CVE-2026-89439

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

State: Published
Severity: Not scored
Published: Sep 11, 2026
Updated: Oct 21, 2026
Reserved: Sep 11, 2026

Read the record on cve.org

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[].

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	d805456c712f93ba8a012430f2a93bec133b6ff4 to before f7c9370dd1d3cedb80c635528271cab1d0bcb103Affected d805456c712f93ba8a012430f2a93bec133b6ff4 to before 49a95fe1f64f41c2e8959e525aefdb10f23b293eAffected d805456c712f93ba8a012430f2a93bec133b6ff4 to before c280fcd53b938b70c7dee9ce1a66b32bd6e5ebaaAffected d805456c712f93ba8a012430f2a93bec133b6ff4 to before ef7975af15126dd70ace519da7bb33f2848b9064Affected d805456c712f93ba8a012430f2a93bec133b6ff4 to before 3de2776e9d7073765c10c2326c2bda5926811ea6Affected
LinuxLinux	6.4Affected before 6.4Not affected 6.6.160 through 6.6.Not affected 6.12.109 through 6.12.Not affected 6.18.50 through 6.18.Not affected 7.2.4 through 7.2.Not affected 7.3 and laterNot affected

Product

Versions

LinuxLinux

d805456c712f93ba8a012430f2a93bec133b6ff4 to before f7c9370dd1d3cedb80c635528271cab1d0bcb103Affected
d805456c712f93ba8a012430f2a93bec133b6ff4 to before 49a95fe1f64f41c2e8959e525aefdb10f23b293eAffected
d805456c712f93ba8a012430f2a93bec133b6ff4 to before c280fcd53b938b70c7dee9ce1a66b32bd6e5ebaaAffected
d805456c712f93ba8a012430f2a93bec133b6ff4 to before ef7975af15126dd70ace519da7bb33f2848b9064Affected
d805456c712f93ba8a012430f2a93bec133b6ff4 to before 3de2776e9d7073765c10c2326c2bda5926811ea6Affected

LinuxLinux

6.4Affected
before 6.4Not affected
6.6.160 through 6.6.*Not affected
6.12.109 through 6.12.*Not affected
6.18.50 through 6.18.*Not affected
7.2.4 through 7.2.*Not affected
7.3 and laterNot affected

References

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