CVE-2026-98651
Published Oct 18, 2026
Modified Oct 19, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Properly handle NULL pointer in dat_cond_set_storage_key() Some callers pass NULL as oldkey. Calling page_cond_set_storage_key() will cause that NULL pointer to get dereferenced. Fix by checking for NULL and assigning the pointer to a dummy local variable to avoid crashes.
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EPSS — Exploit Prediction
0.0016
Probability of exploitation
0.05%
Percentile rank
EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.
References
Frequently Asked Questions
What is CVE-2026-98651? +
In the Linux kernel, the following vulnerability has been resolved:
KVM: s390: Properly handle NULL pointer in dat_cond_set_storage_key()
Some callers pass NULL as oldkey. Calling page_cond_set_storage_key()
will cause that NULL pointer to get dereferenced.
Fix by checking for NULL and assigning the pointer to a dummy local
variable to avoid crashes.
How do I check if I'm vulnerable to CVE-2026-98651? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.
