Bug 2182441 (CVE-2023-26544) - CVE-2023-26544 kernel: ntfs3: use-after-free in run_unpack()
Summary: CVE-2023-26544 kernel: ntfs3: use-after-free in run_unpack()
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2023-26544
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: 2184959
Blocks: 2173493
TreeView+ depends on / blocked
 
Reported: 2023-03-28 16:21 UTC by Pedro Sampaio
Modified: 2023-04-06 15:51 UTC (History)
45 users (show)

Fixed In Version: kernel 6.2-rc1
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Last Closed: 2023-04-06 09:51:16 UTC
Embargoed:


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Description Pedro Sampaio 2023-03-28 16:21:27 UTC
In the Linux kernel 6.0.8, there is a use-after-free in run_unpack in fs/ntfs3/run.c, related to a difference between NTFS sector size and media sector size.

References:

https://lkml.org/lkml/2023/2/20/128

Comment 1 Mauro Matteo Cascella 2023-04-06 09:37:19 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2184959]

Comment 2 Mauro Matteo Cascella 2023-04-06 09:43:35 UTC
According to SUSE [1] this may have been fixed via commit 887bfc5460 ("fs/ntfs3: Fix slab-out-of-bounds read in run_unpack").

[1] https://bugzilla.suse.com/show_bug.cgi?id=1208697
[2] https://github.com/torvalds/linux/commit/887bfc5460

Comment 3 Justin M. Forbes 2023-04-06 15:51:54 UTC
This was fixed for Fedora with the 6.0.17 stable kernel updates.


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