Out-of-bounds read in Linux kernel - CVE-2026-64571
Published: August 6, 2026
Vulnerability identifier: #VU141036
CSH Severity: Low
CVSS v4: 2.4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-64571
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows an attacker with physical access to disclose sensitive information.
The vulnerability exists due to an out-of-bounds read in p54_rx_eeprom_readback() when processing a device-supplied EEPROM readback frame. An attacker with physical access can send a truncated frame with a matching advertised length to disclose sensitive information.
The issue can be triggered by a malicious USB device.
Affected software
Linux kernel
How to mitigate CVE-2026-64571
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3
External References
- https://git.kernel.org/stable/c/25c3b85af3fc4f8043159b14e65790fc3bbdaf48
- https://git.kernel.org/stable/c/9096e1f7014174067239a63df18ae5f28301990d
- https://git.kernel.org/stable/c/d38f5d868a0a4770e3bcd0925e16c46acdbc9509
- https://git.kernel.org/stable/c/ebd6d37fa94bee929e0b4c9ca19fdf9b1dcf6cea
- https://git.kernel.org/stable/c/f46f8f9c43fd02f4dd5f716d4bda296a523c04f0