SB2026052880 - Stack-based buffer overflow in Linux kernel hwmon driver
Published: May 28, 2026
Security Bulletin ID
SB2026052880
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Stack-based buffer overflow (CVE-ID: CVE-2026-46001)
CWE-ID: CWE-121 - Stack-based buffer overflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local attacker to cause a denial of service.
The vulnerability exists due to a stack-based buffer overflow in pt5161l_read_block_data() when reading block data from an i2c device. A local attacker can cause a device to return more than 24 bytes to trigger a stack overrun and cause a denial of service.
Remediation
Install update from vendor's website.