SB20260507169 - Division by zero in Linux kernel i2c ccs driver
Published: May 7, 2026
Security Bulletin ID
SB20260507169
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) Division by zero (CVE-ID: CVE-2026-43182)
CWE-ID: CWE-369 - Divide By Zero
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 user to cause a denial of service.
The vulnerability exists due to improper input validation in the ccs driver scaler configuration logic when calculating the maximum M value using the MIN_X_OUTPUT_SIZE limit register value. A local user can trigger the vulnerable calculation to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/32a21ed2ad743fe2d12af48e627089b921a032c2
- https://git.kernel.org/stable/c/679f0b7b6a409750a25754c8833e268e5fdde742
- https://git.kernel.org/stable/c/8ca7df18e7a58a0e5b0ed9eaaa34e16fc5cb9680
- https://git.kernel.org/stable/c/9aae0f31d37a8facd25e37c0f0709ea08de83802
- https://git.kernel.org/stable/c/a8ff58cc8c7514c278ba0ea2c787d4bf9eeb355d
- https://git.kernel.org/stable/c/b6e0529c300e44153fc6f3b565e28163caf1f031
- https://git.kernel.org/stable/c/c9af1818387f5c6f543e2e02c40b3038eae86be8