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CVE-2026-98593

s390/debug: Fix NULL pointer dereference in debug_info_copy()

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

s390/debug: Fix NULL pointer dereference in debug_info_copy()

When debug_register_static() fails, it clears areas, active_pages and
active_entries but leaves the area bounds unchanged. Copying such an
area, either by opening its view file or via debug_dump(), makes
debug_info_copy() dereference the NULL pointers.

Skip the copy loop when the source has no areas.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version d72541f945127b4873dace501406a1bc8cd8e1e9
Version < 13decd3b3b3a4d8a2e603fb8c9ffde0c6be3c225
Status affected
Version d72541f945127b4873dace501406a1bc8cd8e1e9
Version < a19bede30f0da5ae56782edac62b5998a7434cba
Status affected
Version d72541f945127b4873dace501406a1bc8cd8e1e9
Version < 33f706884821da9cb55b650b7b1d4f2bdf800137
Status affected
Version d72541f945127b4873dace501406a1bc8cd8e1e9
Version < 2de9c458cc49d8db6408a7c5fbf0c7c94fe4d52b
Status affected
Version d72541f945127b4873dace501406a1bc8cd8e1e9
Version < 9c6af88fbefbe77608b77409df23a1617e28398c
Status affected
Version d72541f945127b4873dace501406a1bc8cd8e1e9
Version < c593f38e1cdb92f87d01be4c4e5ac12417b1454b
Status affected
Version d72541f945127b4873dace501406a1bc8cd8e1e9
Version < 012bfcd5a51082d5a65f096dfb9ca652b5267965
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 5.15
Status affected
Version 0
Version < 5.15
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 0.17% 0.062
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/13decd3b3b3a4d8a2e603fb8c9ffde0c6be3c225
https://git.kernel.org/stable/c/a19bede30f0da5ae56782edac62b5998a7434cba
https://git.kernel.org/stable/c/33f706884821da9cb55b650b7b1d4f2bdf800137
https://git.kernel.org/stable/c/2de9c458cc49d8db6408a7c5fbf0c7c94fe4d52b
https://git.kernel.org/stable/c/9c6af88fbefbe77608b77409df23a1617e28398c
https://git.kernel.org/stable/c/c593f38e1cdb92f87d01be4c4e5ac12417b1454b
https://git.kernel.org/stable/c/012bfcd5a51082d5a65f096dfb9ca652b5267965