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Linux CVE-2026-98325

| EUVDEUVD-2026-93310
2026-10-06 Linux GHSA-3437-mcr8-jcvh
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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:

wifi: mac80211: set up the TX info early to fix failure paths

The previous commit 2c51457d930f ("wifi: mac80211: free ack status frame on TX header build failure") cleaned up the leak, but still left the code a bit messy and the failed SKB didn't get reported to userspace.

Fix this up by initialising skb->cb[] earlier, which allows using ieee80211_free_txskb() and therefore reports it for the failure in ieee80211_build_hdr(), and unifies the ieee80211_skb_resize() failure path with it.

Affected VersionsENISA

Linux 3.6.3 <3.7
Linux c3e7724b6bc2f25e46c38dbe68f09d71fafeafb8 <36e6f0a5e6d7238f4023e77f423c1c1414374309
Linux patch: 0
Linux patch: 6.12.112
Linux fd39be7ff6f81f2dc91ba6e5f87944abef5b4802
Linux c3e7724b6bc2f25e46c38dbe68f09d71fafeafb8 <0fb37d2b6cb829cebdaea80f39011469f474bdcc
Linux 3.7
Linux c3e7724b6bc2f25e46c38dbe68f09d71fafeafb8 <420fcc2fdeae6ecd682d2b1605a0a54c88aed4aa
Linux c3e7724b6bc2f25e46c38dbe68f09d71fafeafb8 <03d67414bd05b86029afc14535238a9393eac1c6
Linux c3e7724b6bc2f25e46c38dbe68f09d71fafeafb8 <df711e9fa20d7e996711c7f43a11a71805bef78d
Linux patch: 6.1.189
Linux patch: 7.3-rc4
Linux c3e7724b6bc2f25e46c38dbe68f09d71fafeafb8 <50d3d79dc0743b616afb00d01a626c76758721f7
Linux patch: 7.2.8
Linux patch: 6.18.54
Linux patch: 6.6.158

Affected Packages

euvd linux fix: 3.7

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

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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 93% 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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