CVE-2026-89439

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[].

EPSS

0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-25)

Published

2026-09-11

Modified

2026-10-21

Record from

the NVD, synced 2026-10-22

References

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

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