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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2025-22072 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: spufs: fix gang directory lifetimes prior to "[POWERPC] spufs: Fix gang destroy leaks" we used to have a problem with gang lifetimes - creation of a gang returns opened gang directory, which normally gets removed when that gets closed, but if somebody has created a context belonging to that gang and kept it alive until the gang got closed, removal failed and we ended up with a leak. Unfortunately, it had been fixed the wrong way. Dentry of gang directory was no longer pinned, and rmdir on close was gone. One problem was that failure of open kept calling simple_rmdir() as cleanup, which meant an unbalanced dput(). Another bug was in the success case - gang creation incremented link count on root directory, but that was no longer undone when gang got destroyed. Fix consists of * reverting the commit in question * adding a counter to gang, protected by ->i_rwsem of gang directory inode. * having it set to 1 at creation time, dropped in both spufs_dir_close() and spufs_gang_close() and bumped in spufs_create_context(), provided that it's not 0. * using simple_recursive_removal() to take the gang directory out when counter reaches zero.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

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

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/029d8c711f5e5fe8cf63e8a4a1a140a06e224e45 kernel.org Patch 
https://git.kernel.org/stable/c/324f280806aab28ef757aecc18df419676c10ef8 kernel.org Patch 
https://git.kernel.org/stable/c/880e7b3da2e765c1f90c94c0539be039e96c7062 kernel.org Patch 
https://git.kernel.org/stable/c/903733782f3ae28a2f7fe4dfb47c7fe3e079a528 kernel.org Patch 
https://git.kernel.org/stable/c/c134deabf4784e155d360744d4a6a835b9de4dd4 kernel.org Patch 
https://git.kernel.org/stable/c/fc646a6c6d14b5d581f162a7e32999f789e3a3ac kernel.org Patch 
https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html CVE

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2025-22072
NVD Published Date:
04/16/2025
NVD Last Modified:
11/03/2025
Source:
kernel.org