Is there a patch available for EUVD-2026-86070?

Yes, a patch is available for EUVD-2026-86070. Update the affected software to the latest version immediately.

Linux EUVD-2026-86070

| CVE-2026-97472

2026-09-24 Linux

GHSA-qm2v-6h58-7fr4

Information Disclosure Linux

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Monitor Track and reassess. 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:

ipv6: addrconf: fix temp address generation after prefix deprecation

When a router temporarily deprecates an IPv6 prefix (either by sending a Router Advertisement with Preferred Lifetime = 0 or by letting the lifetime expire) and later restores it, the kernel permanently loses its ability to generate temporary privacy addresses (RFC 8981) for that prefix.

This happens because the address worker attempts to generate a replacement temporary address when the current one nears expiration. As the base prefix is deprecated already, the generation fails after marking the temporary address as already having spawned a replacement (ifp->regen_count++).

When the router eventually restores the prefix, the temporary address becomes active again. However, once it naturally expires, the address worker sees this temporary address already tried to generate one and skips the regeneration.

Fix the issue by resetting the regen_count check of the latest temp address generated for the prefix updated by the incoming RA.

Affected VersionsENISA

Linux 0 <6.12.111

Linux patch: 6.12.111

Linux patch: 6.18.53

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <bff7b87dfa28a1502c18d0c6f1fadda5162fa854

Linux 0 <6.18.53

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <4df5597c65446135362f72880995e8920f058fa0

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <e20d8922aa8fe441d291364c96c2179a005b79ea

Linux patch: 7.2

Affected Packages

euvd linux fix: 6.12.111, 6.18.53

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 24, 2026 - 17:03 EUVD

CVE Published

Sep 24, 2026 - 16:04 cve.org

UNKNOWN (no severity yet)

Threat Intelligence Overview

EPSS Score

0.2%

Top 95% exploitable

Data Quality

3 sources

Confidence: Low

EUVD

CVE.org

EPSS MSRC

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.