CVE-2026-46253

In the Linux kernel, the following vulnerability has been resolved: pstore/ram: fix buffer overflow in persistentramsaveold persistentramsaveold can be called multiple times for the same persistentramzone e.g., via ramoopspstoreread - ramoopsgetnextprz for PSTORETYPEDMESG records. Currently, the...

CVE-2026-46253

In the Linux kernel, the following vulnerability has been resolved: pstore/ram: fix buffer overflow in persistentramsaveold persistentramsaveold can be called multiple times for the same persistentramzone e.g., via ramoopspstoreread - ramoopsgetnextprz for PSTORETYPEDMESG records. Currently, the...

CVE-2026-46253

In Linux kernel pstore/ram, CVE-2026-46253, the vulnerability is a heap buffer overflow during persistent_ram_save_old(). If the buffer size has grown since the first allocation, the code updates old_log_size to the new size and then copies with memcpy_fromio(), risking an out-of-bounds write (an...

PT-2025-53967

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.15.67-10882-ge4eb2eb988cd 1 baa443fb8e8477896a370b31a821eb2009f9bfba Description An issue exists in the Linux kernel's pstore component. Specifically, running 'cat /proc/kcore /dev/null' on devices utilizing...