Out-of-bounds read in Linux kernel - CVE-2026-43005
Published: May 2, 2026
Vulnerability identifier: #VU128903
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-43005
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to disclose sensitive information.
The vulnerability exists due to an out-of-bounds read in tps53679_identify_chip() when handling a zero-length block read from i2c_smbus_read_block_data(). A local user can trigger a zero-length block read to disclose sensitive information.
Affected software
Linux kernel
How to mitigate CVE-2026-43005
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3