https://db.gcve.eu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 10 Nov 2026 01:34:02 +0000 https://db.gcve.eu/vuln/cve-2026-99168 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>mshv_vtl: Check per-CPU register page before mmap</p> <p>Register-page setup is optional for each CPU. If allocation or registration fails, mshv_vtl_configure_reg_page() warns and leaves that CPU&#39;s reg_page NULL, but initial context setup continues successfully. Meanwhile, successful setup on another CPU sets the global mshv_has_reg_page flag.</p> <p>mshv_vtl_fault() checks this global flag before selecting the requested CPU&#39;s register page. With mixed setup results across online CPUs, the check passes even for a CPU with no register page, reaching get_page(NULL) when userspace faults in that mapping.</p> <p>Check the selected per-CPU register page before taking its reference and return VM_FAULT_SIGBUS if it is absent.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>mshv_vtl: Check per-CPU register page before mmap</p> <p>Register-page setup is optional for each CPU. If allocation or registration fails, mshv_vtl_configure_reg_page() warns and leaves that CPU&#39;s reg_page NULL, but initial context setup continues successfully. Meanwhile, successful setup on another CPU sets the global mshv_has_reg_page flag.</p> <p>mshv_vtl_fault() checks this global flag before selecting the requested CPU&#39;s register page. With mixed setup results across online CPUs, the check passes even for a CPU with no register page, reaching get_page(NULL) when userspace faults in that mapping.</p> <p>Check the selected per-CPU register page before taking its reference and return VM_FAULT_SIGBUS if it is absent.</p> https://db.gcve.eu/vuln/cve-2026-99168