MEDIUMUnknown →
kernel: Linux kernel: ISST NULL pointer dereference leading to system crash
kernel: Linux kernel: ISST NULL pointer dereference leading to system crash
Affected packages
No package-level mapping for this advisory.
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
Structured record: https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-89439.json
Recommended response stack
Snyk — Scan your dependencies in CI and fix this vulnerability.→Socket — Detect malicious and compromised packages before they ship.→
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