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Not yet scoredPublished Sep 11, 2026

CVE-2026-89439platform/x86: ISST: Add a NULL check for sst_inst[]

Updated under an hour ago ()

Does this affect you?

It affects Linux. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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[].

CVSS
Not yet scored
Weakness (CWE)
Not given
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Linux
NVD analysis
Received
Record last updated
Sep 11, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Linux Linux
linux:linux (from the name)
from d805456c712f93ba8a012430f2a93bec133b6ff4 before 49a95fe1f64f41c2e8959e525aefdb10f23b293e; from d805456c712f93ba8a012430f2a93bec133b6ff4 before c280fcd53b938b70c7dee9ce1a66b32bd6e5ebaa; from d805456c712f93ba8a012430f2a93bec133b6ff4 before ef7975af15126dd70ace519da7bb33f2848b9064; from d805456c712f93ba8a012430f2a93bec133b6ff4 before 3de2776e9d7073765c10c2326c2bda5926811ea6
CNA record

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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