Is there a patch available for CVE-2026-98871?

Yes, a patch is available for CVE-2026-98871. Update the affected software to the latest version immediately.

Linux CVE-2026-98871

EUVD-2026-108717

2026-10-23 Linux

GHSA-34hf-3mqj-6x9g

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:

crypto: ccp - Fix possible deadlock in SEV init failure path

__sev_platform_init_handle_init_ex_path() calls rmp_mark_pages_firmware() with locked=false while the parent function of init_ex_path already acquired the sev_cmd_mutex. In the case of an RMPUPDATE failure for any page after the first, the cleanup path would invoke reclaim pages which would result in a deadlock in sev_do_cmd.

Pass locked=true to honor the lock status of the parent function.

Affected VersionsENISA

Linux 7364a6fbca45f826952ea932699fb2171d06ee73 <8e7e06ee7c2938ee3fa31a61cc5289a45c8c13f1

Linux patch: 7.3

Linux 7364a6fbca45f826952ea932699fb2171d06ee73 <b0e7ec0dab242c5e480121ba12400d0513e37ca2

Linux 7364a6fbca45f826952ea932699fb2171d06ee73 <364f3841bc22c72b6e2cb72a1e3c91c9c8fc1ef4

Linux patch: 7.2.6

Linux 7364a6fbca45f826952ea932699fb2171d06ee73 <ffd3a3df92be697eb78118a146c6a5d5e6c1f724

Linux patch: 6.12.111

Linux 6.9

Linux patch: 0

Linux patch: 6.18.53

Affected Packages

euvd linux no fix

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

Oct 23, 2026 - 12:16 EUVD

CVE Published

Oct 23, 2026 - 11:37 cve.org

UNKNOWN (no severity yet)

Threat Intelligence Overview

EPSS Score

0.2%

Top 90% exploitable

Data Quality

2 sources

Confidence: Low

EUVD

CVE.org

EPSS

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.