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CVE-2026-72143

platform/x86: ISST: Restore SST-PP control to all domains

HIGH
7.1
CVSS Score
Published: August 15, 2026 at 05:53 AM UTC
Updated: October 16, 2026 at 07:17 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: platform/x86: ISST: Restore SST-PP control to all domains The SST-PP control offset is only restored to power domain 0 after resume. During suspend, control values are read and stored for all power domains. Use pd_info->sst_base instead of power_domain_info->sst_base, which only points to power domain 0 base address.

Affected

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

Linux Kernel· Linux
90%
2624f3bf45a830cb3b8c8b967b23a721397005626.18.166.19.67.0dc7901b5a1563a9c9eb29b3b0b0dac3162065cd8e3704ce5d7156ee837461be99841f312c64700b0
Vendor states this is fixed in 2565a28cdcdcb035e151d285efcba26bccb3726e (fixed)
Vendor states this is fixed in 2a42f651cce91e9cbe65fe933622c522cbb1868b (fixed)
Vendor states this is fixed in cea03d67db3a880893360bdbb1b0b8d9b33b1799 (fixed)
Vendor states this is fixed in 6.18.40 (unaffected)
Affected range stops below 6.20, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 7.0 (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.

References (3)

Source: cverecord
https://git.kernel.org/stable/c/cea03d67db3a880893360bdbb1b0b8d9b33b1799
Source: cverecord
https://git.kernel.org/stable/c/2a42f651cce91e9cbe65fe933622c522cbb1868b
Source: cverecord
https://git.kernel.org/stable/c/2565a28cdcdcb035e151d285efcba26bccb3726e

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHLinux
Vector?

Quick Info

StatusRECEIVED

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