CVE-2026-90191

A flaw was found in the Linux kernel's mailbox: riscv-sbi-mpxy component. This vulnerability arises from insufficient validation of the SBI System Binary Interface return value, which dictates the number of bytes copied from shared memory into the RPMI RISC-V Platform Management Interface...

SUSE CVE-2026-90191

In the Linux kernel, the following vulnerability has been resolved: mailbox: riscv-sbi-mpxy: validate RPMI notification lengths The SBI return value controls how many bytes are copied from shared memory into the RPMI notification buffer. It is not validated against the negotiated shared-memory si...

Linux Distros Unpatched Vulnerability : CVE-2026-90191

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mailbox: riscv-sbi-mpxy: validate RPMI notification lengths The SBI return value controls how many bytes are copied from shared memory into the RPMI notificatio...

DEBIAN-CVE-2026-90191

In the Linux kernel, the following vulnerability has been resolved: mailbox: riscv-sbi-mpxy: validate RPMI notification lengths The SBI return value controls how many bytes are copied from shared memory into the RPMI notification buffer. It is not validated against the negotiated shared-memory si...

CVE-2026-90191

In the Linux kernel, the following vulnerability has been resolved: mailbox: riscv-sbi-mpxy: validate RPMI notification lengths The SBI return value controls how many bytes are copied from shared memory into the RPMI notification buffer. It is not validated against the negotiated shared-memory si...

EUVD-2026-81784

In the Linux kernel, the following vulnerability has been resolved: mailbox: riscv-sbi-mpxy: validate RPMI notification lengths The SBI return value controls how many bytes are copied from shared memory into the RPMI notification buffer. It is not validated against the negotiated shared-memory si...

CVE-2026-90191

CVE-2026-90191 affects the Linux kernel mailbox driver for RISC-V SBI Mpxy (RPMI notification handling). The SBI return value, which determines how many bytes are copied from shared memory into the RPMI notification buffer, is not validated against the negotiated shared-memory size before the cop...

CVE-2026-90191 mailbox: riscv-sbi-mpxy: validate RPMI notification lengths

In the Linux kernel, the following vulnerability has been resolved: mailbox: riscv-sbi-mpxy: validate RPMI notification lengths The SBI return value controls how many bytes are copied from shared memory into the RPMI notification buffer. It is not validated against the negotiated shared-memory si...

CVE-2026-90191: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mailbox: riscv-sbi-mpxy: validate RPMI notification lengths The SBI return value controls how many bytes are copied from shared memory into the RPMI notification buffer. It is not validated against the negotiated shared-memory si...

PT-2026-94539

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the riscv-sbi-mpxy mailbox component where the SBI return value, which determines the number of bytes copied from shared memory into the RPMI notification buffer, is n...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: riscv: cpuopssbi: Use static array for bootdata Since commit 6b9f29b81b15 "riscv: Enable pcpu page first chunk allocator", if NUMA is enabled, the page percpu allocator may be used on very sparse configurations, or when requested...

CVE-2023-52839 drivers: perf: Do not broadcast to other cpus when starting a counter

In the Linux kernel, the following vulnerability has been resolved: drivers: perf: Do not broadcast to other cpus when starting a counter This command: $ perf record -e cycles:k -e instructions:k -c 10000 -m 64M dd if=/dev/zero of=/dev/null count=1000 gives rise to this kernel warning: 444.364395...