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CVE-2026-89618· NVD / CVE Program· CNA Linux

eventfs: Initialize ei->children and ei->list in init_ei()

In the Linux kernel, the following vulnerability has been resolved: eventfs: Initialize ei->children and ei->list in init_ei() eventfs_create_dir() allocates the eventfs_inode and initializes it with init_ei(). But this does not initialize the eventfs_inode list_heads. If the eventfs_create_dir() fails due to memory pressure, it will call free_ei() before it initialized the lists, and that checks to make sure the eventfs_inode has no children. But because the list wasn't initialized, it will give a false warning. Fix it by moving the list initialization into init_ei(). [ Rewrote change log ]

—No exploit Fix available
Published
Sep 11, 2026
Updated
Sep 14, 2026
EPSS
0.2% · 10th percentile
CWE
—
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Action score

0

Monitor

Low priority for now.

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

Affected systems

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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

    • 6.7affected
    • 35ee34c0f6d578c9d245438ca29bf2e7024a5a65 and later · before 069729282fbecfaa8a54062266c338ed23f08005affected · git
    • 5790b1fb3d672d9a1fe3881a7181dfdbe741568f and later · before c480f8af173d5b19c6d9c4311df6bbe352face9eaffected · git
    • 5790b1fb3d672d9a1fe3881a7181dfdbe741568f and later · before 5333e18e6b425fcc39c7fea89e3949a2a98bc5e4affected · git
    • 5790b1fb3d672d9a1fe3881a7181dfdbe741568f and later · before 76e0f85f650738d768449dbccbc7c55d05f5b609affected · git
    • 5790b1fb3d672d9a1fe3881a7181dfdbe741568f and later · before 1704aaaf5d22bc765c168402350d191e24e245bcaffected · git
    • 6.6.18 and later · before 6.6.157affected · semver
    • before 6.7not affected · semver
    • 6.6.157 and later · up to and including 6.6.*not affected · semver
    • 6.12.109 and later · up to and including 6.12.*not affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:13linuxbefore 6.12.111-16.12.111-1
Debian:14linuxbefore 7.2.6-17.2.6-1

Same product

linux: all records

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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 Linux069729282fbecfaa8a54062266c338ed23f08005Vendor (CNA)
Linux Linux1704aaaf5d22bc765c168402350d191e24e245bcVendor (CNA)
Linux Linux5333e18e6b425fcc39c7fea89e3949a2a98bc5e4Vendor (CNA)
Linux Linux6.6.157Vendor (CNA)
Linux Linux76e0f85f650738d768449dbccbc7c55d05f5b609Vendor (CNA)
Linux Linuxc480f8af173d5b19c6d9c4311df6bbe352face9eVendor (CNA)
debian:linux6.12.111-1 · Debian:13Package 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.

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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.

Noroxi analysis

No Noroxi analysis for this record yet

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Change log

  1. Fix✗ → ✓

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References

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

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