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A synchronization flaw in the Linux kernel I2C core caused I2C transfers to be treated as non-atomic when preemption had been disabled. Non-atomic transfers can sleep while waiting for completion, which is invalid in a non-preemptible context. The condition was corrected to select atomic I2C transfer handling whenever execution is not preemptible, restoring behavior equivalent to that before Linux kernel 5.2.
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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.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A flaw in Linux kernel I2C core behavior for atomic transfers in non-preemptible contexts.
A CVE referenced by the OpenShift Container Platform 4.17.19 advisory; the content provides no vulnerability-specific description.
A low-severity Linux kernel I2C-core vulnerability addressed by making atomic I2C transfers run when the kernel is not preemptible.
Query your assets running an affected version, and investigate the blast radius.
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.