Is there a patch available for EUVD-2026-108830?

Yes, a patch is available for EUVD-2026-108830. Update the affected software to the latest version immediately.

Linux EUVD-2026-108830

| CVE-2026-99035

2026-10-23 Linux

GHSA-pwxj-3q2q-r972

Information Disclosure Linux

View

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:

mmc: mtk-sd: Cancel request timeout work on remove

The driver queues req_timeout while a request is active. msdc_request_done() uses cancel_delayed_work(), which does not wait for a timeout callback that has already started.

The timeout callback calls mmc_request_done(), which wakes the request waiter, and then continues to use host->dev_comp and check the SDIO IRQ. During unbind, msdc_drv_remove() can return and the managed mmc_host can be freed before the callback finishes.

KASAN reported use-after-free accesses in msdc_request_done() and msdc_recheck_sdio_irq() in each of three unbind tests. The same tests completed without a kernel diagnostic after this change.

Call cancel_delayed_work_sync() after mmc_remove_host() has stopped new requests and before the driver releases the host resources.

Affected VersionsENISA

Linux patch: 6.12.113

Linux 208489032bdd8d4a7de50f3057c175058f271956 <46e75703ca3f00fb8c935b3ce35b90836e34e8af

Linux 208489032bdd8d4a7de50f3057c175058f271956 <f37e0367ad6f2147a0b37564b442b7a25bec0d23

Linux 208489032bdd8d4a7de50f3057c175058f271956 <b38af5386a74416e898955443f2e26547b358cb2

Linux patch: 6.18.57

Linux 208489032bdd8d4a7de50f3057c175058f271956 <9e799f25c420e759641eb25102967ea091fc758f

Linux 4.2

Linux patch: 0

Linux patch: 6.6.160

Linux patch: 7.3

Linux 208489032bdd8d4a7de50f3057c175058f271956 <edef1355224c0799a502a46b71d3649fa0dd218e

Linux patch: 7.2.11

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 - 13:17 EUVD

CVE Published

Oct 23, 2026 - 12:21 cve.org

UNKNOWN (no severity yet)

Threat Intelligence Overview

EPSS Score

0.2%

Top 89% 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.