Bug 2516239 (CVE-2026-72011) - CVE-2026-72011 kernel: s390/diag: Add missing array_index_nospec() call to memtop_get_page_count()
Summary: CVE-2026-72011 kernel: s390/diag: Add missing array_index_nospec() call to me...
Keywords:
Status: NEW
Alias: CVE-2026-72011
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-15 06:02 UTC by OSIDB Bzimport
Modified: 2026-08-17 11:28 UTC (History)
2 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-08-15 06:02:06 UTC 
In the Linux kernel, the following vulnerability has been resolved:

s390/diag: Add missing array_index_nospec() call to memtop_get_page_count()

'level' is user space controlled and used to read from an array. Add the
missing array_index_nospec() call to prevent speculative execution.
Comment 1 gkamathe 2026-08-17 11:22:41 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026081508-CVE-2026-72011-9cd3@gregkh/T
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