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CVE-2026-89439

platform/x86: ISST: Add a NULL check for sst_inst[]

N/A
Published: September 11, 2026 at 07:43 PM UTC
Updated: October 21, 2026 at 01:20 PM 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: platform/x86: ISST: Add a NULL check for sst_inst[] To be consistent with other places, add a NULL check for failed socket loading by checking isst_common.sst_inst[].

Affected

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

Linux Kernel· Linux
90%
6.4d805456c712f93ba8a012430f2a93bec133b6ff4
Vendor states this is fixed in 3de2776e9d7073765c10c2326c2bda5926811ea6 (fixed)
Vendor states this is fixed in 49a95fe1f64f41c2e8959e525aefdb10f23b293e (fixed)
Vendor states this is fixed in c280fcd53b938b70c7dee9ce1a66b32bd6e5ebaa (fixed)
Vendor states this is fixed in ef7975af15126dd70ace519da7bb33f2848b9064 (fixed)
Vendor states this is fixed in 6.12.109 (unaffected)
Vendor states this is fixed in 6.18.50 (unaffected)
Vendor states this is fixed in 6.4 (unaffected)
Vendor states this is fixed in 6.6.160 (unaffected)
Vendor states this is fixed in 7.2.4 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)
Vendor states this is fixed in 7.3-rc1 (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 (5)

Source: cverecord
https://git.kernel.org/stable/c/49a95fe1f64f41c2e8959e525aefdb10f23b293e
Source: cverecord
https://git.kernel.org/stable/c/c280fcd53b938b70c7dee9ce1a66b32bd6e5ebaa
Source: cverecord
https://git.kernel.org/stable/c/ef7975af15126dd70ace519da7bb33f2848b9064
Source: cverecord
https://git.kernel.org/stable/c/3de2776e9d7073765c10c2326c2bda5926811ea6
Source: cverecord
https://git.kernel.org/stable/c/f7c9370dd1d3cedb80c635528271cab1d0bcb103

Quick Info

StatusRECEIVED

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