CVE-2026-98024

A flaw was found in the Linux kernel's s390 Internal Shared Memory ISM driver. This flaw allows a local user to cause a Denial of Service DoS due to memory corruption. During an error condition while allocating direct memory buffers, the driver incorrectly frees memory pages using an improper...

SUSE CVE-2026-74617

In the Linux kernel, the following vulnerability has been resolved: dibs: initialise dibs-lock in dibsdevalloc dibs-lock is initialised by dibsdevadd, but a dibs device can already take interrupts before that call: ismprobe runs ismdevinit, and hence requestirq, before it calls dibsdevadd. No...

Linux Distros Unpatched Vulnerability : CVE-2026-74690

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - s390/ism: Fix UAF of sba and ieq during ismdevexit A ism interrupt handler can be active in parallel with ismdevexit, accessing freed data structures. No new...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: s390/ism: The concurrency management in ismcmd has been fixed. The s390x ISM device datasheet clearly states that only one request-response sequence is allowed per ISM function at any given time. Unfortunately, as of today, the...

CVE-2025-39726

In the Linux kernel, the following vulnerability has been resolved: s390/ism: fix concurrency management in ismcmd The s390x ISM device data sheet clearly states that only one request-response sequence is allowable per ISM function at any point in time. Unfortunately as of today the s390/ism driv...

DEBIAN-CVE-2025-39726

In the Linux kernel, the following vulnerability has been resolved: s390/ism: fix concurrency management in ismcmd The s390x ISM device data sheet clearly states that only one request-response sequence is allowable per ISM function at any point in time. Unfortunately as of today the s390/ism driv...

CVE-2025-39726 s390/ism: fix concurrency management in ism_cmd()

In the Linux kernel, the following vulnerability has been resolved: s390/ism: fix concurrency management in ismcmd The s390x ISM device data sheet clearly states that only one request-response sequence is allowable per ISM function at any point in time. Unfortunately as of today the s390/ism driv...

PT-2025-36320

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel’s s390/ism driver did not properly manage concurrency in the ism cmd function, failing to adhere to the s390x ISM device data sheet’s requirement of allowing only one...