Astra Linux – vulnerability in linux-6.1, linux-6.12

In the Linux kernel, the following vulnerability has been resolved: xtensa: simdisk: add input size check in procwritesimdisk A malicious user could pass an arbitrarily bad value to memdupusernul, potentially causing a kernel crash. This follows the same pattern as commit ee76746387f6 "netdevsim:...

EUVD-2025-150381

In the Linux kernel, the following vulnerability has been resolved: xtensa: simdisk: add input size check in procwritesimdisk A malicious user could pass an arbitrarily bad value to memdupusernul, potentially causing kernel crash. This follows the same pattern as commit ee76746387f6 "netdevsim:...

UBUNTU-CVE-2025-40193

In the Linux kernel, the following vulnerability has been resolved: xtensa: simdisk: add input size check in procwritesimdisk A malicious user could pass an arbitrarily bad value to memdupusernul, potentially causing kernel crash. This follows the same pattern as commit ee76746387f6 "netdevsim:...

CVE-2025-40193 xtensa: simdisk: add input size check in proc_write_simdisk

In the Linux kernel, the following vulnerability has been resolved: xtensa: simdisk: add input size check in procwritesimdisk A malicious user could pass an arbitrarily bad value to memdupusernul, potentially causing kernel crash. This follows the same pattern as commit ee76746387f6 "netdevsim:...

CVE-2025-40193

In the Linux kernel, the following vulnerability has been resolved: xtensa: simdisk: add input size check in procwritesimdisk A malicious user could pass an arbitrarily bad value to memdupusernul, potentially causing kernel crash. This follows the same pattern as commit ee76746387f6 "netdevsim:...

CVE-2025-40193

In CVE-2025-40193, the Linux kernel’s xtensa simdisk component (proc_write_simdisk) lacks an input size check, allowing a malicious user to pass an invalid value to memdup_user_nul() and potentially crash the kernel. The issue is tied to changes referenced as a pattern to the nsim_dev_health_brea...