Bug 2245711 (CVE-2023-45898) - CVE-2023-45898 kernel: use-after-free in fs/ext4/extents_status.c
Summary: CVE-2023-45898 kernel: use-after-free in fs/ext4/extents_status.c
Status: NEW
Alias: CVE-2023-45898
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Product Security
QA Contact:
Depends On: 2245937
Blocks: 2245709
TreeView+ depends on / blocked
Reported: 2023-10-23 17:55 UTC by Marco Benatto
Modified: 2023-10-24 17:32 UTC (History)
45 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
A use-after-free flaw was found in the EXT4 file system, related to ext4_es_insert_extent, in the Linux Kernel. This issue may allow an attacker to create a crafted EXT4 file system which will trigger the vulnerability and lead the kernel to PANIC, causing a denial of service on the targeted system.
Clone Of:
Last Closed:

Attachments (Terms of Use)

Comment 3 Alex 2023-10-24 16:29:38 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2245937]

Comment 4 Justin M. Forbes 2023-10-24 17:32:57 UTC
This was fixed for Fedora with the 6.5.4 stable kernel update.

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