CVE-2023-3090

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

A heap out-of-bounds write vulnerability in the Linux Kernel ipvlan network driver can be exploited to achieve local privilege escalation.

The out-of-bounds write is caused by missing skb->cb initialization in the ipvlan network driver. The vulnerability is reachable if CONFIG_IPVLAN is enabled.

We recommend upgrading past commit 90cbed5247439a966b645b34eb0a2e037836ea8e.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

VendorProductVersions
LinuxKernel>= 3.19, < 6.4

References

Timeline

Published
Jun 28, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2023-3090: High severity, CVSS 7.8 | Vulnix