-03-04 13:51:57 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2267696]
Comment 3 Justin M. Forbes 2024-03-04 20:35:05 UTC 
This was fixed for Fedora with the 6.7.6 stable kernel update.
Comment 4 errata-xmlrpc 2024-03-12 00:44:42 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Extended Update Support

Via RHSA-2024:1250 https://access.redhat.com/errata/RHSA-2024:1250
Comment 5 errata-xmlrpc 2024-03-12 00:47:38 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2024:1249 https://access.redhat.com/errata/RHSA-2024:1249
Comment 6 errata-xmlrpc 2024-03-13 09:08:12 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Extended Update Support

Via RHSA-2024:1306 https://access.redhat.com/errata/RHSA-2024:1306
Comment 7 errata-xmlrpc 2024-03-14 14:51:20 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2024:1332 https://access.redhat.com/errata/RHSA-2024:1332
Comment 9 errata-xmlrpc 2024-03-27 00:11:49 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Extended Update Support

Via RHSA-2024:1533 https://access.redhat.com/errata/RHSA-2024:1533
Comment 10 errata-xmlrpc 2024-03-27 00:18:34 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Extended Update Support

Via RHSA-2024:1532 https://access.redhat.com/errata/RHSA-2024:1532
Comment 11 errata-xmlrpc 2024-04-03 00:30:56 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Extended Update Support

Via RHSA-2024:1653 https://access.redhat.com/errata/RHSA-2024:1653
Comment 13 errata-xmlrpc 2024-04-23 16:28:26 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Telecommunications Update Service

Via RHSA-2024:2008 https://access.redhat.com/errata/RHSA-2024:2008
Comment 14 errata-xmlrpc 2024-04-23 16:39:47 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Advanced Update Support
  Red Hat Enterprise Linux 8.2 Telecommunications Update Service
  Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions

Via RHSA-2024:2006 https://access.redhat.com/errata/RHSA-2024:2006
Comment 15 errata-xmlrpc 2024-04-30 10:16:21 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:2394 https://access.redhat.com/errata/RHSA-2024:2394
Comment 16 errata-xmlrpc 2024-04-30 14:46:07 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.4 Telecommunications Update Service
  Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions

Via RHSA-2024:2585 https://access.redhat.com/errata/RHSA-2024:2585
Comment 17 errata-xmlrpc 2024-04-30 14:59:43 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.4 Telecommunications Update Service
  Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions

Via RHSA-2024:2582 https://access.redhat.com/errata/RHSA-2024:2582
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