Bug 2137979 (CVE-2022-3707) - CVE-2022-3707 kernel: Double-free in split_2MB_gtt_entry when function intel_gvt_dma_map_guest_page failed
Summary: CVE-2022-3707 kernel: Double-free in split_2MB_gtt_entry when function intel_...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2022-3707
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
: 2134591 (view as bug list)
Depends On: 2138001 2138003 2138004 2138005 2138006
Blocks: 2133476 2175296
TreeView+ depends on / blocked
 
Reported: 2022-10-26 19:41 UTC by Alex
Modified: 2024-02-08 16:51 UTC (History)
54 users (show)

Fixed In Version: Linux kernel 6.1-rc3
Doc Type: If docs needed, set a value
Doc Text:
A double-free memory flaw was found in the Linux kernel. The Intel GVT-g graphics driver triggers VGA card system resource overload, causing a fail in the intel_gvt_dma_map_guest_page function. This issue could allow a local user to crash the system.
Clone Of:
Environment:
Last Closed: 2023-05-16 20:35:58 UTC
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2023:2148 0 None None None 2023-05-09 07:12:16 UTC
Red Hat Product Errata RHSA-2023:2458 0 None None None 2023-05-09 07:51:54 UTC
Red Hat Product Errata RHSA-2023:2736 0 None None None 2023-05-16 08:05:35 UTC
Red Hat Product Errata RHSA-2023:2951 0 None None None 2023-05-16 08:34:21 UTC
Red Hat Product Errata RHSA-2024:0724 0 None None None 2024-02-07 16:29:29 UTC

Description Alex 2022-10-26 19:41:03 UTC 
A deouble-free flaw in the Linux Kernel Intel GVT-g graphics driver found. The problem happens when some system resource on high cost. One way to trigger is to make dma high load. When it gets into the situation when function intel_gvt_dma_map_guest_page failed, the flaw being triggered.

Reference:
https://lore.kernel.org/all/20221007013708.1946061-1-zyytlz.wz@163.com/
Comment 1 Alex 2022-10-26 20:18:38 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2138001]
Comment 4 Justin M. Forbes 2022-11-08 15:41:58 UTC 
Isn't this a dup of https://bugzilla.redhat.com/show_bug.cgi?id=2134596  just with a CVE number associated?
Comment 8 Justin M. Forbes 2023-01-19 22:58:07 UTC 
This was fixed for Fedora with the 6.1.5 stable kernel rebases.
Comment 9 Jocelyn Falempe 2023-01-31 13:59:32 UTC 
FYI, the fix was also backported to v6.0.19

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=bb84f2e119accfc65d5fa6ebe31751cdc3bca9fb
Comment 12 Rohit Keshri 2023-04-04 16:08:54 UTC 
*** Bug 2134591 has been marked as a duplicate of this bug. ***
Comment 13 errata-xmlrpc 2023-05-09 07:12:12 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:2148 https://access.redhat.com/errata/RHSA-2023:2148
Comment 14 errata-xmlrpc 2023-05-09 07:51:51 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:2458 https://access.redhat.com/errata/RHSA-2023:2458
Comment 15 errata-xmlrpc 2023-05-16 08:05:32 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2023:2736 https://access.redhat.com/errata/RHSA-2023:2736
Comment 16 errata-xmlrpc 2023-05-16 08:34:17 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2023:2951 https://access.redhat.com/errata/RHSA-2023:2951
Comment 17 Product Security DevOps Team 2023-05-16 20:35:54 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-2022-3707
Comment 20 errata-xmlrpc 2024-02-07 16:29:24 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Extended Update Support

Via RHSA-2024:0724 https://access.redhat.com/errata/RHSA-2024:0724
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