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CVE-2022-50377 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: ext4: check and assert if marking an no_delete evicting inode dirty In ext4_evict_inode(), if we evicting an inode in the 'no_delete' path, it cannot be raced by another mark_inode_dirty(). If it happens, someone else may accidentally dirty it without holding inode refcount and probably cause use-after-free issues in the writeback procedure. It's indiscoverable and hard to debug, so add an WARN_ON_ONCE() to check and detect this issue in advance.


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/0c026f975d24701766cf4ac63995ead9f6d57a59 kernel.org
https://git.kernel.org/stable/c/318cdc822c63b6e2befcfdc2088378ae6fa18def kernel.org
https://git.kernel.org/stable/c/9020f56a3cad1c97b81c7dab2aa67027b59c8f73 kernel.org
https://git.kernel.org/stable/c/91009e361e8cb2cbd1dc9496cb5fb4f8de3f4b11 kernel.org
https://git.kernel.org/stable/c/f1ec687ebd1bf146333955b7e209d21508c3ba9f kernel.org

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-50377
NVD Published Date:
09/18/2025
NVD Last Modified:
09/18/2025
Source:
kernel.org