CVE-2026-74617

Last refreshed2026-10-15

Status: UPDATED | Advisory ID: CVE-2026-74617

Key Details

CVE	CVE-2026-74617
CVSS Score / Version	9.8 (Critical) / CVSS v3.1
Updated	2026-10-14
CVSS Vector	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`
CVSS Prose	attack vector is network; attack complexity is low; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected products	Linux Kernel

Vendor	Product	Affected Versions	Patch Status
Linux	Linux Kernel

Vendor

Product

Affected Versions

Patch Status

Linux

Linux Kernel

Subsystems	OT Supporting Infrastructure
Sectors	All Sectors

In the Linux kernel, the following vulnerability has been resolved:

dibs: initialise dibs->lock in dibs_dev_alloc()

dibs->lock is initialised by dibs_dev_add(), but a dibs device can

already take interrupts before that call: ism_probe() runs

ism_dev_init(), and hence request_irq(), before it calls

dibs_dev_add(). No client can have registered a dmb at that point, so

no dmb interrupt can occur, but a GID event interrupt can, and

ism_handle_irq() takes dibs->lock unconditionally on entry, before it

inspects anything else.

Initialise the lock in dibs_dev_alloc() instead, so that it is valid as

soon as a driver can publish the device to its interrupt handler. (NVD)

Monitor Linux's web page for any future patch releases.

Source	Reference
NVD	https://nvd.nist.gov/vuln/detail/CVE-2026-74617
CVE	https://www.cve.org/CVERecord?id=CVE-2026-74617

Source

Reference

NVD

CVE