Is CVE-2025-68226 in the CISA KEV catalog?

No. CVE-2025-68226 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the EPSS score for CVE-2025-68226?

CVE-2025-68226 has an EPSS score of 0.15% (5th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-68226?

Upgrade linux on debian unstable to 6.17.10-1 or later.

CVE & CISA-KEV Catalog

CVE-2025-68226

UNSCORED

NVD

Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix incomplete backport in cfids_invalidation_worker() The previous commit bdb596ceb4b7 ("smb: client: fix potential UAF in smb2_close_cached_fid()") was an incomplete backport and missed one kref_put() call in cfids_invalidation_worker() that should have been converted to close_cached_dir().

How to fix

Remediation Available

linuxDebian

Fixed in:6.17.10-1CVE-2025-68226

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3.1 Vector

No CVSS vector data available.

Exploit Intelligence

0.15%probability of exploitation in 30 days

5thpercentile

Low risk: more likely to be exploited than 5% of all known CVEs.

References

Other references1

git.kernel.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-18.