SB20260816422 - Incorrect calculation in Linux kernel md driver
Published: August 16, 2026
Security Bulletin ID
SB20260816422
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) Incorrect calculation (CVE-ID: CVE-2026-72099)
CWE-ID: CWE-682 - Incorrect Calculation
CVSSv4: 6.8 [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]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper calculation in dm-integrity when processing integrity metadata tags. A local user can trigger incorrect hash offset handling to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/4f4e43337e9ef322595201cfc24def50fd624219
- https://git.kernel.org/stable/c/5dfd8042635278613da3b88553e25ade2103cd58
- https://git.kernel.org/stable/c/829476c06496aab018f14127c055adb164d1a750
- https://git.kernel.org/stable/c/cf9feed8c131e303ecf2afebe6f791be018818ad
- https://git.kernel.org/stable/c/edf025f083854f80032b73a1aad69a3c90db236f