Linux EUVD-2026-93202

| CVE-2026-98274

2026-10-06 Linux

GHSA-566p-8rmw-5xmj

Information Disclosure Linux

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Monitor Track and reassess. Why: No CVSS yet + weak signal (CWE or non-zero EPSS).

No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisCVE.org

In the Linux kernel, the following vulnerability has been resolved:

net: psp: avoid conflicts with skb->decrypted and sk_validate_xmit_skb()

PSP conflicts with TLS ULP in its usage of both skb->decrypted and sk->sk_validate_xmit_skb().

Make PSP mutually exclusive with TLS ULP, the only other user of either of these. As other users of skb->decrypted come along, they can be added to sk_has_decrypt_user(). It would make sense to also assert that sk->sk_validate_xmit_skb() is also NULL in both of these setup paths for similar future proofing, but the PSP listener/sk_clone() path is still broken and it could be seen as a regression to not allow rx assoc to run on a child of a listener socket with PSP tx assoc state.

Include all TCP ULPs in the sk_has_decrypt_user() check, even though TLS is the only one that conflicts with PSP via the decrypted bit. This is intentional because PSP was not designed to be used with ULPs. It is best to close off surface area that may make bugs reachable, until someone wishes to design and test an actual user of PSP with ULPs.

Affected VersionsENISA

Linux 6b46ca260e2290e3453d1355ab5b6d283d73d780 <a13cca5ba5375f13cbdab545abfb5e288bef3f78

Linux 6.18

Linux patch: 6.18.54

Linux patch: 0

Linux patch: 7.2.8

Linux 6b46ca260e2290e3453d1355ab5b6d283d73d780 <c8c8c18862337c469e325c207601de3279847809

Linux patch: 7.3-rc4

Linux 6b46ca260e2290e3453d1355ab5b6d283d73d780 <a41f24c612c3f5139a3143307eb85bbcf1bd4d07

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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Threat Intelligence Overview

EPSS Score

0.2%

Top 94% 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 No

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.