CVE-2026-72011

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

N/A
Published: August 15, 2026 at 05:51 AM UTC
Updated: August 17, 2026 at 06:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.14 ≤ v < 6.18.406.14 ≤ v < 7.1.56.14 ≤ v < 7.20d30871739ab433e114b0058f08b6b1c7b816f7e6.14
Vendor states this is fixed in 83fe36f81200b7a85f8efe0a68a4e58be84d5f64 (fixed)
Vendor states this is fixed in b7577fe4c47a31ca7c99714c53244a44af03cdfe (fixed)
Vendor states this is fixed in c6b4d454865a81ceea1422243aaaedc363b6f713 (fixed)
Vendor states this is fixed in 6.14 (unaffected)
Vendor states this is fixed in 6.18.40 (unaffected)
Vendor states this is fixed in 7.1.5 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

Quick Info

StatusRECEIVED

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