Incorrect calculation in Linux kernel - CVE-2026-72099

Vulnerability identifier: #VU143486

CSH Severity: Low

CVSS v4: 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]

CVE-ID: CVE-2026-72099

CWE-ID: CWE-682

Exploitation vector: Local access

Exploit availability: No public exploit available

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.

Linux kernel
Red Hat Enterprise Linux for Real Time
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat CodeReady Linux Builder for x86_64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for ARM 64
kernel (Red Hat package)
kernel-rt (Red Hat package)

Install security update from vendor's repository.

Linux kernel - update to 7.0 rc3
kernel (Red Hat package) - update to 4.18.0-553.170.1.el8_10
kernel-rt (Red Hat package) - update to 4.18.0-553.170.1.rt7.511.el8_10

• 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

• Incorrect calculation in Linux kernel md driver
• Red Hat Enterprise Linux 8 update for kernel-rt
• Red Hat Enterprise Linux 8 update for kernel