Bug 2532216 (CVE-2026-89439) - CVE-2026-89439 kernel: platform/x86: ISST: Add a NULL check for sst_inst[]
Summary: CVE-2026-89439 kernel: platform/x86: ISST: Add a NULL check for sst_inst[]
Keywords:
Status: NEW
Alias: CVE-2026-89439
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-11 21:26 UTC by OSIDB Bzimport
Modified: 2026-09-14 21:31 UTC (History)
17 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description OSIDB Bzimport 2026-09-11 21:26:55 UTC 
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[].
Comment 1 Keith Grant 2026-09-14 21:29:10 UTC 
Upstream advisory:
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-89439.mbox
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