Integer overflow in Linux kernel - CVE-2026-89826
Published: September 17, 2026
Vulnerability identifier: #VU150455
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-89826
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to disclose sensitive information or cause a denial of service.
The vulnerability exists due to integer overflow and improper bounds checking in panthor_fw_read_build_info() when processing firmware build metadata. A local user can supply a firmware image containing crafted metadata values to disclose sensitive information or cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-89826
Install security update from vendor's repository.