// For flags

CVE-2022-50845

ext4: fix inode leak in ext4_xattr_inode_create() on an error path

Severity Score

"-"
*CVSS v-

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

In the Linux kernel, the following vulnerability has been resolved: ext4: fix inode leak in ext4_xattr_inode_create() on an error path There is issue as follows when do setxattr with inject fault: [localhost]# fsck.ext4 -fn /dev/sda
e2fsck 1.46.6-rc1 (12-Sep-2022)
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Unattached zero-length inode 15. Clear? no Unattached inode 15
Connect to /lost+found? no Pass 5: Checking group summary information /dev/sda: ********** WARNING: Filesystem still has errors ********** /dev/sda: 15/655360 files (0.0% non-contiguous), 66755/2621440 blocks This occurs in 'ext4_xattr_inode_create()'. If 'ext4_mark_inode_dirty()'
fails, dropping i_nlink of the inode is needed. Or will lead to inode leak.

*Credits: N/A
CVSS Scores
Attack Vector
-
Attack Complexity
-
Privileges Required
-
User Interaction
-
Scope
-
Confidentiality
-
Integrity
-
Availability
-
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2025-12-30 CVE Reserved
  • 2025-12-30 CVE Published
  • 2026-01-02 CVE Updated
  • 2026-01-05 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Linux
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Linux Kernel
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>= 4.13 < 4.14.303
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en
Affected
Linux
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Linux Kernel
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>= 4.13 < 4.19.270
Search vendor "Linux" for product "Linux Kernel" and version " >= 4.13 < 4.19.270"
en
Affected
Linux
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Linux Kernel
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>= 4.13 < 5.4.229
Search vendor "Linux" for product "Linux Kernel" and version " >= 4.13 < 5.4.229"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
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>= 4.13 < 5.10.163
Search vendor "Linux" for product "Linux Kernel" and version " >= 4.13 < 5.10.163"
en
Affected
Linux
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Linux Kernel
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>= 4.13 < 5.15.87
Search vendor "Linux" for product "Linux Kernel" and version " >= 4.13 < 5.15.87"
en
Affected
Linux
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Linux Kernel
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>= 4.13 < 6.0.18
Search vendor "Linux" for product "Linux Kernel" and version " >= 4.13 < 6.0.18"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
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>= 4.13 < 6.1.4
Search vendor "Linux" for product "Linux Kernel" and version " >= 4.13 < 6.1.4"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 4.13 < 6.2
Search vendor "Linux" for product "Linux Kernel" and version " >= 4.13 < 6.2"
en
Affected