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Vulnerability record · CVE-2026-64209 · published 24 July 2026

CVE-2026-64209: Linux kernel out-of-bounds read vulnerability

Linux · Linux Kernel

In the Linux kernel, the following vulnerability has been resolved: phy: qcom: qmp-usbc: Fix out-of-bounds array access in dp swing config swing_tbl and pre_emphasis_tbl are 4x4 arrays (valid indices 0-3), but the boundary check uses "> 4" instead of ">= 4", allowing index 4 to cause an out-of-bounds access.

7.1 CVSS 3.1 High EPSS 0.16% · top 95.9% CWE-125 · Out-of-bounds read
7.1CVSS 3.1 base score
0.16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
12 Aug 2026Last modified by NVD

Description

In the Linux kernel, the following vulnerability has been resolved: phy: qcom: qmp-usbc: Fix out-of-bounds array access in dp swing config swing_tbl and pre_emphasis_tbl are 4x4 arrays (valid indices 0-3), but the boundary check uses "> 4" instead of ">= 4", allowing index 4 to cause an out-of-bounds access.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.kernel.org/stable/c/cb35af6e7f3d5628178b58c631e305b1def8edf7 Patch
https://git.kernel.org/stable/c/ea17fc4d7dc2ba6459b1a318962960520201baf1 Patch

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Source: NIST National Vulnerability Database (record CVE-2026-64209), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.