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Linux EUVDEUVD-2026-93307

| CVE-2026-98322
2026-10-06 Linux GHSA-3mpf-hfgc-g8p2
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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:

netfilter: nft_nat: fully initialise new_addr in netmap setup

nft_nat_setup_netmap() builds the mapped address in an on-stack union nf_inet_addr. For an IPv4 mapping it writes only the 4-byte .ip member and the loop runs a single 32-bit iteration, but it then copies the whole 16-byte union into range->min_addr and range->max_addr, so the upper 12 bytes reach nf_nat_setup_info() uninitialised.

KMSAN reports an uninit-value in nf_nat_setup_info() reached from nft_nat_eval(). The IPv6 path fills all 16 bytes and is not affected.

Zero-initialise new_addr.

Affected VersionsENISA

Linux 3ff7ddb1353da9b535e65702704cbadea1da9a00 <1c43f5db482f74b41987c39c9c375a5e767556eb
Linux patch: 7.3-rc4
Linux patch: 6.1.189
Linux patch: 5.15.222
Linux patch: 6.6.158
Linux patch: 7.2.8
Linux patch: 6.18.54
Linux 3ff7ddb1353da9b535e65702704cbadea1da9a00 <161f5860c92a8ec80b6bdff16e79d70dcd8afc5a
Linux 3ff7ddb1353da9b535e65702704cbadea1da9a00 <e4982c489ee359162eee3ece1fb36082648464a5
Linux 3ff7ddb1353da9b535e65702704cbadea1da9a00 <d313499df66159b4b7971d760d16729598ab7e5a
Linux 3ff7ddb1353da9b535e65702704cbadea1da9a00 <eb2030137dba3b59cbb5057a33af70488d6bc231
Linux patch: 6.12.112
Linux patch: 0
Linux 3ff7ddb1353da9b535e65702704cbadea1da9a00 <7b9380c38c2fd2189416fa602bdbc5c8523b84b2
Linux patch: 5.10.271
Linux 5.8
Linux 3ff7ddb1353da9b535e65702704cbadea1da9a00 <0ce42c7b84032335abff9eac43762e4ca8224451
Linux 3ff7ddb1353da9b535e65702704cbadea1da9a00 <29365695842db0a97b701a43a09fad1b4f7ecf3e

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
Oct 06, 2026 - 10:02 EUVD
CVE Published
Oct 06, 2026 - 08:46 cve.org
UNKNOWN (no severity yet)

Threat Intelligence Overview

EPSS Score
0.2%
Top 89% exploitable
Threat Intel
1
1 sources
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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