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A race condition in the Linux kernel's KVM implementation for s390 architecture (specifically in the vsie shadow creation logic) allowed the gmap->private field to be observed as zero in kvm_s390_vsie_gmap_notifier, potentially leading to a crash. This occurred because the gmap->private field was set after the shadow gmap was created, rather than being inherited from the parent, creating a window where the field was uninitialized.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.