Is there a patch available for CVE-2026-97610?

Yes, a patch is available for CVE-2026-97610. Update the affected software to the latest version immediately.

Linux CVE-2026-97610

EUVD-2026-86741

2026-09-25 Linux

GHSA-x5p7-qjx7-h5j9

Information Disclosure Linux

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Awaiting Data No severity or threat signals available yet. Label will update when CVSS score is published or threat intelligence arrives. Why: No CVSS yet + weak signal (CWE or non-zero EPSS).

Patch available 0.2% exploitation probability (EPSS)

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AnalysisCVE.org

In the Linux kernel, the following vulnerability has been resolved:

netfs: Fix uninitialized return value in netfs_unbuffered_write()

If preparation of the first subrequest fails, netfs_unbuffered_write() exits its loop before ret is initialized. The empty-iterator check can do the same.

For synchronous writes, netfs_unbuffered_write_iter_locked() may then return an unrelated error instead of wreq->error. This is reachable through CIFS if cifs_prepare_write() fails to reopen the file or obtain credits.

Initialize ret to 0 so the caller returns wreq->error if no data was written, or the number of bytes already written otherwise.

Found with Clang's -Wconditional-uninitialized.

Affected VersionsENISA

Linux patch: 7.3-rc3

Linux a0b4c7a49137ed21279f354eb59f49ddae8dffc2 <2e38d500471d097cda87d7d374bbc1b13493075d

Linux 6.18.17 <6.18.53

Linux 7.0

Linux 6.19.7 <6.20

Linux 72d08d2839649d1c5efbe375751f4473fa4486af <3d038eebdbd400c3bc4b66bd8aa0dff0c2bcce26

Linux patch: 0

Linux patch: 6.18.53

Linux 0c29f6d63122a0168d67cb8ecde5b4cf7fe4acb0

Linux patch: 7.2.7

Linux a0b4c7a49137ed21279f354eb59f49ddae8dffc2 <f18e8774f4d3137fa0a5fb8ffa83d59a719666d8

Affected Packages

euvd linux fix: 6.18.53, 6.20

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

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Exploit and PoC references, threat intelligence from 22 sources

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Lifecycle Timeline

Patch available

Sep 25, 2026 - 11:02 EUVD

CVE Published

Sep 25, 2026 - 10:22 cve.org

UNKNOWN (no severity yet)

Threat Intelligence Overview

EPSS Score

0.2%

Top 91% exploitable

Data Quality

2 sources

Confidence: Low

EUVD

CVE.org

EPSS

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity Not scored yet

CISA KEV No

Public POC No

EPSS 0.2%

Patch available Yes

Active threat No

Deciding rule

No CVSS yet + weak signal (CWE or non-zero EPSS)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.