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CVE-2026-98476 Details

Description

In the Linux kernel, the following vulnerability has been resolved: s390/cio: Fix NULL pointer dereference in ccw_device_get_util_str() The channel path registry entry associated with a CHPID may be removed while the subchannel's PMCW still references that CHPID. In this case, chpid_to_chp() can return NULL, leading to a NULL pointer dereference. Add the missing NULL check before dereferencing the returned pointer.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://git.kernel.org/stable/c/27e396a89f76f742abdbe9f8c4a58a6e806fdf59	kernel.org
https://git.kernel.org/stable/c/44b16b02608058fc72198ac0205969f0f43065df	kernel.org
https://git.kernel.org/stable/c/5b76268dac968612f7283d59b539036de955b7d9	kernel.org
https://git.kernel.org/stable/c/5e006ac90a4d331db1dd712b91fec849b45ffc01	kernel.org
https://git.kernel.org/stable/c/5fc54e04dad90b15d0430118b3f288a1d64e66c9	kernel.org
https://git.kernel.org/stable/c/9d8b21820caed9128945fffcedf03e2a4c21eee2	kernel.org
https://git.kernel.org/stable/c/c3bbcb32deecc06ebb1762398399b566d5ff2fc9	kernel.org
https://git.kernel.org/stable/c/dbf30e661ceb9a52c94c85719716391dcc29142a	kernel.org

see all 8 references

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Oct 19, 2026	CVE Modified	kernel.org
Oct 18, 2026	New CVE Received	kernel.org