Bug 2179668 (CVE-2023-26606) - CVE-2023-26606 kernel: ntfs3: use-after-free read in ntfs_trim_fs()
Summary: CVE-2023-26606 kernel: ntfs3: use-after-free read in ntfs_trim_fs()
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2023-26606
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: 2179669
Blocks: 2173495
TreeView+ depends on / blocked
 
Reported: 2023-03-19 17:36 UTC by Mauro Matteo Cascella
Modified: 2023-03-21 13:21 UTC (History)
38 users (show)

Fixed In Version: kernel 6.2-rc1
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Environment:
Last Closed: 2023-03-19 21:30:46 UTC
Embargoed:

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Description Mauro Matteo Cascella 2023-03-19 17:36:15 UTC 
NVD description: In the Linux kernel 6.0.8, there is a use-after-free in ntfs_trim_fs in fs/ntfs3/bitmap.c.

Reference:
https://lkml.org/lkml/2023/2/20/860
Comment 1 Mauro Matteo Cascella 2023-03-19 17:36:40 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2179669]
Comment 2 Mauro Matteo Cascella 2023-03-19 17:39:46 UTC 
syzkaller reproducer: https://gist.github.com/oswalpalash/113c274067bc9c4c653a6dd09fb2e456

According to SUSE [1] this flaw was fixed in upstream commit 557d19675a47: https://github.com/torvalds/linux/commit/557d19675a47

[1] https://bugzilla.suse.com/show_bug.cgi?id=1208694
Comment 3 Product Security DevOps Team 2023-03-19 21:30:44 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-2023-26606
Comment 4 Justin M. Forbes 2023-03-21 12:51:51 UTC 
This was fixed for Fedora with the 6.0.16 stable kernel updates.
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