CVE-2026-98593None▾ SunlitIn 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 …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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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.
Linux >= d72541f945127b4873dace501406a1bc8cd8e1e9 < 13decd3b3b3a4d8a2e603fb8c9ffde0c6be3c225Linux >= d72541f945127b4873dace501406a1bc8cd8e1e9 < a19bede30f0da5ae56782edac62b5998a7434cbaLinux >= d72541f945127b4873dace501406a1bc8cd8e1e9 < 33f706884821da9cb55b650b7b1d4f2bdf800137Linux >= d72541f945127b4873dace501406a1bc8cd8e1e9 < 2de9c458cc49d8db6408a7c5fbf0c7c94fe4d52bLinux >= d72541f945127b4873dace501406a1bc8cd8e1e9 < 9c6af88fbefbe77608b77409df23a1617e28398cLinux >= d72541f945127b4873dace501406a1bc8cd8e1e9 < c593f38e1cdb92f87d01be4c4e5ac12417b1454bLinux >= d72541f945127b4873dace501406a1bc8cd8e1e9 < 012bfcd5a51082d5a65f096dfb9ca652b5267965Linux 5.15Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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