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CVE-2022-50845· NVD / CVE Program· CNA Linux

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

Noroxi assessment

Priority: Monitor (action score 0/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.25% (FIRST EPSS).
  • Fixed version: Linux Linux 0f709e08caffb41bbc9b38b9a4c1bd0769794007, 322cf639b0b7f137543072c55545adab782b3a25, 70e5b46beba64706430a87a6d516054225e8ac8a.

Low priority for now. Upgrade to Linux Linux 0f709e08caffb41bbc9b38b9a4c1bd0769794007, 322cf639b0b7f137543072c55545adab782b3a25, 70e5b46beba64706430a87a6d516054225e8ac8a or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

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.

—No exploit Fix available
Published
Dec 30, 2025
Updated
Jun 17, 2026
EPSS
0.2% · 15th percentile
CWE
—

Report tools

JSON

Action score

0

Monitor

Low priority for now.

CVSS
0 / 40 · —
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux Linux

    • 4.13affected
    • bd3b963b273e247e13979f98812a6e4979b5c1e4 and later · before 0f709e08caffb41bbc9b38b9a4c1bd0769794007affected · git
    • bd3b963b273e247e13979f98812a6e4979b5c1e4 and later · before eab94a46560f68d4bcd15222701ced479f84f427affected · git
    • bd3b963b273e247e13979f98812a6e4979b5c1e4 and later · before 9ef603086c5b796fde1c7f22a17d0fc826ba54cbaffected · git
    • bd3b963b273e247e13979f98812a6e4979b5c1e4 and later · before 9882601ee689975c1c0076ee65bf222a2a35e535affected · git
    • bd3b963b273e247e13979f98812a6e4979b5c1e4 and later · before 322cf639b0b7f137543072c55545adab782b3a25affected · git
    • bd3b963b273e247e13979f98812a6e4979b5c1e4 and later · before fdaaf45786dc8c17a72901021772520fceb18f8caffected · git
    • bd3b963b273e247e13979f98812a6e4979b5c1e4 and later · before 70e5b46beba64706430a87a6d516054225e8ac8aaffected · git
    • bd3b963b273e247e13979f98812a6e4979b5c1e4 and later · before e4db04f7d3dbbe16680e0ded27ea2a65b10f766aaffected · git
    • before 4.13not affected · semver

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.4-16.1.4-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

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Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Linux Linux0f709e08caffb41bbc9b38b9a4c1bd0769794007Vendor (CNA)
Linux Linux322cf639b0b7f137543072c55545adab782b3a25Vendor (CNA)
Linux Linux70e5b46beba64706430a87a6d516054225e8ac8aVendor (CNA)
Linux Linux9882601ee689975c1c0076ee65bf222a2a35e535Vendor (CNA)
Linux Linux9ef603086c5b796fde1c7f22a17d0fc826ba54cbVendor (CNA)
Linux Linuxe4db04f7d3dbbe16680e0ded27ea2a65b10f766aVendor (CNA)
Linux Linuxeab94a46560f68d4bcd15222701ced479f84f427Vendor (CNA)
Linux Linuxfdaaf45786dc8c17a72901021772520fceb18f8cVendor (CNA)
debian:linux6.1.4-1 · Debian:12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

No CVSS vector for this record, so attack conditions can't be derived.

Weakness class (CWE)

—

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (7 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records