Bug 2182680 (CVE-2023-23004) - CVE-2023-23004 kernel: incorrect check for error case in the malidp_check_pages_threshold
Summary: CVE-2023-23004 kernel: incorrect check for error case in the malidp_check_pag...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2023-23004
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:
Depends On: 2182681
Blocks: 2174642
TreeView+ depends on / blocked
 
Reported: 2023-03-29 10:34 UTC by Alex
Modified: 2023-04-06 16:01 UTC (History)
44 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
A NULL pointer dereference flaw was found in the Linux kernel's Mali-DP Device Driver. This flaw allows a local user to crash the system.
Clone Of:
Environment:
Last Closed: 2023-03-29 14:32:27 UTC
Embargoed:

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Description Alex 2023-03-29 10:34:48 UTC 
A flaw in the Linux Kenel found. In the function malidp_check_pages_threshold, there incorrect check of return value. The fix of NULL to IS_ERR() required, because the get_sg_table() function does not return NULL. It returns error pointers.

Reference:
https://github.com/torvalds/linux/commit/15342f930ebebcfe36f2415049736a77d7d2e045
Comment 1 Alex 2023-03-29 10:35:16 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2182681]
Comment 3 Product Security DevOps Team 2023-03-29 14:32:23 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-2023-23004
Comment 4 Justin M. Forbes 2023-04-06 16:01:49 UTC 
This was fixed for Fedora with the 5.19 stable kernel rebases.
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