Browse / CVEs / CVE-2026-46300
CVE-2026-46300· linux / kernel· CWE-456
Linux Kernel Missing Initialization of a Variable Vulnerability
Exploited in the wild. Listed by CISA on 2026-10-28; known to be used by ransomware.
16.1%likelihood of exploitation, next 30 days
97%of all CVEs are less likely
Nonecheck to confirm it
Linux Kernel contains a missing initialization of a variable vulnerability that could allow for unintended modification of page-cache-backed data via failure to preserve the shared-fragment marker during socket buffer coalescing, causing ESP input processing to decrypt shared fragments in place. This vulnerability can be chained with CVE-2026-109618 and CVE-2026-109619 to implant PHP webshells and run commands as root.
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References
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