CVE-2026-89439

Unknown

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[].

SeverityUnknown
CVSS—
Exploit probability—
ProductLinux
PublishedSep 11, 2026
First seenSep 11, 2026

How to fix

Update
  • Linux Linuxf7c9370dd1d3cedb80c635528271cab1d0bcb103, 49a95fe1f64f41c2e8959e525aefdb10f23b293e, c280fcd53b938b70c7dee9ce1a66b32bd6e5ebaa, ef7975af15126dd70ace519da7bb33f2848b9064, 3de2776e9d7073765c10c2326c2bda5926811ea6 or later

Affected products

ProductAffected versionsFixed in
Linux Linuxd805456c712f93ba8a012430f2a93bec133b6ff4 ≤ v < f7c9370dd1d3cedb80c635528271cab1d0bcb103, d805456c712f93ba8a012430f2a93bec133b6ff4 ≤ v < 49a95fe1f64f41c2e8959e525aefdb10f23b293e, d805456c712f93ba8a012430f2a93bec133b6ff4 ≤ v < c280fcd53b938b70c7dee9ce1a66b32bd6e5ebaa, d805456c712f93ba8a012430f2a93bec133b6ff4 ≤ v < ef7975af15126dd70ace519da7bb33f2848b9064, d805456c712f93ba8a012430f2a93bec133b6ff4 ≤ v < 3de2776e9d7073765c10c2326c2bda5926811ea6, 6.4f7c9370dd1d3cedb80c635528271cab1d0bcb103, 49a95fe1f64f41c2e8959e525aefdb10f23b293e, c280fcd53b938b70c7dee9ce1a66b32bd6e5ebaa, ef7975af15126dd70ace519da7bb33f2848b9064, 3de2776e9d7073765c10c2326c2bda5926811ea6

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CVE-2026-89439 · Linux · Dark Radar