CVE-2026-98546

A flaw was found in the Linux kernel's ARM64 architecture support. When user-space access to performance monitoring counters is enabled, write traps for a write-only performance register are improperly configured during hypervisor initialization. A local user can exploit this vulnerability by...

vm2: Incomplete nodejs.* symbol filtering lets sandbox override host WebStream state checks

Summary vm2 current head v3.11.5, commit 7a1f5100b96f48d34e0fe104ab37c0acc5944f92 still exposes registered Node.js internal symbols from host WebStream prototypes to sandbox code. The prior nodejs. symbol hardening blocks Symbol.for'nodejs.' at the source, but the extraction filters and bridge...

vm2 has a sandbox escape via unblocked cross-realm Symbol.for keys + missing bridge write-trap symbol checks

Summary vm2 3.11.2 Symbol.for override in setup-sandbox.js only intercepts 2 of 9 dangerous Node.js cross-realm symbols. Combined with the bridge's set/defineProperty/deleteProperty traps having no isDangerousCrossRealmSymbol key check, sandbox code can obtain real cross-realm symbols, write them...

GHSA-M5Q2-4FM3-VFQP vm2 has a sandbox escape via unblocked cross-realm Symbol.for keys + missing bridge write-trap symbol checks

Summary vm2 3.11.2 Symbol.for override in setup-sandbox.js only intercepts 2 of 9 dangerous Node.js cross-realm symbols. Combined with the bridge's set/defineProperty/deleteProperty traps having no isDangerousCrossRealmSymbol key check, sandbox code can obtain real cross-realm symbols, write them...