Integer overflow in Linux kernel - CVE-2026-93182

Vulnerability identifier: #VU150811

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-2026-93182

CWE-ID: CWE-190

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 an integer overflow in update_tg_cfs_runnable() in the fair scheduler when processing scheduler runnable-load updates. A local user can run a hackbench workload to cause a denial of service.

Linux kernel
Debian Linux
Ubuntu
linux (Ubuntu package)
linux-aws (Ubuntu package)
linux-gcp (Ubuntu package)
linux-oracle (Ubuntu package)
linux-ibm (Ubuntu package)
linux-hwe-7.0 (Ubuntu package)
linux-oem-7.0 (Ubuntu package)
linux (Debian package)

Install security update from vendor's repository.

linux (Ubuntu package) - update to 7.0.0-42.42
linux-aws (Ubuntu package) - update to 7.0.0-1016.17
linux-gcp (Ubuntu package) - update to 7.0.0-1016.18
linux-oracle (Ubuntu package) - update to 7.0.0-1015.16
linux-ibm (Ubuntu package) - update to 7.0.0-1017.17
linux-hwe-7.0 (Ubuntu package) - update to 7.0.0-42.42~24.04.1
linux-oem-7.0 (Ubuntu package) - update to 7.0.0-1017.17
linux (Debian package) - update to 6.12.111-1

• https://git.kernel.org/stable/c/18fdd0978ec3dda0ff6865cd273e47e022180710
• https://git.kernel.org/stable/c/39d707097a0820c6e87eff4195f0940e8ff1147e
• https://git.kernel.org/stable/c/4f166adb5cb0525d9e32d45729fd8f28c80acbee
• https://git.kernel.org/stable/c/69fafae4eb2c9fc9bcff1bcbfcccf5d197434d75
• https://git.kernel.org/stable/c/7cc237e3bc1733928313d2462b413ae441b0eef3
• https://git.kernel.org/stable/c/f94e62d21faad5e244d0874598a4d0ebbc0ea405

• Integer overflow in Linux kernel sched
• Debian update for linux
• Ubuntu update for linux-oem-7.0
• Ubuntu update for linux, linux-aws, linux-gcp and more