CVE-2026-98024
In the Linux kernel, the following vulnerability has been resolved: s390/ism: folio_put() after error dmb->cpu_addr was allocated via folio_alloc(). Use folio_put() instead of kfree() in the error exit of ism_alloc_dmb() to avoid slab allocator corruption. While at it, reset dmb->cpu_addr after folio_put to avoid unintentional UAF by future callers.
Affected versions
Linux kernel versions
6.6.29,
6.8.8,
6.9
and later are affected. Fixed in
6.6.158,
6.12.111,
6.18.53,
7.2.7,
7.3-rc3
and their respective stable series.
References
5 totalFrequently asked questions
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What is CVE-2026-98024?
CVE-2026-98024 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.6.29 onward and has been patched in 6.6.158, 6.12.111, 6.18.53 and others. CVE-2026-98024 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2026-98024?
Yes. CVE-2026-98024 has been patched. Fixed versions include 6.6.158, 6.12.111, 6.18.53 and others. If you are running Linux kernel 6.6.29 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-98024 actively exploited?
No. CVE-2026-98024 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.