Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: EFI/CPER: Do not exceed the ARM processor CPER record buffer. There is a logic within GHES/CPER that detects whether the sectionlength is too small, but it does not detect whether it is too large. Currently, if the firmware...

CVE-2026-43266

The CVE-2026-43266 issue affects the Linux kernel’s ARM CPER/APEI handling: a CPER record with an oversized section_length can cause the kernel to read beyond the intended firmware buffer, leading to a large data dump and potential memory access issues. The fix adds a guard so the kernel stops at...