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CVE-2026-98476

s390/cio: Fix NULL pointer dereference in ccw_device_get_util_str()

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.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 199652309a4d6635fca19d7528d73ab9e219bd9a
Version < 9d8b21820caed9128945fffcedf03e2a4c21eee2
Status affected
Version 199652309a4d6635fca19d7528d73ab9e219bd9a
Version < 5fc54e04dad90b15d0430118b3f288a1d64e66c9
Status affected
Version 199652309a4d6635fca19d7528d73ab9e219bd9a
Version < 27e396a89f76f742abdbe9f8c4a58a6e806fdf59
Status affected
Version 199652309a4d6635fca19d7528d73ab9e219bd9a
Version < dbf30e661ceb9a52c94c85719716391dcc29142a
Status affected
Version 199652309a4d6635fca19d7528d73ab9e219bd9a
Version < 5e006ac90a4d331db1dd712b91fec849b45ffc01
Status affected
Version 199652309a4d6635fca19d7528d73ab9e219bd9a
Version < c3bbcb32deecc06ebb1762398399b566d5ff2fc9
Status affected
Version 199652309a4d6635fca19d7528d73ab9e219bd9a
Version < 44b16b02608058fc72198ac0205969f0f43065df
Status affected
Version 199652309a4d6635fca19d7528d73ab9e219bd9a
Version < 5b76268dac968612f7283d59b539036de955b7d9
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 4.18
Status affected
Version 0
Version < 4.18
Status unaffected
Version <= 5.10.*
Version 5.10.271
Status unaffected
Version <= 5.15.*
Version 5.15.222
Status unaffected
Version <= 6.1.*
Version 6.1.189
Status unaffected
Version <= 6.6.*
Version 6.6.158
Status unaffected
Version <= 6.12.*
Version 6.12.112
Status unaffected
Version <= 6.18.*
Version 6.18.55
Status unaffected
Version <= 7.2.*
Version 7.2.9
Status unaffected
Version <= *
Version 7.3
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.18% 0.068
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/9d8b21820caed9128945fffcedf03e2a4c21eee2
https://git.kernel.org/stable/c/5fc54e04dad90b15d0430118b3f288a1d64e66c9
https://git.kernel.org/stable/c/27e396a89f76f742abdbe9f8c4a58a6e806fdf59
https://git.kernel.org/stable/c/dbf30e661ceb9a52c94c85719716391dcc29142a
https://git.kernel.org/stable/c/5e006ac90a4d331db1dd712b91fec849b45ffc01
https://git.kernel.org/stable/c/c3bbcb32deecc06ebb1762398399b566d5ff2fc9
https://git.kernel.org/stable/c/44b16b02608058fc72198ac0205969f0f43065df
https://git.kernel.org/stable/c/5b76268dac968612f7283d59b539036de955b7d9