Bug 2209238 (CVE-2023-21106) - CVE-2023-21106 kernel: possible memory corruption due to double free
Summary: CVE-2023-21106 kernel: possible memory corruption due to double free
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2023-21106
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: 2209240
Blocks: 2209239
TreeView+ depends on / blocked
 
Reported: 2023-05-23 07:53 UTC by Dhananjay Arunesh
Modified: 2023-05-23 21:34 UTC (History)
44 users (show)

Fixed In Version: Kernel 6.2-rc5
Doc Type: If docs needed, set a value
Doc Text:
A double-free vulnerability was found in adreno_set_param in drivers/gpu/drm/msm/adreno/adreno_gpu.c in the DRM subsystem in the Linux Kernel. This flaw could lead to local privilege escalation.
Clone Of:
Environment:
Last Closed: 2023-05-23 13:41:26 UTC
Embargoed:

Attachments (Terms of Use)

Description Dhananjay Arunesh 2023-05-23 07:53:22 UTC 
In adreno_set_param of adreno_gpu.c, there is a possible memory corruption due to a double free. This could lead to local escalation of privilege with no additional execution privileges needed. 

References:
https://source.android.com/security/bulletin/2023-05-01
Comment 1 Dhananjay Arunesh 2023-05-23 07:55:35 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2209240]
Comment 3 Rohit Keshri 2023-05-23 08:56:51 UTC 
There was no shipped kernel version were seen affected with this problem. These files are not built in our source code.
Comment 6 Product Security DevOps Team 2023-05-23 13:41:22 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-2023-21106
Comment 7 Justin M. Forbes 2023-05-23 19:50:10 UTC 
This was fixed for Fedora with the 6.1.9 stable kernel updates.
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