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Linux CVE-2026-97613

| EUVDEUVD-2026-86744
2026-09-25 Linux GHSA-7qp2-8vhf-pgwx
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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:

net: mana: Reserve extra CQ slot for the fence completion CQE

The RX completion queue is sized to hold exactly one CQE per posted RX WQE. MANA_FENCE_RQ makes hardware post an additional CQE_RX_OBJECT_FENCE after the packet CQEs. The current sizing reserves no extra slot for it and in rare cases, CQ has no guaranteed slot for the fence CQE when it is full of packet CQEs. This can lead to dropping the fence completion while the driver waits holding RTNL lock throughout the timeout duration. Reserve one extra CQE slot for CQE_RX_OBJECT_FENCE. mana_gd_alloc_memory() requires queue_size to be a power-of-two and at least MANA_PAGE_SIZE; the reservation pushes cq_size past a power-of-two, so round up the CQ size in mana_create_rxq().

Affected VersionsENISA

Linux patch: 7.2.7
Linux 5.17
Linux 6cc74443a7732d7e93bee3d0c3704a22cc7274d9 <6c739cb89ebd6cf225dac46d2721e11927a7ead4
Linux patch: 0
Linux 6cc74443a7732d7e93bee3d0c3704a22cc7274d9 <62eb52454afcc1d390b8624c5d1ddc92cf382f39
Linux patch: 6.18.53
Linux patch: 6.12.111
Linux 6cc74443a7732d7e93bee3d0c3704a22cc7274d9 <1e43c407624d2111c19d4d8ffe9b2191a0ec42de
Linux 6cc74443a7732d7e93bee3d0c3704a22cc7274d9 <80dd7e754b3aa9637a0758ad93fa209f9650ec48
Linux patch: 7.3-rc3

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

2
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
3 sources
Confidence: Low

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

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