CVE-2020-10751

What it is

A flaw was found in the Linux kernels SELinux LSM hook implementation before version 5.7, where it incorrectly assumed that an skb would only contain a single netlink message. The hook would incorrectly only validate the first netlink message in the skb and allow or deny the rest of the messages within the skb with the granted permission without further processing.

At a glance

Exploitability

Can be exploited locally on the machine with a low-privilege account. High risk of data exposure.

Exploit odds

0.3% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2020-05-26 15:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 02:48 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.3% in the next 30 days (EPSS).
• Severity: 6.1 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2020-05-26 15:15 UTC

Last modified

2026-06-17 02:48 UTC

Exploit probability

0.3% · EPSS, next 30 days

Weakness

CWE-349

Record status

Modified

Affected

• Kernel Selinux < 5.7
• Redhat Enterprise Linux Server 7.0
• Redhat Enterprise Linux Server 8.0

Attack profile CVSS 3.1 · 6.1

Attack vector

Local

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2020-10751.md and follow it. Check whether this project is affected by CVE-2020-10751. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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