AEGLIX investigation
CVE-2026-98399 research
A source-linked research view connecting vulnerability evidence, reviewed campaign mentions, retained reporting and security tool listings.
Evidence summary
In the Linux kernel, the following vulnerability has been resolved: s390/ipl: Fix NULL deref in dump_reipl without re-IPL parm block Unlike kdump, which passes the re-IPL parameter block through os_info, the stand-alone dump passes it through the IPL parm block address and checksum in lowcore. Some IPL types, like HMC FTP boot or QEMU direct kernel boot, might not provide an IPL parameter block. In this case reipl_type_init() selects IPL_TYPE_UNKNOWN and reipl_block_actual remains NULL. Nevertheless, dump_reipl_run() unconditionally dereferences it when preparing the lowcore fields. This may happen to work by chance when address zero contains readable lowcore data. A zero IPL parameter...
Assess exposure and vendor guidance
- No higher-priority signal is available in the current stored evidence.
CVSS: Unscored · EPSS: 0.20% (2026-10-28)
Source retrieved 2026-10-28T10:22:09.982145+00:00. Read the full record and affected versions before making a patch decision.
Campaign content mentioning this CVE
Only published campaigns that passed the existing source-review gate are included. A textual mention does not establish exploitation or campaign membership.
No exact mention was found in the checked published campaign content.
Stored reporting mentioning this CVE
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No exact mention was found in the checked stored news excerpts.
Investigate advisory publishers
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- git.kernel.org
Find referenced tools in Arsenal
Search published listings whose documented CVE-reference field contains CVE-2026-98399. An empty result is valid. A reference does not establish safety, exploit reliability or suitability for your environment.
Search exact CVE references in Arsenal
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Coverage and interpretation
Exact CVE mentions in stored public excerpts and reviewed campaign content only. A mention is not proof of exploitation, attribution or tool suitability. Missing matches do not establish absence.
Checked up to 100 candidate excerpts and 100 candidate campaigns; at most 10 results per section are shown. No external search or scan ran while loading this page.