Bug 2179680 (CVE-2023-26605) - CVE-2023-26605 kernel: fs: use-after-free in inode_cgwb_move_to_attached()
Summary: CVE-2023-26605 kernel: fs: use-after-free in inode_cgwb_move_to_attached()
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2023-26605
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: 2179681
Blocks: Embargoed2173495
TreeView+ depends on / blocked
 
Reported: 2023-03-19 18:36 UTC by Mauro Matteo Cascella
Modified: 2023-03-21 13:21 UTC (History)
38 users (show)

Fixed In Version: kernel 6.1-rc7
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Clone Of:
Environment:
Last Closed: 2023-03-19 22:01:10 UTC

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Description Mauro Matteo Cascella 2023-03-19 18:36:36 UTC 
NVD description: In the Linux kernel 6.0.8, there is a use-after-free in inode_cgwb_move_to_attached in fs/fs-writeback.c, related to __list_del_entry_valid.

Reference:
https://lkml.org/lkml/2023/2/22/3

Upstream patch & commit:
https://lore.kernel.org/r/20221115202001.324188-1-feldsherov@google.com
https://github.com/torvalds/linux/commit/4e3c51f4e805291b057d12f5dda5aeb50a538dc4
Comment 1 Mauro Matteo Cascella 2023-03-19 18:37:01 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2179681]
Comment 2 Product Security DevOps Team 2023-03-19 22:01:07 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-2023-26605
Comment 3 Justin M. Forbes 2023-03-21 12:57:17 UTC 
This was resolved for Fedora with the 6.0.11 stable kernel updates.
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